Chess Problem Database Server

103 problem(s) found in 4501 milliseconds (displaying 100 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND NOT S='Schach' AND K='Zuglängenrekord'] [download as LaTeX]

1 - P0000112
Dmitri W. Pronkin
Andrey Frolkin
6386v Die Schwalbe 113 10/1988

(14+14) cooked
BP in 45.0

1. f4 g5 2. f5 g4 3. f6 g3 4. fxe7 gxh2 5. g4 d5 6. g5 d4 7. g6 d3 8. g7 dxc2 9. d4 f5 10. Lf4 c1=T 11. Lg3 Tc6 12. Dd3 Tg6 13. Da6 Sf6 14. g8=L c5 15. Lb3 c4 16. d5 Kf7 17. e8=T c3 18. Te4 c2 19. Ta4 c1=L 20. e4 Lf4 21. Sd2 h5 22. 0-0-0 h4 23. Te1 h3 24. Ld1 Th4 25. d6 L8h6 26. d7 Dh8 27. d8=T Le6 28. Tc8 S8d7 29. Tc2 Kg8 30. e5 Lf7 31. e6 Tf8 32. e7 Lb8 33. e8=S f4 34. Te7 f3 35. Se2 f2 36. Tg1 h1=S 37. b4 h2 38. Lh3 f1=S 39. b5 Sf2 40. b6 h1=L 41. bxa7 b6 42. a8=L Lb7 43. Th1 Lc8 44. Lag2 Se3 45. Lf1 S6e4
play all

Cook: 1. b4 c5 2. b5 c4 3. b6 c3 4. bxa7 d5 5. e4 d4 6. f4 d3 7. f5 dxc2 8. d4 g5 9. Lf4 c1=L 10. d5 g4 11. f6 g3 12. fxe7 gxh2 13. g4 c2 14. Lg3 Lf4 15. g5 c1=T 16. g6 Tc6 17. Dd3 f5 18. Sd2 h5 19. g7 Tg6 20. 0-0-0 Sf6 21. Te1 h4 22. d6 h3 23. g8=L Th4 24. Lb3 L8h6 25. Ld1 Kf7 26. d7 Dh8 27. d8=T Le6 28. Td4 Sbd7 29. e5 Tf8 30. e8=T Kg8 31. Tc8 Lf7 32. e6 b6 33. e7 Lb8 34. e8=S f4 35. Te7 f3 36. Se2 f2 37. Tg1 h1=S 38. Da6 h2 39. Lh3 f1=S 40. Ta4 Sf2 41. Tc2 h1=L

Michel Caillaud: cooked by Stelvio 0.93 :
1.b4 c5 2.b5 c4 3.b6 c3 4.bxa7 d5 5.e4 d4 6.f4 d3 7.f5 dxc2 8.d4 g5 9.Lf4 c1=L 10.d5 g4 11.f6 g3 12.fxe7 gxh2 13.g4 c2 14.Lg3 Lf4 15.g5 c1=T 16.g6 Tc6 17.Dd3 f5 18.Sd2 h5 19.g7 Tg6 20.0-0-0 Sf6 21.Te1 h4 22.d6 h3 23.g8=L Th4 24.Lb3 L8h6 25.Ld1 Kf7 26.d7 Dh8 27.d8=T Le6 28.Td4 Sbd7 29.e5 Tf8 30.e8=T Kg8 31.Tc8 Lf7 32.e6 b6 33.e7 Lb8 34.e8=S f4 35.Te7 f3 36.Se2 f2 37.Tg1 h1=S 38.Da6 h2 39.Lh3 f1=S 40.Ta4 Sf2 41.Tc2 h1=L... (2022-12-20)
more ...
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Keywords: Unique Proof Game, Move Length Record, Non-standard material, Castling, Promotion (tLTlTSsslL)
Genre: Retro
FEN: 1bb1Nrkq/3nRb2/Qp4rb/8/R3n2r/4n1BB/P1RNNn2/2KB1B1R
Reprints: 583 Ukrainisches Album 1986-1990
80 Shortest Proof Games 11/1991
Input: Gerd Wilts, 1995-06-03
Last update: Silvio Baier, 2023-03-02 more...

2 - P0000404
Michel Caillaud
Die Schwalbe 80 04/1983

(11+15) C+
BP in 45,0

1. Sf3 a5 2. Sd4 a4 3. Sb3 axb3 4. a3 Ta4 5. Ta2 bxa2 6. Tg1 axb1=S 7. Th1 Sc3 8. Tg1 Sd5 9. Th1 Sb6 10. Tg1 Sa8 11. Th1 b6 12. Tg1 La6 13. Th1 Dc8 14. Tg1 Db7 15. Th1 Df3 16. gxf3 h5 17. Lh3 h4 18. Le6 h3 19. La2 Lc4 20. Lb1 La2 21. b3 Thh4 22. Lb2 Thb4 23. Lf6 gxf6 24. Kf1 Lh6 25. Kg1 Kf8 26. Df1 Kg7 27. Dg2+ hxg2 28. h4 Kg6 29. Kh2 g1=S 30. Kg2 Lf4 31. h5+ Kg5 32. Th4 Lh2 33. Td4 Sh3 34. f4+ Kh4 35. Kf3 Sg5+ 36. Ke3 Kh3 37. h6 Kg2 38. h7 Kf1 39. h8=T Sh7 40. Kf3 Ke1 41. Kg2 Kd1 42. Kf1 Kc1 43. Ke1 Kb2 44. Kd1 Ka1 45. Kc1 Lg1
play all

Reto: This is now the new record for the longest computer tested SPG. Strategy seeking takes up all the time, playing the 800 strategies on the other hand is done within a few seconds. (2023-08-11)
Reto: With the upcoming v1.6, this is solved by Stelvio in around 20min. The improvement is due to the fact that the cage in the south-west is now detected (either the wRa1 is captured inside the cage or the wBc1 is captured at home) (2023-09-02)
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Keywords: Unique Proof Game, Move Length Record, Non-standard material (ss), Promotion (ssT)
Genre: Retro
Computer test: Stelvio 1.5 in about 2.5 days.
FEN: nn4nR/2pppp1n/1p3p2/8/rr1R1P2/PP6/b1PPPP2/kBK3b1
Input: Gerd Wilts, 1995-06-03
Last update: A.Buchanan, 2023-08-12 more...

3 - P0002274
Thomas R. Dawson
Reading Observer 1913

(9+16) C+
PG in 15.0
#2

1. e4 h5 2. Lb5 h4 3. Lc6 bxc6 4. Dh5 Lb7 5. Dd5 cxd5 6. Sf3 dxe4 7. 0-0 exf3 8. Te1 fxg2 9. Te6 dxe6 10. b4 Kd7 11. Lb2 Kc6 12. Lf6 Kb5 13. c4+ Ka4 14. Sc3+ Ka3 15. Te1 gxf6 and then 16. Tb1! ... 17. Tb3#
play all

TRD: "The point here is that every move of the game is strictly forced in order and kind, the longest such game existant at present. I expect this task to go much further."

Original stipulation was: "White here mated in two and noticed on examining his score that the mate was administered on his 17th move. What was the game?"
A.Buchanan: This is the earliest unique PG recorded in PDB, but Dawson implies earlier, shorter ones exist. Can any of these be traced? (2021-01-22)
comment

Keywords: Unique Proof Game, Move Length Record, Volet Pawn
Genre: Retro
Computer test: Euclide 0.99
FEN: rn1q1bnr/pbp1pp2/4pp2/8/1PP4p/k1N5/P2P1PpP/4R1K1
Reprints: (7) The Chess Amateur 08/1914
136 Ultimate Themes 1938
76 Shortest Proof Games 11/1991
Input: Gerd Wilts, 1995-06-03
Last update: James Malcom, 2021-01-22 more...

4 - P0002277
Karlheinz Bachmann
v Die Schwalbe 104, p. 217, 04/1987
1. ehrende Erwähnung

(11+15) C+
BP in 48,0

1. Sf3 a5 2. Sd4 a4 3. Sb3 axb3 4. a3 Ta4 5. Ta2 bxa2 6. Tg1 axb1=S 7. Th1 Sc3 8. Tg1 Sd5 9. Th1 Sb6 10. Tg1 Sa8 11. Th1 b6 12. Tg1 La6 13. Th1 Dc8 14. Tg1 Db7 15. Th1 Df3 16. gxf3 h5 17. Lh3 h4 18. Le6 h3 19. La2 Lc4 20. Lb1 La2 21. b3 Sa6 22. Lb2 Sc5 23. Lf6 gxf6 24. Kf1 Lh6 25. Kg1 Kf8 26. Df1 Kg7 27. Dg2+ hxg2 28. h4 Kg6 29. Kh2 g1=S 30. Kg2 Lf4 31. h5+ Kg5 32. h6 Lg3 33. h7 Sh6 34. Th4 Tb8 35. Tb4 Tb7 36. f4+ Kh4 37. h8=T Sf3 38. Tg8 Se5 39. Tg5 Sg6 40. Kf3 Kh3 41. Ke3 Kg2 42. Te5 Kf1 43. Kf3 Ke1 44. Kg2 Kd1 45. Kf1 Kc1 46. Ke1 Kb2 47. Kd1 Ka1 48. Kc1 Sh8
play all

paul: Correction of P0000067. (2018-03-03)
Reto: The new length record for a fully tested SPG. (2023-09-18)
Olaf Jenkner: How long does it take with one core and how many cores did you use? (2023-09-18)
Reto: I used 15 seekers and 15 players, but not all of them are active all the time. My guess is that it takes about 7-10h single-threaded. (2023-09-19)
comment

Keywords: Unique Proof Game, Move Length Record, Non-standard material, Promotion (Tss)
Genre: Retro
Computer test: Stelvio 1.66 in 23min (heavily parallelized)
FEN: n6n/1rpppp2/1p3p1n/2n1R3/rR3P2/PP4b1/b1PPPP2/kBK5
Reprints: 82 Shortest Proof Games 11/1991
Input: Gerd Wilts, 1995-06-03
Last update: Reto, 2023-09-18 more...

5 - P0002337
Michel Caillaud
4019 Die Schwalbe 76 08/1982
Dr. Karl Fabel zum Gedenken
1. Preis

(11+15) C+
BP in 47,0

1. Sf3 a5 2. Sd4 a4 3. Sb3 axb3 4. a3 Ta4 5. Ta2 bxa2 6. Tg1 axb1=S 7. Th1 Sc3 8. Tg1 Sd5 9. Th1 Sb6 10. Tg1 Sa8 11. Th1 b6 12. Tg1 La6 13. Th1 Dc8 14. Tg1 Db7 15. Th1 Df3 16. gxf3 h5 17. Lh3 h4 18. Le6 h3 19. La2 Lc4 20. Lb1 La2 21. b3 Thh4 22. Lb2 Thb4 23. Lf6 gxf6 24. Kf1 Lh6 25. Kg1 Kf8 26. Df1 Kg7 27. Dg2+ hxg2 28. h4 Kg6 29. Kh2 g1=S 30. Kg2 Lf4 31. h5+ Kg5 32. Th4 Lh2 33. Td4 Sh3 34. f4+ Kh4 35. Kf3 Sg5+ 36. Ke3 Kh3 37. h6 Kg2 38. h7 Kf1 39. h8=T Ke1 40. Th5 Sh7 41. Ta5 Kd1 42. Ta7 Kc1 43. Tb7 Ta7 44. Kd3 Sa6 45. Tb8 Kb2 46. Tf8 Ka1 47. Kc3 Lg1
play all

Henrik Juel: So Michel's proof game is not cooked; yet... (2019-09-10)
Reto: This is now the length record for a fully tested SPG. (2023-09-17)
Moldenhauer: Keine Lösung: BP 46.5. (2024-01-05)
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Keywords: Unique Proof Game, Move Length Record, Non-standard material (ss), Promotion (ssT)
Genre: Retro
Computer test: Stelvio 1.64 in around 20min (highly parallelized).
FEN: n4Rn1/r1pppp1n/np3p2/8/1r1R1P2/PPK5/b1PPPP2/kB4b1
Reprints: diagrammes 69 01-02/1985
989 FIDE Album 1980-1982 1988
81 Shortest Proof Games 11/1991
Input: Gerd Wilts, 1995-06-03
Last update: A.Buchanan, 2023-09-17 more...

6 - P0006623
Thierry Le Gleuher
1853v Phénix 50 03/1997
3. ehrende Erwähnung

(16+16) cooked
BP in 40.5

1. a4 h5 2. Ta3 Th6 3. Tc3 Tb6 4. Tc4 Tb3 5. Sc3 Ta3 6. b3 Ta1 7. La3 d5 8. Db1 Lf5 9. Kd1 Lh7 10. Kc1 g6 11. Kb2 Lh6 12. Da2 Tc1 13. Sb1 Le3 14. Kc3 Lb6 15. Kd3 c5 16. Ke3 Sc6 17. Kf4 Dc7+ 18. Kg5 0-0-0 19. h4 Td6 20. Th3 Tf6 21. Te3 Tf3 22. Te6 Sf6 23. Kh6 Th3 24. Kg7 Th1 25. Kf8 Dh2 26. g3 Se5 27. Tc6+ Kd7 28. Tc8 Ke6 29. Lg2 Kf5 30. Le4+ Kg4 31. Sf3 Kh3 32. Lf5+ Kg2 33. Tg4 Lg8 34. Sd4 Sh7+ 35. Ke8 Sf3 36. Kd7 Kf1 37. Te8 Ke1 38. Kc8 Kd1 39. Kb8 Te1 40. Lc8 Sg1 41. f3
play all

Yoav Ben-Zvi: The cook found in P0002554 re-opens the question of the current length record for unique capture-free SPG. A search in PDB finds this problem, assuming it is sound, to be the record holder, until Unto Heinonen publishes a correction (expected very soon). Prior to publication of this problem the record was 38.5, in Michel Caillaud's P0002187. (2019-07-10)
Michel Caillaud: cooked (testing last moves with Jacobi 0.7.5 and constraints) :
16...Sd7 17.h4 Tc8 18.Th3 Tc6 19.Kf4 Te6 20.Tf3 Te3 21.Kg5 Db8 22.Tf6 Th3 23.Tc6 Sgf6 24.Kh6 Th1 25.Kg7 Dh2 26.g3 Se5 27.Lg2 Kd7 28.Tc8 Ke6 29.Kf8... (2021-02-13)
James Malcom: And thus, another giant falls. (2021-02-13)
A.Buchanan: Did Unto find a fix? (2021-02-14)
Michel Caillaud: Unto published a correction of P0002554 in StrateGems (42,5 moves, january 2020), not C+ of course... (2021-02-14)
James Malcom: May you input it into PDB please, Michel? (2021-02-14)
James Malcom: Thanks for the email, Michel. Unto's correction can now be seen in the database: P1386520 (2021-02-15)
more ...
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Keywords: Unique Proof Game, Capture-free, Move Length Record
Genre: Retro
FEN: 1KB1R1b1/pp2pp1n/1b4p1/2pp3p/P2N2RP/BP3PP1/Q1PPP2q/1Nrkr1n1
Reprints: H34 FIDE Album 1995-1997 2004
Input: Gerd Wilts, 1996-07-07
Last update: James Malcom, 2021-02-16 more...

7 - P0008399
Thomas Volet
Rex Multiplex 1983
1. Preis

(14+12)
=

R: 1. Th1-g1 Lb8-a7 2. Th5-h1 La7-b8 3. Td5-h5 Lb8-a7 4. Td2-d5 La7-b8 5. Tc2-d2 Lb8-a7 6. Tc1-c2 Kc2-b3 7. Ta1-c1 Kd2-c2 8. Lb4-a3 Ke1-d2 9. Ta3-a1 Kd2-e1 10. Tb3-a3 Ke1-d2 11. La3-b4 Kd2-e1 12. Tb5-b3 Ke1-d2 13. Ta5-b5 Kd2-e1 14. Ta7-a5 Ke1-d2 15. Tb7-a7 La7-b8 16. Tb8-b7 Kd2-e1 17. Kg8-f8 Ke1-d2 18. Tf8-b8 Te8-e7 19. Kh8-g8 Tb8-e8 20. Tc8-f8 Tb7-b8 21. Kg8-h8 Lb8-a7 22. Kf8-g8 Ta7-b7 23. Ke7-f8 Ta5-a7 24. Td8-c8 La7-b8 25. Tb8-d8 Tb5-a5 26. Tb7-b8 Lb8-a7 27. Ta7-b7 Tb3-b5 28. Lb4-a3 Ta3-b3 29. Ta5-a7 Ta1-a3 30. Tb5-a5 Tc1-a1 31. La5-b4 Tc2-c1 32. Tb3-b5 Td2-c2 33. Ta3-b3 Td6-d2 34. Ta1-a3 Td5-d6 35. Tc1-a1 Tf5-d5 36. Tc2-c1 Tf4-f5 37. Td2-c2 Te4-f4 38. Td6-d2 Td4-e4 39. Td5-d6 Td2-d4 40. Td4-d5 Tc2-d2 41. Td2-d4 Tc1-c2 42. Tc2-d2 Ta1-c1 43. Tc1-c2 Ta3-a1 44. Ta1-c1 Tb3-a3 45. Ta3-a1 Tb5-b3 46. Lb4-a5 Ta5-b5 47. Tb3-a3 Ta7-a5 48. La3-b4 Tb7-a7 49. Tb5-b3 La7-b8 50. Ta5-b5 Tb8-b7 51. Ta6-a5 Tg8-b8 52. Ta5-a6 Lb8-a7 53. Ta7-a5 Th8-g8 54. Tb7-a7 La7-b8 55. Tb8-b7 Tg8-h8 56. Tf8-b8 Lb8-a7 57. Kd8-e7 La7-b8 58. Kc8-d8 Th8-g8 59. Kb7-c8 Tg8-h8 60. Tb8-f8 Te8-g8 61. Kc8-b7 Te7-e8 62. Tb7-b8 Lb8-a7 63. Ta7-b7 Kd2-e1 64. Ta5-a7 Ke1-d2 65. Tb5-a5 Kd2-e1 66. Tb3-b5 Ke1-d2 67. Lb4-a3 Kd2-e1 68. Ta3-b3 Kc2-d2 69. Ta1-a3 Kb3-c2 70. Tc1-a1 Ka2-b3 71. Tc2-c1 Kb1-a2 72. Td2-c2 Ka2-b1 73. Td5-d2 Kb1-a2 74. Th5-d5 Ka2-b1 75. Th1-h5 Ka1-a2 76. h3xLg4
play all

Henrik Juel: Following R: 76.h3xLg4, the resolution could continue with
Retract wKc8 to b5, sLg4 to c8, b7-b6, sSa8 to g8, wSa4 to g1, wKb5 to e1, sLb8 to a5, b6xTc5, wTc5 to d4, sKa1 to b5, a2xTb3xDc4+, etc. (2020-08-13)
Henrik Juel: A little analysis may be in order
Pawns captured all missing men
Kb3 is now confined to the SW corner, but if we retract b3xc4 he is locked in for good, so [Lc8] was captured on g4
Before we retract h3xLg4, sLg4 to c8, and b7-b6, wKf8 must be liberated
The plan for this is: Retract wKg8-f8, sTg1 to f8, sTe7 out, wTf8 out past the sT, wKg8 to e7, sT to h8, wT to e8, and further as per my old comment (2022-01-22)
James Malcom: Corrected SPG: 1. Nh3 e6 2. Nc3 Qg5 3. Rg1 Qe3 4. dxe3 Bb4 5. Qd4 Nc6 6. Bd2 Na5 7. Kd1 Nb3 8.
axb3 Nf6 9. Ra6 Nd5 10. Rb6 axb6 11. Kc1 Ra4 12. Kb1 Ba5 13. Nd1 Rc4 14. Ka1 Ke7
15. Nf4 Kd6 16. Bb4+ Kc6 17. h3 Kb5 18. bxc4+ Ka4 19. c3 Kb3 20. Qc5 Kc2 21. Ka2
bxc5 22. Ka3 Bb6 23. Ka4 Ba7 24. Kb5 Nb6 25. Nd5 Na8 26. Nb6 Re8 27. Na4 b6 28.
Rh1 Bb7 29. Rh2 Bf3 30. Ka6 Bh5 31. Kb7 Re7 32. Kc8 Bg4 33. hxg4 Kb3 34. Rh5 Kc2
35. Rd5 Kb3 36. Rd2 Ka2 37. Rc2 Kb3 38. Rc1 Ka2 39. Ra1+ Kb3 40. Ra3+ Kc2 41.
Rb3 Bb8 42. Ba3 Ba7 43. Rb5 Bb8 44. Ra5 Kb3 45. Ra7 Kc2 46. Rb7 Ba7 47. Rb8 Re8+
48. Kb7 Rg8 49. Rf8 Kd2 50. Kc8 Ke1 51. Kd8 Rh8 52. Ke7 Rg8 53. Rb8 Rc8 54. Rb7
Bb8 55. Ra7 Rd8 56. Ra5 Ba7 57. Rb5 Rb8 58. Rb3 Rb7 59. Bb4 Bb8 60. Ra3 Ra7 61.
Ra1 Ra5 62. Rc1 Rb5 63. Ba5 Rb3 64. Rc2 Ra3 65. Rd2 Ra1 66. Rd6 Rc1 67. Kf8 Rc2
68. Kg8 Rd2 69. Rd5 Rd4 70. Rd6 Re4 71. Rd2 Rd4 72. Rc2 Rd2 73. Rc1 Rc2 74. Ra1
Rc1 75. Ra3 Ra1 76. Rb3 Ra3 77. Rb5 Rb3 78. Bb4 Kd2 79. Ra5 Kc2 80. Ba3 Rb5 81.
Ra7 Ra5 82. Rb7 Ba7 83. Rb8 Kb3 84. Rd8 Bb8 85. Re8 Ra7 86. Kh8 Rb7 87. Rf8 Ba7
88. Re8 Rb8 89. Rf8 Re8 90. Kg8 Re7 91. Rb8 Kc2 92. Rb7 Bb8 93. Ra7 Kb3 94. Ra5
Kc2 95. Rb5 Kb1 96. Rb3 Kc1 97. Bb4 Kb1 98. Ra3 Kc2 99. Ra1 Kb3 100. Rc1 Ba7
101. Rc2 Ka2 102. Rd2 Kb1 103. Rd5 Kc2 104. Rh5 Kc1 105. Rh1 Kb1 106. Rg1 Kc2
107. Ba3 Kb3 108. Kf8 (2023-03-11)
AV: On part de la position Rb5, Th1, Fa3 et f1, Ca4 et d1, Pb2, c3, c4, e2, e3, f2, g2 et h2 (14) / Rb3, Th8, Fa7 et c8, Ca8, Pb7, c5, c7, d7, e6, f7, g7 et h7 (13). Et l'on joue :

1...b6 2.h3 Fb7 3.Fb4 Ff3 4.Fa5! Fh5 5.Ra6 Te8 6.Rb7 Te7 7.Rc8 Fg4 8.hxg4 Début du décompte. 8...Rc2 9.Th5 Rb3 10.Td5 Rc2 11.Td2+ Rb3 12.Tc2 Ra2 13.Tc1 Rb3 14.Ta1 Rc2 15.Ta3 Rc1 16.Tb3 Rc2 17.Tb5 Rc1 18.Fb4 Rc2 19.Ta5 Fb8 20.Ta7 Rb3 21.Tb7 Fa7 22.Tb8 Te8+ 23.Rb7 Tg8 24.Tf8 [24.Te8] 24...Rc2 25.Rc8 Rc1 26.Rd8 Rc2 27.Re7 Rc1 28.Tb8 Rd2! [28...Rb1?! 29.Tb7 Fb8 30.Ta7 Rc2 31.Ta5 Fa7 32.Tb5 Tb8 33.Fa5 Tb7 34.Tb3 Fb8 35.Ta3 perd un coup] 29.Tb7 Fb8 30.Ta7 Re1! 31.Ta5 Fa7 32.Tb5 Tb8 33.Fa5 Tb7 34.Tb3 Fb8 35.Ta3 Ta7 36.Fb4 Ta5 37.Ta1 Tb5 38.Fa5 Tb3 39.Tc1 Ta3 40.Tc2 Ta1 41.Td2 Tc1 42.Td4 Tc2 43.Te4 Td2 44.Tf4 Td5 45.Td4 Td6 46.Td2 Td5 47.Tc2 Td2 48.Tc1 Tc2 49.Ta1 Tc1 50.Ta3 Ta1 51.Tb3 Ta3 52.Tb5 Tb3 53.Fb4 Rd2 54.Fa3 Rc2 55.Ta5 Tb5 56.Ta7 Ta5 57.Tb7 Fa7 58.Tb8 Rb3 59.Td8 Fb8 60.Re8 Ta7 61.Rf8 Tb7 62.Rg8 Fa7 63.Tf8 Tb8 64.Rh8 Te8 65.Rg8 Te7 66.Tb8 Rc2 67.Tb7 Fb8 68.Ta7 Rc1 69.Ta5 Fa7 70.Tb5 Rb1 71.Tb3 Rc2 72.Fb4 Rc1 73.Ta3 Rc2 74.Ta1 Rb3 75.Tc1 Ra2 76.Tc2 Rb3 77.Td2 Ra2 78.Td5 Rb3 79.Th5 Ra2 80.Th1 Rb3 81.Tg1 Ra2 82.Fa3 Rb3 83.Rf8 . Donc 75 coups sans prise, roque ni mouvement de pion. (2005-06-25, hidden)
Henrik Juel: James, please note
a. AV's comment uses french notation, RDTFC for KQRBS (german KDTLS)
b. His play is forward from the given position (wKb5, wRh1, ...), not backwards from diagram position (2020-08-13, hidden)
James Malcom: I'm aware that it is French, Henrik, and thanks for explaining that it is foward play. I found a full solution in the Retro Mailing list, which I have modified to fit PDB requirements-https://pairlist1.pair.net/pipermail/retros/2004-December/001006.html (2020-08-13, hidden)
Henrik Juel: Very good, James
It is so nice to be able to use the animation in retros with a looong retroplay (2020-08-13, hidden)
James Malcom: Done and done, Henrik. (2020-08-14, hidden)
Henrik Juel: Fine, James, but you made a small but crucial error at the end
R: 108... e7-e6?? is illegal, because the tempo is wrong and there is no way to change it:
109.Sa3-b1 Sc4-e3 110.Sb1-a3 Sa5-c4 111.Sa3-b1 Sc6-a5 112.Sb1-a3 Sb8-c6
The initial array has been reached, but White should have made the last retraction
R: 108... Sc4-e3 or any other black retraction works (2020-08-15, hidden)
James Malcom: SPG: 1. Nc3 e6 2. Nf3 Qg5 3. h3 Qe3 4. dxe3 Nc6 5. Qd4 Na5 6. Qb6 Nb3 7. axb3 axb6 8. Bd2 Ra4 9. O-O-O Ke7 10. Ng5 Kd6 11. Be1+ Kc5 12. Rd6 Rc4 13. Nd1 Kb5 14. Rc6 Bb4 15. bxc4+ Ka4 16. Ne4 Ba5 17. Bb4 Nf6 18. c3 Kb3 19. Nc5+ Ka2 20. Kc2 Ka1 21. Kb3 Nd5 22. Ka4 Re8 23. Kb5 Ka2 24. Na4 Ka1 25. Rc5 bxc5 26. Rh2 Nb6 27. Rh1 Na8 28. Rh2 Bb6 29. Rh1 Ba7 30. Rh2 b6 31. Rh1 Bb7 32. Rh2 Bf3 33. Rh1 Bg4 34. Ka6 Re7 35. Kb7 Ka2 36. Kc8 Bb8 37. Kd8 Ka1 (2023-03-09, hidden)
James Malcom: SPG: 1. Nh3 e6 2. Nc3 Qg5 3. Rg1 Qe3 4. dxe3 Bb4 5. Qd4 Nc6 6. Bd2 Na5 7. Kd1 Nb3 8. axb3 Nf6 9. Ra6 Nd5 10. Rb6 axb6 11. Kc1 Ra4 12. Kb1 Ba5 13. Nd1 Rc4 14. Ka1 Ke7 15. Nf4 Kd6 16. Bb4+ Kc6 17. h3 Kb5 18. bxc4+ Ka4 19. c3 Kb3 20. Qc5 Kc2 21. Ka2 bxc5 22. Ka3 Bb6 23. Ka4 Ba7 24. Kb5 Nb6 25. Nd5 Na8 26. Nb6 Re8 27. Na4 b6 28. Rh1 Bb7 29. Rh2 Bf3 30. Ka6 Bh5 31. Kb7 Re7 32. Kc8 Bg4 33. hxg4 Kb3 34. Rh3 Kc2 35. Rh5 Kb3 36. Rd5 Kc2 37. Rd2+ Kb3 38. Rc2 Ka2 39. Rc1 Kb3 40. Ra1 Kc2 41. Ra3 Kb1 42. Rb3 Kc2 43. Ba3 Kb1 44. Rb5 Kc2 45. Ra5 Bb8 46. Ra7 Kd2 47. Rb7 Ba7 48. Rb8 Re8+ 49. Kb7 Rh8 50. Rf8 Rg8 51. Kc8 Rh8 52. Kd8 Rg8 53. Ke7 Rh8 54. Rb8 Rc8 55. Rb7 Bb8 56. Ra7 Ke1 57. Ra5 Ba7 58. Rb5 Rb8 59. Rb3 Rb7 60. Bb4 Bb8 61. Ra3 Ra7 62. Ra1 Ra5 63. Rc1 Rb5 64. Ba5 Rb3 65. Rc2 Ra3 66. Rd2 Ra1 67. Rd5 Rc1 68. Kf8 Rc2 69. Kg8 Rd2 70. Rd6 Rd4 71. Rd5 Re4 72. Rd2 Rd4 73. Rc2 Rd2 74. Rc1 Rc2 75. Ra1 Rc1 76. Ra3 Ra1 77. Rb3 Ra3 78. Rb5 Rb3 79.Bb4 Kd2 80. Ba3 Kc1 81. Ra5 Rb5 82. Ra7 Ra5 83. Rb7 Ba7 84. Rb8 Ra6 85. Rf8 Bb8 86. Kh8 Ra7 87. Re8 Rb7 88. Rd8 Ba7 89. Rc8 Rb8 90. Rf8 Re8 91. Kg8 Re7 92. Rb8 Kc2 93. Rb7 Bb8 94. Ra7 Kb3 95. Kf8 Kc2 96. Ra5 Ba7 97. Rb5 Kb1 98. Rb3 Kc2 99. Bb4 Kb1 100. Ra3 Kc2 101. Ra1 Kb3 102. Rc1 Ka2 103. Rc2 Ka1 104. Rd2 Ka2 105. Rd5 Kb1 106. Rh5 Ka2 107. Rh1 Kb3 108. Rg1 (2023-03-10, hidden) more ...
comment

Keywords: 50 move rule, Move Length Record
Genre: Retro
FEN: n4K2/b1pprppp/1p2p3/2p5/N1P3P1/BkP1P3/1P2PPP1/3N1BR1
Reprints: Redkiye zhanry-plus 1996
Input: Gerd Wilts, 1996-09-17
Last update: James Malcom, 2023-03-11 more...

8 - P0501022
Zdravko Maslar
Problem 1958
Sonderpreis

(1+13)
h=34

1. f3 Kb8 2. f2 Ka8 3. f1=L Kb8 4. Ld3 Ka8 5. Lb1 Kb8 6. La2 Ka8 7. Db1 Kb8 8. f5 Ka8 9. f4 Kb8 10. f3 Ka8 11. f2 Kb8 12. f1=L Ka8 13. Tf2 Kb8 14. Kf7 Ka8 15. Ke6 Kb8 16. Kd5 Ka8 17. Kc4 Kb8 18. Kc3 Ka8 19. Kb2 Kb8 20. Ka1 Ka8 21. Tb2 Kb8 22. T8f2 Ka8 23. Lf5 Kb8 24. Lc2 Ka8 25. d3 Kb8 26. Le3 Kc7 27. e5 Kxd6 28. Lc1 Ke6 29. Td2 Kf5 30. e4 Kg4 31. Le2+ Kxh3 32. e3 Kg2 33. Led1+ Kf1 34. e2+ Ke1=
play all

James Malcom: This is outdone by P0501023. (2022-04-27)
more ...
comment

Keywords: Rex solus (w), Superseded by (P0501023), Move Length Record
Genre: Fairies
FEN: K1b2rk1/4pr2/1b1n1p2/5q2/3p1p2/1p5n/8/8
Reprints: The Problemist 07/2008
Input: Gerd Wilts, 1996-06-06
Last update: James Malcom, 2022-04-27 more...

9 - P0501023
Attila Koranyi
Zdravko Maslar
Sakkelet 1991
Maslar, Version Koranyi

(1+13)
h=36
(h=35.5)

1. ... Kb8 2. Df5 Ka8 3. f3 Kb8 4. f2 Ka8 5. f1=L Kb8 6. Ld3 Ka8 7. Lb1 Kb8 8. La2 Ka8 9. Db1 Kb8 10. f5 Ka8 11. f4 Kb8 12. f3 Ka8 13. f2 Kb8 14. f1=L Ka8 15. Tf2 Kb8 16. Kf7 Ka8 17. Ke6 Kb8 18. Kd5 Ka8 19. Kc4 Kb8 20. Kc3 Ka8 21. Kb2 Kb8 22. Ka1 Ka8 23. Tb2 Kb8 24. T8f2 Ka8 25. Lf5 Kb8 26. Lc2 Ka8 27. d3 Kb8 28. Le3 Kc7 29. e5 Kxd6 30. Lc1 Ke6 31. Td2 Kf5 32. e4 Kg4 33. Le2+ Kxh3 34. e3 Kg2 35. Led1+ Kf1 36. e2+ Ke1=
play all

1.5 moves more then the famous P0501022

Michel Caillaud: Cooked
In Winchloé, the h=35 is given as Zdravko Maslar, Problem 1958, with a cook :
1.Dh5 Ka8 2.f3 Kb8 3.f2 Ka8 4.f1=L Kb8 5.Ld3 Ka8 6.Lb1 Kb8 7.La2 Ka8 8.f5 Kb8 9.f4 Ka8 10.f3 Kb8 11.f2 Ka8 12.f1=L Kb8 13.Ld3 Ka8 14.Ldb1 Kb8 15.Tf2 Ka8 16.Tb2 Kb8 17.Tff2 Ka8 18.Lçf5 Kb8 19.Lfç2 Ka8 20.d3 Kb8 21.Lé3 Kç7 22.é5 K×d6 23.Lç1 Kd5 24.Td2 Ké4 25.Dd1 Kf5 26.Kh7 Ké6 27.Kh6 Ké7 28.Kh5 Kf7 29.Kg4 Kf6 30.Kf3 Kf5 31.Ké2 Kg4 32.Ké1+ K×h3 33.é4 Kg3 34.é3 Kh3 35.é2 Kg2=
and P0501022 as the correction
It seems Zdravko analyzed the whole thing in due time... (2022-07-26)
more ...
comment

Keywords: Move Length Record, Rex solus (w)
Genre: Fairies
FEN: 2b2rk1/2K1pr2/1b1n1p2/3q4/3p1p2/1p5n/8/8
Input: Gerd Wilts, 1996-06-06
Last update: James Malcom, 2022-04-27 more...

10 - P1013337
Bernd Schwarzkopf
Hans Gruber
7 Die Schwalbe 65, p. 127, 10/1980

(1+0) C+
ser-!=55 genau
Haaner Schach
Längstzüger

1. Tc8 2. Th8 3. Th1 4. Ta1 5. Ta8 6. Ta2 7. Ta7 8. Th7 9. Tb7 10. Tb1 11. Tg1 12. Tg8 13. Tg2 14. Tg7 15. Tg3 16. Ta3 17. Tf3 18. Tf8 19. Tf4 20. Ta4 21. Te4 22. Te8 23. Te5 24. Ta5 25. Td5 26. Td1 27. Td4 28. Tb4 29. Tb2 30. Tb3 31. Te3 32. Te1 33. Tf1 34. Tf2 35. Td2 36. Td3 37. Tc3 38. Tc7 39. Tc4 40. Tc6 41. Th6 42. Th2 43. Th5 44. Th3 45. Th4 46. Tg4 47. Tg6 48. Td6 49. Td8 50. Td7 51. Tf7 52. Tf5 53. Tf6 54. Te6 55. Te7!=
play all

Erich Bartel: richtig,es fehlt der Hinweis "(genau) Typ3, den die Autoren wie folgt bestimmen: die absolut längste mit Patt endende Zugfolge (zugleich die absolut längstmögliche Zugfolge).
[Schwarzkopf/Gruber:Patt-Einsteiner im Haaner-Schach Längstzüger, Die Schwalbe X 1980,S.127.--
Unter diesem Aspekt ist die Aufgabe auch korrekt.--- (2009-07-07)
Joost de Heer: See P1211624 for a longer composition with a nightrider. (2022-08-03)
more ...
comment

Keywords: Maximummer, Haaner Chess, Move Length Record (Typ 3), Seriesmover, Aristocrat
Genre: Fairies
FEN: 8/8/8/8/8/8/2R5/8
Input: Hans Gruber, 2004-05-01
Last update: Alfred Pfeiffer, 2016-08-23 more...

11 - P1013808
Jan Kubecka
Theodor Steudel
Hans Gruber
Problemkiste (50) 07/1987

(2+2) C+
ser-=11
Madrasi

1. Kc7 2. Kd6 3. Ke5 4. Kf4 5. Kxg3 6. h4 7. h5 8. h6 9. h7 10. h8=L 11. Ld4=
play all

more ...
comment

Keywords: Madrasi, Seriesmover, Move Length Record, Kindergarten Problem, Minimal, Miniature
Genre: Fairies
Computer test: Alybadix
FEN: 1K6/8/8/8/8/6p1/7P/7k
Reprints: Problemkiste (72) 12/1990
Input: Hans Gruber, 2004-05-01
Last update: Arnold Beine, 2022-08-18 more...

12 - P1013998
Hans Gruber
Erich Bartel
A6 Problemkiste 106 08/1996

(2+2)
ser-Fesselung in 4

1. Ka2 2. Ta1 3. Kb1 4. Ta3 F
play all

Erich Bartel: Figuren-Parallelogramm z1b1c3b3 (2021-04-05)
more ...
comment

Keywords: Interchange (KT), Seriesmover, Pin, Aristocrat, Minimal, Move Length Record
Genre: Fairies
FEN: 8/8/8/8/8/1nk5/8/KR6
Input: Hans Gruber, 2004-05-01
Last update: Alfred Pfeiffer, 2019-07-10 more...

13 - P1017659
Pascal Slechten
Michel Caillaud
R160 Problemesis 08/2004

(16+0)
ser-BP in 31

1. Sf3 2. Sd4 3. f3 4. Kf2 5. Kg3 6. Kh4 7. g3 8. Lh3 9. Le6 10. Sf5 11. d4 12. Ld2 13. La5 14. Sc3 15. Db1 16. Td1 17. Td3 18. Sd1 19. Tb3 20. Tb6 21. b4 22. b5 23. Db4 24. Tb1 25. Tb3 26. Tc3 27. Tcc6 28. c4 29. c5 30. Lc4 31. d5
play all

Längste eindeutige Serienzug-BP ohne Schläge

Cf: P1347359
paul: Checked with stip ser-dia 31 forsyt rsbqkbsr/pppppppp/1RR5/BPPP1S2/1QB4K/5PP1/P3P2P/3S4 by Jacobi. (2021-09-27)
comment

Keywords: Unique Proof Game, Seriesmover, Capture-free, Move Length Record (ex-aequo)
Genre: Retro, Fairies
FEN: 8/8/1RR5/BPPP1N2/1QB4K/5PP1/P3P2P/3N4
Reprints: H54 Vkontakte 2013
H54 Phénix 261/262, p. 10359, 05-06/2016
Phénix 279-280, p. 11000, 11-12/2017
Input: Gerd Wilts, 2004-08-01
Last update: A.Buchanan, 2021-04-09 more...

14 - P1114644
Erich Bartel
1366 Problemkiste (33) 11/1985

(2+1)
ser-s-SY in 9

1.-5.Kc8 6.a8D 7.Da1 8.Kb7 9.Dg7+ K\x g7 SY
play all

Erich Bartel: Nachdrucke:
1) A34 Problemkiste (97) II 1995
2) 50500) 2001 Series XII 2001
3) Problemkiste (141) VI 2002 (2010-09-06)
HBae: NL (Kurzlösung) 1.a8=S 4.Sg5 8.Ke7 Kg7,Kh8 sy. Symmetrieachse = a1-h8.
siehe BUB zu JS und PK (2023-01-19)
comment

Keywords: Move Length Record, Seriesmover
Genre: Fairies
FEN: 6k1/P7/8/8/8/7K/8/8
Input: Erich Bartel, 2010-09-06
Last update: Erich Bartel, 2010-09-06 more...

15 - P1181668
Aleksey Khanyan
Tim Krabbé's Website #267 24/01/2008

(13+13)
#12

1. ... Sdf4+ 2. Texf4+ Se2xf4+ 3. Tdxf4 Se6xf4+ 4. Tbxf4+ Sg2xf4+ 5. Taxf4+ Sg6xf4+ 6. Tf3xf4+ Sh3xf4+ 7. Tgxf4+ Sh5xf4+ 8. Thxf4+ Kxf4+ 9. Dhe5+ Tgxe5+ 10. D1xe5+ Texe5+ 11. D8xe5+ Dcxe5+ 12. Daxe5#
play all

https://timkr.home.xs4all.nl/chess2/diary_14.htm

Automatische Zugfolge (No-brainer) mit Zugumstellungen

Henrik Juel: sKf5 is in check from wTf3, so it is Black to move
With 11 white moves to reach mate, the stipulation should read #11, and the conventional numbering is 0... Sf4+ .. 11.Dxe5# (2020-04-19)
Henrik Juel: The missing men are wLLS and sPPP
8+5 promotions have happened, after the needed 3+2 pawn captures, e.g.
wPaxPb, wPcxPd, wPexPf, sPgxL, sPhxL
(The position would still be legal with one white light officer added to the diagram) (2020-04-19)
Henrik Juel: It may be that the 'conventional' numbering would ruin the PDB animation... (2020-04-19)
James Malcom: See the earlier 19 ply P1181666. (2021-02-06)
VL: My version of this problem, stipulated ###1, with wRf3 shifted to e3 was published in my article “Completely unavoidable mate” (The Problemist, v.24, No.6, November 2013; Pr.No.7), where ### denotes a CU-mate introduced in the article. (2021-02-09)
more ...
comment

Keywords: Non-standard material, No-brainer, Consecutive checks (22), Aristocrat, Construction task, Construction record, Move Length Record
Genre: n#
FEN: 4Q2Q/4r3/4n1n1/1bbK1krn/RR1RR1RR/2qn1R1n/4n1nN/Q3Q3
Input: HBae, 2010-12-04
Last update: James Malcom, 2021-02-07 more...

16 - P1184135
Unto Heinonen
Z9 Problemkiste 12/2010

(3+1)
ser-++9
(kein Doppelschach-Matt)
Circe Equipollents

1. d4! 2. d5 3. d6 4. d7 5. d8=T 6. Tb8 7. Tb2 8. Dc1 9. Tb3++
play all

Beruht auf der Spitzfindigkeit, dass 9. Ta2++ zugleich Matt ist.

Henrik Juel: Is there a Popeye version that supports the stipulation ser-++9 ?
4.61 does not (2020-06-25)
SCHRECKE: I don't think so. (2020-06-25)
paul: Checked by Jacobi with
cond circeequipollent
stip ser-++9 forsyth 8/8/8/8/8/k1K5/2QP4/8
Between the 80 solutions obtained in output, we eliminate those finished with checkmate. (2022-10-08)
comment

Keywords: Circe (Equipollents), Seriesmover, Move Length Record, under-promotion (T), Excelsior, Rex solus (s)
Genre: Fairies
FEN: 8/8/8/8/8/k1K5/2QP4/8
Input: Frank Müller, 2011-01-03
Last update: Alfred Pfeiffer, 2020-06-24 more...

17 - P1184140
Unto Heinonen
Z14 Problemkiste 12/2010

(2+4) cooked
ser-==46
Circe Equipollents

1. Kh4 2. Kg3 3. Kf2 4. Ke1 5. Kxe2[+sBe3] 6. Kxe3[+sBe4] 7. Kxe4[+sBe5] 8. Kxe5[+sBe6] 9. Kd4 10. Kc3 11. Kb2 12. Kxb3[+sBb4] 13. Kxb4[+sBb5] 14. Kxb5[+sBb6] 15. Kxb6[+sBb7] 16. Kxb7[+sBb8] 17. Ka8 18. Kxb8[+sBc8] 19. Kxc8[+sBd8] 20. Kxd8[+sBe8] 21. Kxe8[+sBf8] 22. Kxf8[+sBg8] 23. Ke7 24. Kd6 25. Kxe6[+sBf6] 26. Kxf6[+sBg6] 27. Kxg6[+sBh6] 28. Kh5 29. Kxh6[+sBh7] 30. Kg5 31. Kf4 32. Ke3 33. Kd2 34. Kc1 35. Kxc2[+sBc3] 36. Kxc3[+sBc4] 37. Kxc4[+sBc5] 38. Kxc5[+sBc6] 39. Kb6 40. Kxc6[+sBd6] 41. Kxd6[+sBe6] 42. Kxe6[+sBf6] 43. Kxf6[+sBg6] 44. Kg5 45. Kh6 46. g5==
play all

Cook: Dual: 9. Kxe6[+sBe7] 10. Kxe7[+sBe8] 11. Kd8 12. Kxe8[+sBf8] 13. Kxf8[+sBg8] 14. Ke7 15. Kd6 16. Kc5 17. Kb4 18. Ka3 19. Kxb3[+sBc3] 20. Kxc3[+sBd3] 21. Kxd3[+sBe3] 22. Kxe3[+sBf3] 23. Kxf3[+sBg3] 24. Kxg3[+sBh3] 25. Kh2 26. Kxh3[+sBh4] 27. Kxh4[+sBh5] 28. Kxh5[+sBh6] 29. Kxh6[+sBh7] etc. (Arnold Beine)

Arnold Beine: Egal, ob der sBg8 am Ende ziehen darf oder nicht, die Aufgabe ist inkorrekt. (2022-10-15)
Frank Müller: Kevin: Alle Komponisten akzeptieren bei Circe Equipollents die Popeye-Regel. Es gibt in Circe Equipollents viele Probleme mit dem unbeweglichen Bauern auf der Grundreihe. Ich kenne aber kein Problem nach der WinCloe-Regel. Wo wurde je publiziert, das in Circe Equipollents ein Bauer auf der Grundreihe ziehen kann. Ich meine nirgends. Wieso soll das dann die Grundregel sein?? Beispielsweise in Platzwechselcirce ist der Bauer auf der Grundreihe auch unbeweglich.
Regeln werden nicht von den Programmieren erstellt, sondern von den Komponisten und ihren Problemen. Andernfalls führt jeder Fehler in einem Programm zu einer neuen Regel? (2011-01-18, hidden)
Kevin Begley: Frank: it is not a matter of what I want - I want only universal, and consistent rules! -, nor is it a matter of favoring any program. Circa 2001, a member of popeye's team conceded that their implementation of this condition was probably incorrect (both for en passant rebirths, and using dummies as pawns on the 1st rank).
The first problem to my show pawns on the 1st rank in this condition is: PROBID='P1004036' (April, 2001). If you can provide the original rules, or an earlier example, please do so. If this exception was not specified in the original rules (as it was with PWC - which was not intended to be a circe form!), it should follow circe convention (as it does in Circe Parrain, Circe Cage, and virtually all other forms where pawns are reborn on the 1st). Rules are created by the fairy inventor - not the composer, not the programmer - and adopted by the larger community. Interpretations of this rule, based upon popeye's implementation, is not valid (did they ever correct the en passant bug?). (2011-01-19, hidden)
Kevin Begley: I left out two words: ...first problem to my [knowledge to] show... (2011-01-19, hidden)
Kevin Begley: FYI: ultimately, pawns on the 1st should obey one rule (stated clearly in an official fairy codex, for all applicable conditions). Most will tell you the Parrain rule is favored as this default (I'll leave this for the officials to decide). I no longer care which rule is adopted - either way, many problems will require an additional condition. I want only universal, consistent, unambiguous rules. (2011-01-19, hidden)
Frank Müller: Kevin: the PDB is not the right room for a discussion over difficult rules. Please, contact me private at framutor@aol.com (2011-01-20, hidden) more ...
comment

Keywords: Circe (Equipollents), Seriesmover, Move Length Record, Kindergarten Problem, Minimal, Miniature
Genre: Fairies
FEN: 7k/8/8/7K/6P1/1p6/2p1p3/8
Input: Frank Müller, 2011-01-03
Last update: Arnold Beine, 2022-10-15 more...

18 - P1184150
Unto Heinonen
Z28 Problemkiste 12/2010

(2+2) C+
ser-s=19
Circe Equipollents

1. Kd5 2. e4 3. e5 4. e6 5. e7 6. Ke6 7. Kf7 8. Kf8 9. e8=D 10. Db8 11. Ke8 12. Dxc7[+sDd6] 13. Dd7 14. Ke8 15. Kd8 16. Dc7 17. Kb8 18. Ka8 19. Db6+ Dxb6=
play all

paul: 15.Kc8 (2022-10-08)
comment

Keywords: Circe (Equipollentscirce), Seriesmover, Move Length Record
Genre: Fairies
FEN: 8/2q5/k7/8/2K5/8/4P3/8
Input: Frank Müller, 2011-01-04
Last update: Frank Müller, 2011-02-06 more...

19 - P1189002
Bernd Schwarzkopf
D27 Problemkiste (185) 11/2009

(1+3) C+
ser-=4
Duplex

w) 1. Kf1 2. Ke2 3. Kxd3 4. Kc2=
s) 1. Kb1 2. a1=D 3. Dh8 4. Dh3=
play all

more ...
comment

Keywords: Seriesmover, Move Length Record, Miniature
Genre: Fairies
Computer test: Popeye Windows-32Bit v4.51 (100000 KB)
FEN: 8/8/8/8/8/3n4/p7/k5K1
Input: Uwe Mehlhorn, 2011-03-03
Last update: Arnold Beine, 2022-10-17 more...

20 - P1189376
Unto Heinonen
H3 Problemkiste (184) 08/2009

(1+2)
ser-Zf4 in 18
Haaner Schach

1. Kb7 2. Kc6 3. Kd5 4. Ke4 5. Kf3 6. Kg4 7. Kh5 8. Kxh6 9. Kh7 10. Kg8 11. Kf8 12. Ke8 13. Kd7 14. Kd6 15. Kc5 16. Kd4 17. Ke3 18. Kf4 z
play all

Moldenhauer: Computerprüfung: C+ Popeye 4.88 in 3 Std. 51 Min. Eine Lösung! (2022-09-19)
comment

Keywords: Haaner Chess, Seriesmover, Move Length Record
Genre: Fairies
FEN: K7/8/5k1b/8/8/8/8/8
Input: Uwe Mehlhorn, 2011-03-07
Last update: Alfred Pfeiffer, 2017-05-18 more...

21 - P1189504
Zdenek Oliva
K351 Problemkiste (104) 04/1996

(2+1) C+
ser-#15
Haaner Schach

1. f4 2. f5 3. f6 4. f7 5. f8=S 6. Se6 7. Sc7 8. Sa8 9. Sb6 10. Sc8 11. Sa7 12. Sc6 13. Sb8 14. Sa6 15. Sc5#
play all

Moldenhauer: Computerprüfung: C+ Popeye 4.88 in 39 Std. 35 Min. (2022-09-16)
Mario Richter: 2 Anmerkungen:
1. Danke an "Moldenhauer" für das oft sehr zeitaufwendige Testen!

2. im konkreten Fall scheinen mehr als 39 Stunden für einen 3-Steiner darauf hinzuweisen, daß es in 'popeye' noch Optimierungspotential (zumindest speziell für Aufgaben mit Märchenbedingung "Haaner Schach") gibt [mein eigenes Programm 'rawbats', das normalerweise mit 'popeye' nicht mithalten kann, schafft die Prüfung in 10 min 3 sec!] ...
Vielleicht kann der eine oder andere Problemfreund mit Zugriff auf die entsprechenden Programme mal mitteilen, wie lange WinChloe, Alybadix, jacobi etc. für die Prüfung brauchen?! (2022-09-17)
Arnold Beine: Alybadix und Jacobi kennen/können Haaner Schach nicht. (2022-09-19)
comment

Keywords: Haaner Chess, Seriesmover, Move Length Record, Kindergarten Problem, Minimal, Miniature
Genre: Fairies
Computer test: Moldenhauer (2022-09-16): Computerprüfung: C+ Popeye 4.88 in 39 Std. 35 Min. Mario Richter: C+ rawbats in 10 min 3 sec
FEN: 8/1k1K4/8/8/8/8/5P2/8
Reprints: Z4 Problemkiste (183) 06/2009
Input: Uwe Mehlhorn, 2011-03-07
Last update: Mario Richter, 2022-09-17 more...

22 - P1189535
Bernd Schwarzkopf
Z17 Problemkiste (183) 06/2009

(2+3) C+
ser-h-0-0 4
Haaner Schach

1. Sc5 2. Se4 3. Sf2 4. Lg3 0-0
play all

more ...
comment

Keywords: Haaner Chess, Seriesmover, Move Length Record, Aristocrat, Minimal, Miniature, Homebase
Genre: Fairies
Computer test: popeye 4.87
FEN: 8/8/n7/8/5k2/8/7b/4K2R
Input: Uwe Mehlhorn, 2011-03-08
Last update: Arnold Beine, 2022-10-17 more...

23 - P1191755
Unto Heinonen
K3051 Problemkiste (178) 09/2008

(6+2)
ser-5+26
Madrasi

1. Kf1 2. Ta4 3. Dd4 4. g4 5. g5 6. g6 7. g7 8. g8=D 9. Dg3 10. De1 11. g4 12. g5 13. g6 14. g7 15. g8=D 16. Dgg3 17. Dgf2 18. f4 19. f5 20. f6 21. f7 22. f8=L 23. Lb4 24. Lc3 25. Ta3 26. Lxd2+++++
play all

Arnold Beine: Hier stimmt etwas nicht, obwohl Stellung und Lösung mit der Originalveröffentlichung übereinstimmen. Der Zug 3.Db4 muss falsch sein, denn dann kann 23.Lb4 nicht gespielt werden. Stattdessen 23.Lg7 zu spielen macht auch keinen Sinn, denn dann wäre die wDb4 am Ende nicht am geforderten fünffachen Schachgebot beteiligt. Stattdessen 3.Dd4 usw. zu spielen würde am Ende zwar eine fünffache Bedrohung des sK bedeuten, wäre aber auch Matt, was der Forderung widerspräche. (2022-10-20)
SCHRECKE: 3. Dd4 ist kein Matt, da die wD paralysiert ist! (2022-10-20)
Arnold Beine: Am Ende wird die sD geschlagen und damit sind alle weißen Damen aktiv - also Matt! (2022-10-20)
SCHRECKE: O.K., dann müsste halt statt des "+" ein "#" stehen. (2022-10-21)
Arnold Beine: Dann wäre das aber eine ganz andere Forderung, weil nicht mehr ein "Mehrfachschach", sondern ein "Matt mit einer zusätzlichen Einschränkung" gefordert wäre. Die Forderung müsste dann "ser-#26 durch Fünffachschach" heißen, und am Ende der Lösung müsste "26.Lxd2# durch Fünffachschach" stehen.
Ich zweifle, ob das im Sinne des Autors gewesen wäre, denn die Aufgabe wurde gemeinsam mit neun weiteren Aufgaben von ihm auf Seite 253 der PK 178 veröffentlicht - alle mit unterschiedlichen Mehrfachschach-Forderungen, wie man auch in den jeweiligen Lösungen erkennen kann.
Mit der Forderung "ser-#" (ohne Einschränkung) wäre die Aufgabe bereits in 2 Zügen lösbar: 1.Dd7 2.Te4#. (2022-10-21)
SCHRECKE: UH ist laut "Schwalbe" verstorben, er kann sich der Sache leider nicht mehr annehmen. (2022-10-21)
HBae: Habe Lösung korrigiert: 3. Dd4! (2022-10-21)
comment

Keywords: Madrasi, Seriesmover, Move Length Record, Minimal
Genre: Fairies
FEN: 8/8/8/8/5RQ1/4kPP1/3q2P1/4K3
Input: Uwe Mehlhorn, 2011-04-01
Last update: HBae, 2022-10-21 more...

24 - P1195372
Erich Bartel
M26 Problemkiste (177) 06/2008

(3+1)
ser-h++9
Monochromes Schach

1. Kd3 2. Kc2 3. Kb3 4. Ka4 5. Kb5 6. Ka6 7. Kb7 8. Kc8 9. Kd7 Tf7++
play all

SCHRECKE: C+, Jacobi v0.7.5 (2022-10-21)
Mario Richter: Bei orthodoxen Zuglängenrekorden wird zwischen Aufgaben mit legaler und solchen mit illegaler Stellung differenziert. Gilt diese Unterscheidung auch bei Aufgaben mit Märchenbedingung? (2022-10-21)
comment

Keywords: Seriesmover, Move Length Record, Monochromatic Chess, Aristocrat, Miniature
Genre: Fairies
FEN: 8/8/8/3K1R2/6B1/8/4k3/8
Input: Erich Bartel, 2011-05-11
Last update: Arnold Beine, 2022-10-20 more...

25 - P1199738
Milos Tomasevic
Radovan Tomasevic
K778 Problemkiste (130) 08/2000
Erich Bartel zum 70. Geburtstag gewidmet

(3+16) C+
ser-!=116

1. Kg8 2. Kh7 3. Kg6 4. Kh5 5. Kh4 6. Kh3 7. Kh2 8. Kg1 9. Kf1 10. Ke1 11. Kd1 12. Kc1 13. Kb1 14. Ka2 15. Kb3 16. Kxb4 17. Kb3 18. Ka2 19. Kb1 20. Kc1 21. Kd1 22. Ke1 23. Kf1 24. Kg1 25. Kh2 26. Kh3 27. Kh4 28. Kh5 29. Kg6 30. Kh7 31. Kg8 32. Kf8 33. Ke8 34. Kxd8 35. Ke8 36. Kf8 37. Kg8 38. Kh7 39. Kg6 40. Kh5 41. Kh4 42. Kh3 43. Kh2 44. Kg1 45. Kf1 46. Ke1 47. Kd1 48. Kc1 49. Kb1 50. Ka2 51. Kb3 52. Kb4 53. Kb5 54. Kxc6 55. Kb5 56. Kb4 57. Kb3 58. Ka2 59. Kb1 60. Kc1 61. Kd1 62. Ke1 63. Kf1 64. Kg1 65. Kh2 66. Kh3 67. Kh4 68. Kh5 69. Kg6 70. Kh7 71. Kg8 72. Kf8 73. Ke8 74. Kd8 75. Kxc8 76. Kd8 77. Ke8 78. Kf8 79. Kg8 80. Kh7 81. Kg6 82. Kh5 83. Kh4 84. Kh3 85. Kh2 86. Kg1 87. Kf1 88. Ke1 89. Kd1 90. Kc1 91. Kb1 92. Ka2 93. Kb3 94. Kb4 95. Kb5 96. Kc6 97. Kd6 98. Kxe6 99. Kd6 100. Kc6 101. Kb5 102. Kb4 103. Kb3 104. Ka2 105. Kb1 106. Kc1 107. Kd1 108. Ke1 109. Kf1 110. Kg1 111. Kh2 112. Kh3 113. Kh4 114. Kh5 115. g5 116. g6!=
play all

paul: Actually surpassed by P1273550. (2014-02-04)
Vaclav Kotesovec: After more than 513 hours, Gustav 4.2c was able to test this problem! (2023-04-09)
Vaclav Kotesovec: As a composer, I would have preferred to place the white king on h5 (and ser-!=112) with multiple switchbacks, but I understand that the authors were probably more concerned with the length record. (2023-04-09)
James Malcom: That is quite the dedication to computer testing! (2023-04-10)
Vaclav Kotesovec: This problem was one of a number of problems I chose to test the new version 4.2c of Gustav by Olaf Jenkner. I always test several problems in parallel, so even though the testing times may seem long (and in the case of this problem it was rather an exception), on average it takes no more than a week to test one such problem, so I get some results almost every day. The most time-consuming problems are, of course, correct ones, and cooked ones are usually discovered much faster. I consider the fact that this problem has been completely tested as another step on the very limit of the possibilities of current computer technology. (2023-04-10)
comment

Keywords: Seriesmover, Move Length Record, Sea Snake
Genre: Fairies
Computer test: V. Kotesovec: Gustav 4.2c 64 Bit (Lösezeit: 21 : 09 : 12 : 57,89 d, Hashtables: 102400 MB)
FEN: 2bn1K2/q5p1/2r1pp2/5P2/1b1k1rP1/p1pppp2/8/7n
Input: Erich Bartel, 2011-08-01
Last update: Gunter Jordan, 2023-04-10 more...

26 - P1201821
Tomislav Petrovic
Problemkiste 1989

(3+6) C+
ser-s#46

1. Kf2 2. Ke3 3. Kf4 4. Kg5 5. Kh4 6. Kh3 7. Kxh2 8. Kh3 9. Kh4 10. Kg5 11. Kf4 12. Kxf3 13. Kg4 14. Kh5 15. g4 16. g5 17. g6 18. Kh6 19. Kg7 20. Kf8 21. g7 22. g8=D 23. De6 24. Kf7 25. Kf6 26. Ke5 27. Dd5 28. Kd4 29. Kc5 30. Dc6 31. Kb6 32. Kb7 33. Kb8 34. a8=D 35. Dab7 36. Ka7 37. Kb6 38. Kc5 39. Dd5 40. Kd4 41. Ke5 42. De6 43. Kf6 44. Kf7 45. Kf8 46. Df6+ Txf6#
play all

more ...
comment

Keywords: Seriesmover, Move Length Record, Promotion (DD)
Genre: Fairies
Computer test: Gustav 4.2a
FEN: 3k4/P2p4/3r4/8/8/5bP1/7n/4K1r1
Reprints: 187 398 Zuglängenrekorde im Serienzüger 2003
Input: Frank Müller, 2011-09-03
Last update: Arnold Beine, 2022-10-23 more...

27 - P1202795
Endre Szentai
Feladvanykedvelök Lapja 1970

(3+1) C+
ser-h=15

1. Kh7 2. Kg6 3. Kf5 4. Ke5 5. Kd4 6. Kc3 7. Kb4 8. Ka5 9. Ka6 10. Ka7 11. Kb8 12. Kc8 13. Kd8 14. Ke8 15. Kf8 Kd7=
play all

Rosalie Fay: Solution: 1 Kh7 2 Kg6 3 Kf5 4 Ke5 5 Kd4 6 Kc3 7 Kb4 8 Ka5 9 Ka6 10 Ka7 11 Kb8 12 Kc8 13 Kd8 14 Ke8 15 Kf8 Kd7= (2023-12-13)
comment

Keywords: Seriesmover, Move Length Record, Rex solus (s), Miniature, Königswanderung, Ideal stalemate
Genre: Fairies
Computer test: %C+ PY 3.37 am 18.4.1996
FEN: 7k/8/2K2P2/3B4/8/8/8/8
Input: Erich Bartel, 2011-09-19
Last update: Gunter Jordan, 2023-12-14 more...

28 - P1203799
Klaus Funk
K484 Problemkiste (106) 08/1996

(1+2)
ser-h-Symmetrie in 3

1. ... Kc7 2. Ld5 3. Lf7+ Kxf7 SY
play all

HBae: NL 1.Ka7 2.Lh1 3.Ka8 Kg7 sy. Symmetrieachse = a1-h8
siehe BuB zu JS und PK (2023-01-19)
comment

Keywords: Seriesmover, Move Length Record, Aristocrat, Rex solus (w), Symmetrical end position
Genre: Fairies
FEN: b7/1k6/6K1/8/8/8/8/8
Input: Erich Bartel, 2011-10-03
Last update: A.Buchanan, 2019-08-03 more...

29 - P1203800
Jan Kubecka
1502 Problemkiste (37) 04/1986

(2+2)
ser-h-SY 7

1.-5.d1L 7.Lh3+ Dg2+
play all

HBae: Dual ... 5.d1=S 6.S×f2 7.Sg4 Ke2 sy. Symmetrieachse = h1-a8.
siehe BuB zu JS und PK (2023-01-19)
comment

Keywords: Seriesmover, Move Length Record
Genre: Fairies
FEN: 8/3p4/8/8/8/8/5Q2/5K1k
Input: Erich Bartel, 2011-10-03
Last update: Erich Bartel, 2011-10-03 more...

30 - P1205861
Romeo Bedoni
R27 Phénix 27 (47) 09/1994

(1+2)
Ser-+9
Anticirce

1. Ka7 8. Kf8 9. Ke8+
play all

Arnold Beine: Mit Typ Cheylan korrekt, mit Typ Calvet unlösbar. (2022-08-09)
comment

Keywords: Circe (Anti-), Seriesmover, Move Length Record
Genre: Fairies
FEN: 1K6/3k4/8/3b4/8/8/8/8
Reprints: C7 Problemkiste (169) 02/2007
Input: Hans Gruber, 2011-10-09
Last update: Erich Bartel, 2012-02-24 more...

31 - P1205866
Romeo Bedoni
R32 Phénix 27 (47) 09/1994

(2+2) C+
Ser-#10
Anticirce

3. exf6[Bf2] 8. f8=T 9. Te8 10. Kc6#
play all

Arnold Beine: Mit Typ Cheylan korrekt, mit Typ Calvet unlösbar. (2022-08-09)
comment

Keywords: Circe (Anti-), Seriesmover, Move Length Record, Kindergarten Problem
Genre: Fairies
Computer test: %C+ PY 3.21 am 17.12.1994
FEN: 8/3k4/5p2/1K6/8/8/4P3/8
Input: Hans Gruber, 2011-10-09
Last update: Erich Bartel, 2012-02-20 more...

32 - P1205873
Romeo Bedoni
R39 Phénix 27 (47) 09/1994

(2+1) C+
Ser-S+6
Anticirce

5. h8=D+ 6. Dh2 Ke1+
play all

Arnold Beine: Mit Typ Cheylan korrekt, mit Typ Calvet unlösbar. (2022-08-09)
comment

Keywords: Circe (Anti), Seriesmover, Move Length Record
Genre: Fairies
Computer test: %C+ PY 3.21 am 21.12.1994
FEN: 8/8/8/8/8/8/3K3P/5k2
Input: Hans Gruber, 2011-10-09
Last update: Erich Bartel, 2012-08-08 more...

33 - P1205881
Romeo Bedoni
R51 Phénix 27 (47) 09/1994

(2+2)
Ser-H+8
Anticirce

1. Kc2 8. Kf8 Ke8+
play all

Arnold Beine: Mit Typ Cheylan korrekt, mit Typ Calvet unlösbar. (2022-08-09)
comment

Keywords: Circe (Anti-), Seriesmover, Move Length Record
Genre: Fairies
Computer test: %C+ PY 3.21 am 21.12.1994
FEN: 8/3K1p2/5P2/8/8/8/8/1k6
Input: Hans Gruber, 2011-10-09
Last update: Erich Bartel, 2012-05-30 more...

34 - P1208987
Jörg Varnholt
K214 Problemkiste 100 08/1995

(2+1) C+
ser-++9
Anticirce Cheylan

1. b4 2. b5 3. b6 4. b7 5. b8=L 6. Lg3 7. Le1 8. Ke8 9. Lb4++
play all

Arnold Beine: Typ Cheylan ergänzt, mit Calvet unlösbar. (2022-10-28)
comment

Keywords: Circe ((Anti-)), Seriesmover, Move Length Record, Kindergarten Problem, Minimal, Miniature
Genre: Fairies
Computer test: Jacobi
FEN: 5k2/3K4/8/8/8/8/1P6/8
Reprints: C20 Problemkiste (169) 02/2007
Input: Hans Gruber, 2011-10-09
Last update: Arnold Beine, 2022-10-28 more...

35 - P1214142
Günter Glaß
1417 Problemkiste (35) 01/1986

(3+1)
ser-s-Symmetrie in 4

1. Kc2 2. Kb3 3. Ka4 4. De8+ Kxe8
play all

HBae: NL 1.Dc8 2.Ta6 3.Kc2 4.Kb3 Kf7 sy. Symmetrieachse = h1-a8.
siehe BuB zu JS und PK (2023-01-19)
comment

Keywords: Seriesmover, Move Length Record, Aristocrat, Rex solus (s), Symmetrical end position
Genre: Fairies
FEN: 6Q1/4k3/2R5/8/8/8/8/3K4
Input: Erich Bartel, 2011-10-18
Last update: A.Buchanan, 2019-08-03 more...

36 - P1214143
Jan Kubecka
1445 Problemkiste (36) 02/1986

(3+1)
ser-s-Symmetrie in 6

1. Dg4 2. Kd7 3. Kc6 4. Kb5 5. Ka4 6. Dd1+ Kxd1
play all

HBae: NL 1.Ke7 4.Kc4 5.Lb2 6.Dd3+ K×b2 sy. Symmetrieachse = a1-h8.
siehe BuB zu JS und PK (2023-01-19)
comment

Keywords: Seriesmover, Move Length Record, Aristocrat, Rex solus (s), Symmetrical end position
Genre: Fairies
FEN: 4K3/3Q4/8/8/3B4/8/2k5/8
Input: Erich Bartel, 2011-10-18
Last update: A.Buchanan, 2019-08-03 more...

37 - P1214712
Günter Glaß
1446a Problemkiste (36) 02/1986

(3+1)
ser-s-Symmetrie in 6

1. Kb2 2. Kc3 3. Kd4 4. Ke5 5. Kf6 6. Kg7 Kxd7
play all

HBae: NL (Kurzlösung) 1.Td4 2.Se5 3.Sg6 Kf7 sy. Symmetrieachse = a1-h8.
siehe BUB zu JS und PK (2023-01-19)
comment

Keywords: Seriesmover, Move Length Record, Rex solus (s), Aristocrat, Symmetry (in n moves)
Genre: Fairies
FEN: 4k3/3R4/8/8/6N1/8/8/K7
Input: Erich Bartel, 2011-10-19
Last update: Alfred Pfeiffer, 2019-08-31 more...

38 - P1216638
Regine Stroblers
Branko Koludrovic
Milos Tomasevic
Radovan Tomasevic
166 Problemkiste (57) 07/1988

(1+4) C+
ser-Rückkehr in 32

1. Ke5 2. Kf4 3. Ke3 4. Kd2 5. Kc1 6. Kb2 7. Ka3 8. Ka4 9. Ka5 10. Kb6 11. Ka7 12. Kb8 13. Kc8 14. Kd8 15. Ke8 16. Ke8xf8 17. Ke8 18. Kd8 19. Kc8 20. Kb8 21. Ka7 22. Kb6 23. Ka5 24. Ka4 25. Ka3 26. Kb2 27. Kc1 28. Kd2 29. Ke3 30. Kf4 31. Ke5 32. Ke6
play all

rasatom: Radovan Tomasevic is also a co-author. (2023-10-09)
comment

Keywords: Seriesmover, Move Length Record, Rex solus (w), Alleinunterhalter, Durbar Theme
Genre: Fairies
Computer test: %C+ PY 3.42 am 9.11.1996
FEN: 5n2/1p5q/4K3/8/2k5/8/8/8
Reprints: 115 398 Zuglängenrekorde im Serienzüger 2003
Input: Erich Bartel, 2011-11-02
Last update: James Malcom, 2023-10-10 more...

39 - P1224165
Milos Tomasevic
Radovan Tomasevic
181 Problemkiste (57) 07/1988

(2+12) C+
ser-Platzwechsel in 110

1. Kf1-e1 2. Ke1-d1 3. Kd1-c1 4. Kc1-b1 5. Kb1-a2 6. Ka2-b3 7. Kb3-a4 8. Ka4-b5 9. Kb5-a6 10. Ka6-b7 11. Kb7-c8 12. Kc8-d8 13. Kd8-e8 14. Ke8-f7 15. Kf7-g8 16. Kg8-h7 17. Kh7-h6 18. Kh6xg5 19. Kg5-h6 20. Kh6-h7 21. Kh7-g8 22. Kg8-f7 23. Kf7-e8 24. Ke8-d8 25. Kd8-c8 26. Kc8-b7 27. Kb7-a6 28. Ka6-b5 29. Kb5-a4 30. Ka4-b3 31. Kb3-a2 32. Ka2-b1 33. Kb1-c1 34. Kc1-d1 35. Kd1-e1 36. Ke1-f1 37. Kf1xg1 38. Kg1-f1 39. Kf1-e1 40. Ke1-d1 41. Kd1-c1 42. Kc1-b1 43. Kb1-a2 44. Ka2-b3 45. Kb3-a4 46. Ka4-b5 47. Kb5-a6 48. Ka6-b7 49. Kb7-c8 50. Kc8-d8 51. Kd8-e8 52. Ke8-f7 53. Kf7-g8 54. Kg8-h7 55. Kh7-h6 56. Kh6-g5 57. Kg5-g4 58. Kg4xh3 59. Kh3xh4 60. Kh4-g5 61. Kg5-h6 62. Kh6-h7 63. Kh7-g8 64. Kg8-f7 65. Kf7-e8 66. Ke8-d8 67. Kd8-c8 68. Kc8-b7 69. Kb7-a6 70. Ka6-b5 71. Kb5-a4 72. Ka4-b3 73. Kb3-a2 74. Ka2-b1 75. Kb1-c1 76. Kc1-d1 77. Kd1-e1 78. Ke1-f1 79. Kf1-g1 80. Kg1xh1 81. Kh1-g1 82. Kg1-f1 83. Kf1-e1 84. Ke1-d1 85. Kd1-c1 86. Kc1-b1 87. Kb1-a2 88. Ka2-b3 89. Kb3-a4 90. Ka4-b5 91. Kb5-a6 92. Ka6-b7 93. Kb7-c8 94. Kc8-d8 95. Kd8-e8 96. Ke8-f7 97. Kf7-g8 98. Kg8-h7 99. Kh7-h6 100. Kh6-g5 101. Kg5-g4 102. Kg4xf3 103. Kf3-g2 104. f2-f4 105. f4-f5 106. f5-f6 107. f6-f7 108. f7-f8=T 109. Tf8-f1 110. Kg2-f2
play all

Duplicate Diagram: P1216618

rasatom: Length record with 14 figures.
Highest coefficient for serial problems, Q = N / F = 110/14 = 7.86. N- number of moves, F- number of figures. (2022-04-26)
comment

Keywords: Seriesmover, Move Length Record, Minimal
Genre: Fairies
Computer test: %Popeye FreeBSD-4.3-RELEASE-32Bit-Version 3.75
FEN: 8/3p4/1p1q2p1/4b1r1/7n/3k1p1r/5P2/5Knb
Reprints: 142 398 Zuglängenrekorde im Serienzüger 2003
Input: Erich Bartel, 2011-11-08
Last update: Alfred Pfeiffer, 2016-07-08 more...

40 - P1224265
Bogoljub Trifunovic
Mat (Belgrade) 08-10/1987

(7+2) C+
ser-h=55

1. Kc8 2. Kd8 3. Ke8 4. Kf8 5. Kg8 6. Kh7 7. Kh6 8. Kh5 9. Kg4 10. Kf3 11. Ke2 12. Kd1 13. Kc2 14. Kc3 15. Kb4 16. Kb5 17. Kxa6 18. Kb5 19. Kb4 20. Kc3 21. Kc2 22. Kd1 23. Ke2 24. Kf3 25. Kg4 26. Kh5 27. Kh6 28. Kh7 29. Kg8 30. Kf8 31. Ke8 32. Kd8 33. Kc8 34. Kb8 35. Kxa8 36. Kb8 37. Kc8 38. Kd8 39. Ke8 40. Kf8 41. Kg8 42. Kh7 43. Kh6 44. Kh5 45. Kg4 46. Kf3 47. Ke2 48. Kd1 49. Kc2 50. Kc3 51. Kb4 52. Kb5 53. Kxc6 54. Kd5 55. c6 Lc5=
play all

more ...
comment

Keywords: Seriesmover, Move Length Record, Minimal
Genre: Fairies
Computer test: Gustav 4.1d
FEN: Bk6/2p5/RBP2K2/8/8/1N1P4/8/8
Input: Erich Bartel, 2011-11-09
Last update: Arnold Beine, 2022-11-16 more...

41 - P1224273
Milos Tomasevic
Radovan Tomasevic
56 Mat (Belgrade) 01-02/1989

(13+3) C+
ser-h=100

1. Kd8 2. Ke8 3. Kf8 4. Kg7 5. Kg6 6. Kh5 7. Kg4 8. Kh3 9. Kg2 10. Kf1 11. Ke1 12. Kd1 13. Kc2 14. Kb2 15. Ka3 16. Kxb4 17. Ka3 18. Kb2 19. Kc2 20. Kd1 21. Ke1 22. Kf1 23. Kg2 24. Kh3 25. Kg4 26. Kh5 27. Kg6 28. Kg7 29. Kf8 30. Ke8 31. Kd8 32. Kc8 33. Kxb8 34. Kc8 35. Kd8 36. Ke8 37. Kf8 38. Kg7 39. Kg6 40. Kh5 41. Kg4 42. Kh3 43. Kg2 44. Kf1 45. Ke1 46. Kd1 47. Kc2 48. Kb2 49. Ka3 50. Kb4 51. Kb5 52. Kxa6 53. Kxa5 54. Kb4 55. Ka3 56. Kb2 57. Kc2 58. Kd1 59. Ke1 60. Kf1 61. Kg2 62. Kh3 63. Kg4 64. Kh5 65. Kg6 66. Kg7 67. Kf8 68. Ke8 69. Kd8 70. Kc8 71. Kb8 72. Kxa8 73. Kb8 74. Kc8 75. Kd8 76. Ke8 77. Kf8 78. Kg7 79. Kg6 80. Kh5 81. Kg4 82. Kh3 83. Kg2 84. Kf1 85. Ke1 86. Kd1 87. Kc2 88. Kb2 89. Ka3 90. Kb4 91. Kb5 92. Kxc6 93. Kxd6 94. Kc7 95. Kd8 96. Ke8 97. Kf8 98. Kg7 99. Kg6 100. Kh5 Kf5=
play all

more ...
comment

Keywords: Seriesmover, Move Length Record
Genre: Fairies
Computer test: Gustav 4.1d
FEN: BNk5/4p3/R1PPPp2/N7/1R2K3/1P2Q1P1/4P3/8
Input: Erich Bartel, 2011-11-10
Last update: Arnold Beine, 2022-11-09 more...

42 - P1224463
Milos Tomasevic
Radovan Tomasevic
195c Problemkiste (59) 11/1988

(2+15) C+
ser-Rückkehr in 113

1. Kc2 2. Kb1 3. Ka2 4. Ka3 5. Kb4 6. Ka5 7. Ka6 8. Kb7 9. Kc8 10. Kd8 11. Ke8 12. Kf8 13. Kg8 14. Kxh8 15. Kh7 16. Kg6 17. Kh5 18. Kxg4 19. Kh5 20. Kg6 21. Kh7 22. Kg8 23. Kf8 24. Ke8 25. Kd8 26. Kc8 27. Kb7 28. Ka6 29. Ka5 30. Kb4 31. Ka3 32. Ka2 33. Kb1 34. Kc2 35. Kd1 36. Ke1 37. Kf1 38. Kxg1 39. Kf1 40. Ke1 41. Kd1 42. Kc2 43. Kb1 44. Ka2 45. Ka3 46. Kb4 47. Ka5 48. Ka6 49. Kb7 50. Kc8 51. Kd8 52. Ke8 53. Kf8 54. Kg8 55. Kh7 56. Kg6 57. Kh5 58. Kg4 59. Kxh3 60. Kg4 61. Kh5 62. Kg6 63. Kh7 64. Kg8 65. Kf8 66. Ke8 67. Kd8 68. Kc8 69. Kb7 70. Ka6 71. Ka5 72. Kb4 73. Ka3 74. Ka2 75. Kb1 76. Kc2 77. Kd1 78. Ke1 79. Kf1 80. Kg1 81. Kxh1 82. Kg1 83. Kf1 84. Ke1 85. Kd1 86. Kc2 87. Kb1 88. Ka2 89. Ka3 90. Kb4 91. Ka5 92. Ka6 93. Kb7 94. Kc8 95. Kd8 96. Ke8 97. Kf8 98. Kg8 99. Kh7 100. Kg6 101. Kh5 102. Kg4 103. Kxf3 104. Ke2 105. f4 106. fxe5 107. Kxe3 108. Kd4 109. Kc5 110. Kxc6 111. Kxb5 112. Kxc4 113. Kc4-d3
play all

rasatom: b) - Sh8 and ser-Rückkehr in 112
c) - Pc6 in b) and ser-Rückkehr in 111 (2023-10-09)
comment

Keywords: Seriesmover, Move Length Record, Minimal
Genre: Fairies
Computer test: %C+ PY 3.42 am 14.11.1996
FEN: 7n/6p1/2p1k3/1p2q1p1/2p3rp/3Kbp1r/5P2/6nb
Reprints: 127 398 Zuglängenrekorde im Serienzüger 2003
Input: Frank Müller, 2011-11-12
Last update: Alfred Pfeiffer, 2016-07-15 more...

43 - P1224493
Alexandar A. Atanasijevic
11795 British Chess Magazine 1982
2. ehrende Erwähnung

(2+5) C+
ser-s=49

1. Ke8 2. e3-e4 3. e5 4. e6 5. Kd7 6. Kd6 7. Kd5 8. e7 9. e8=D 10. De6 11. Kd6 12. Kd7 13. Ke8 14. Df7 15. Kf8 16. Kg8 17. Dg6 18. Kh7 19. Kh6 20. Kh5 21. Dg5 22. Kh4 23. Kg3 24. Df4 25. Df2 26. Kg2 27. Kf1 28. Ke1 29. Ke1xd1 30. Ke1 31. Kf1 32. Kg2 33. Kg3 34. Df4 35. Dg5 36. Kh4 37. Kh5 38. Dg6 39. Kh6 40. Kh7 41. Kg8 42. Df7 43. Kf8 44. Ke8 45. De6 46. Kd7 47. Kd6 48. Kd5 49. De3+ Kxe3=
play all

paul: Tested also with Gustav, brute force. (2022-10-15)
comment

Keywords: Seriesmover, Move Length Record, Minimal
Genre: Fairies
Computer test: %C+ PY 3.43 am 11.2.1997
FEN: 8/3K4/5q2/5b2/8/3kP3/2r5/3n4
Reprints: XXVI Phénix 3, p. 259, 12/1988
L Problemkiste 63 06/1989
170 Phénix 14, p. 1345, 09/1991
398 Zuglängenrekorde im Serienzüger 2003
Input: Erich Bartel, 2011-11-12
Last update: Alfred Pfeiffer, 2016-08-02 more...

44 - P1224737
Milos Tomasevic
Radovan Tomasevic
9 Problemkiste (77) 10/1991

(3+11) C+
ser-s=87

1. Kc8 2. Kb8 3. Ka7 4. Kb6 5. Ka5 6. Kb4 7. Kc3 8. Kd2 9. Ke3 10. Kf3 11. Kg4 12. Kf5 13. Kxe6 14. Kf5 15. Kg4 16. Kf3 17. Ke3 18. Kd2 19. Kc3 20. Kb4 21. Ka5 22. Kb6 23. Ka7 24. Kb8 25. Kc8 26. Kd8 27. Kxe8 28. Kd8 29. Kc8 30. Kb8 31. Ka7 32. Kb6 33. Ka5 34. Kb4 35. Kc3 36. Kd2 37. Ke3 38. Kf3 39. Kg4 40. Kf5 41. Kxg6 42. Kf5 43. Kg4 44. Kf3 45. Ke3 46. Kd2 47. Kc3 48. Kb4 49. Ka5 50. Kb6 51. Ka7 52. Kb8 53. Kc8 54. Kd8 55. Ke8 56. Kxf8 57. Ke8 58. Kd8 59. Kc8 60. Kb8 61. Ka7 62. Kb6 63. Ka5 64. Kb4 65. Kc3 66. Kd2 67. Ke3 68. Kf3 69. Kg4 70. Kf5 71. Ke6 72. Kxd6 73. Kxe5 74. Kd6 75. e5 76. e6 77. e7 78. Kd7 79. Ke8 80. Kf8 81. e8=D 82. Df7 83. Ke7 84. Kf6 85. Kg6 86. Dxf2 87. Df8+ Dxf8=
play all

more ...
comment

Keywords: Seriesmover, Move Length Record
Genre: Fairies
Computer test: Gustav 4.2a
FEN: 3Kbb1k/1p5r/3pr1n1/4p1P1/4P3/8/5p2/5q2
Input: Erich Bartel, 2011-11-14
Last update: Arnold Beine, 2022-11-17 more...

45 - P1225028
Milos Tomasevic
Radovan Tomasevic
T36 Problemkiste (83) 10/1992

(8+14) C+
ser-sx 126

1. Kd8 2. Kc8 3. Kb8 4. Ka7 5. Ka6 6. Ka5 7. Ka4 8. Ka3 9. Ka2 10. Ka1 11. La2 12. Kb1 13. Kc1 14. Kd1 15. Kxe2 16. Kd1 17. Kc1 18. Kb1 19. Ka1 20. Lb1 21. Ka2 22. Ka3 23. Ka4 24. Ka5 25. Ka6 26. Ka7 27. Kb8 28. Kc8 29. Kd8 30. Kxe8 31. Kd8 32. Kc8 33. Kb8 34. Ka7 35. Ka6 36. Ka5 37. Ka4 38. Ka3 39. Ka2 40. Ka1 41. La2 42. Kb1 43. Kc1 44. Kd1 45. Ke2 46. Kf1 47. Kg2 48. Kh3 49. Kh4 50. Kxh5 51. Kh4 52. Kh3 53. Kg2 54. Kf1 55. Ke2 56. Kd1 57. Kc1 58. Kb1 59. Ka1 60. Lb1 61. Ka2 62. Ka3 63. Ka4 64. Ka5 65. Ka6 66. Ka7 67. Kb8 68. Kc8 69. Kd8 70. Ke7 71. Kxf6 72. Ke7 73. Kd8 74. Kc8 75. Kb8 76. Ka7 77. Ka6 78. Ka5 79. Ka4 80. Ka3 81. Ka2 82. Ka1 83. La2 84. Kb1 85. Kc1 86. Kd1 87. Ke2 88. Kf1 89. Kg2 90. Kh3 91. Kh4 92. Kh5 93. Kxh6 94. Kh5 95. Kh4 96. Kh3 97. Kg2 98. Kf1 99. Ke2 100. Kd1 101. Kc1 102. Kb1 103. Ka1 104. Lb1 105. Ka2 106. Ka3 107. Ka4 108. Ka5 109. Ka6 110. Ka7 111. Kb8 112. Kc8 113. Kd8 114. Ke7 115. Kf6 116. Kxf5 117. Kxf4 118. Ke5 119. f4 120. f5 121. f6 122. f7 123. fxg8=D 124. Dxf8 125. Db8 126. Db5+ Kxb5
play all

rasatom: The author is only Radovan M. Tomasevic. (2023-10-12)
more ...
comment

Keywords: Seriesmover, Move Length Record
Genre: Fairies
Computer test: C+ PY 3.43 am 13.2.1997
FEN: 4bnq1/2p1K3/2k2r1b/5p1n/1P1P1p2/1PpP1Pp1/2P1rp2/1B6
Reprints: KS14A ChessProblems.ca Bulletin 2, p. 42, 06/2014
Input: Erich Bartel, 2011-11-16
Last update: Arno Tüngler, 2019-12-10 more...

46 - P1226055
Branko Koludrovic
K1271 Problemkiste (120) 12/1998

(15+8) C+
ser-h#113
Circe

1. Kb8 2. Kc7 3. Kd8 4. Ke8 5. Kf8 6. Kg8 7. Kh7 8. Kg6 9. Kg5 10. Kf4 11. Kf3 12. Kf2 13. Kg1 14. Kxh2 15. Kg3 16. Kf4 17. Kg5 18. Kg6 19. Kh7 20. Kg8 21. Kf8 22. Ke8 23. Kd8 24. Kc7 25. Kb8 26. Kxa7[+wSg1] 27. Kb8 28. Kc7 29. Kd8 30. Ke8 31. Kf8 32. Kg8 33. Kh7 34. Kg6 35. Kg5 36. Kf4 37. Kg3 38. Kf2 39. Ke1 40. Kd1 41. Kc2 42. Kb1 43. Kxa2[+wTh1] 44. Kb1 45. Kc2 46. Kd1 47. Ke1 48. Kf2 49. Kg3 50. Kf4 51. Kg5 52. Kg6 53. Kh7 54. Kg8 55. Kf8 56. Ke8 57. Kd8 58. Kc7 59. Kb8 60. Ka7 61. Ka6 62. Kxa5[+wBa2] 63. Ka6 64. Ka7 65. Kb8 66. Kc7 67. Kd8 68. Ke8 69. Kf8 70. Kg8 71. Kh7 72. Kg6 73. Kg5 74. Kf4 75. Kg3 76. Kf2 77. Ke1 78. Kd1 79. Kc2 80. Kb1 81. Kxa2 82. Kb1 83. Kc2 84. Kd1 85. Ke1 86. Kf2 87. Kg3 88. Kf4 89. Kg5 90. Kg6 91. Kh7 92. Kg8 93. Kf8 94. Ke8 95. Kd8 96. Kc7 97. Kb8 98. Ka7 99. Ka6 100. Ka5 101. Kxb4[+wTa1] 102. Kb3 103. Kc2 104. Kd1 105. Ke1 106. Kf2 107. Kg3 108. Kf4 109. Kg5 110. Kg6 111. Kh7 112. Kg8 113. Kf8 Ta8#
play all

more ...
comment

Keywords: Seriesmover, Move Length Record, Circe, Alleinunterhalter
Genre: Fairies
Computer test: Alybadix
FEN: k7/Np3p2/1Npp1P1p/P1PpP3/1R1K3p/3P3B/RP1P3P/2B5
Input: Erich Bartel, 2011-11-30
Last update: Arnold Beine, 2022-11-18 more...

47 - P1227536
Milos Tomasevic
Radovan Tomasevic
K815 Problemkiste (130) 08/2000

(13+10) cooked
ser-r+56
b) -sBg7: ser-r+55

a) 1. h4 2. h5 3. h6 4. h7 5. h8=L 6. Lxg7 7. Lc3 8. Lb4 9. Tb1 10. Tb3 11. Tg3 12. Lc3 13. Lcf6 14. Tf3 15. g3 16. Lh3 17. Lxg4 18. Lh5 19. g4 20. g5 21. g6 22. gxf7 23. f8=S 24. Le8 25. Tf1 26. Te1 27. Ld4 28. Sfe6 29. Sxc5 30. Lc3 31. Lb4 32. S5xa6 33. Sc5 34. a6 35. La5 36. Lb6 37. Lxa7 38. Lb6 39. a7 40. a8=T 41. Ta5 42. Tb5 43. a5 44. a6 45. a7 46. a8=T 47. Ta4 48. Tab4 49. a4 50. a5 51. a6 52. a7 53. a8=T 54. Ta3 55. Tab3 56. Da8 Txa8+
Cook: 28. Lxc5 29. Lxa7 30. Ld4 31. Sfe6 32. Sc5 33. Lc3 34. Lb4 35. S5xa6 36. Sc5 37. a6 38. a7 39. a8=S 40. Sb6 41. a5 42. a6 43. a7 44. a8=T 45. Ta5 46. Tb5 47. a4 48. a5 49. a6 50. a7 51. a8=T 52. Ta3 53. Tb3 54. Da8 Txa8+

b) 1. h4 2. h5 3. h6 4. h7 5. h8=L 6. Lc3 7. Lb4 8. Tb1 9. Tb3 10. Tg3 11. Lc3 12. Lcf6 13. Tf3 14. g3 15. Lh3 16. Lxg4 17. Lh5 18. g4 19. g5 20. g6 21. gxf7 22. f8=S 23. Le8 24. Tf1 25. Te1 26. Ld4 27. Sfe6 28. Sxc5 29. Lc3 30. Lb4 31. S5xa6 32. Sc5 33. a6 34. La5 35. Lb6 36. Lxa7 37. Lb6 38. a7 39. a8=T 40. Ta5 41. Tb5 42. a5 43. a6 44. a7 45. a8=T 46. Ta4 47. Tab4 48. a4 49. a5 50. a6 51. a7 52. a8=T 53. Ta3 54. Tab3 55. Da8 Txa8+
play all

Cook: NL
b) 27. Lxc5 28. Lxa7 29. Ld4 30. Sfe6 31. Sc5 32. Lc3 33. Lb4 34. S5xa6 35. Sc5 36. a6 37. a7 38. a8=S 39. Sb6 40. a5 41. a6 42. a7 43. a8=T 44. Ta5 45. Tb5 46. a4 47. a5 48. a6 49. a7 50. a8=T 51. Ta3 52. Tb3 53. Da8 Txa8+

rasatom: Milos wrote down every problem in his notebooks. He crossed out this problem in 2001 because he found that they were cooked. (2022-04-27)
more ...
comment

Keywords: Seriesmover, Move Length Record
Genre: Fairies
FEN: 1QKB4/pPNP1pp1/p1k5/P1p5/P5p1/P7/r3p1PP/R2b1B2
Input: Erich Bartel, 2011-12-19
Last update: Alfred Pfeiffer, 2017-03-16 more...

48 - P1228076
Dmitri Baibikow
A20 Length Records in Last Single Moves? 04/2009

(10+10)
Last 28 single moves?

n-14... b7-b6 n-13.f2-f3 Bc8-b7 n-12.f3-f4 Bb7-f3 n-11.f4-f5 Bf3-g4 n-10.f5-f6 Bg4-h3 n-9.g2xBh3 g3-g2 n-8.h3-h4 g2-g1=R n-7.h4-h5 Rg1-g4 n-6.Na4-c5+ Rg4-a4 n-5.Nc5-e6 f7xNe6 n-4.f6-f7 e6-e5 n-3.f7-f8=N e5-e4 n-2.Nf8-g6 e4-e3 n-1.Ng6-e7 e3-e2 n.Ne7-g8
play all

Highest number of retro moves with 20 pieces.
See http://abrobecker.free.fr/chess/lengths.pdf
Hans-Jürgen Manthey: R: 1. Se7-g8 e3-e2 2. Sg6-e7 e4-e3 3. Sf8-g6 e5-e4 4. f7-f8=S e6-e5 5. f6-f7 f7xSe6 6. Sc5-e6 Tg4-a4 7. Sa4-c5+ Tg1-g4 8. h4-h5 g2-g1=T 9. h3-h4 g3-g2 10. g2xLh3 Lg4-h3 11. f5-f6 Lf3-g4 12. f4-f5 Lb7-f3 13. f3-f4 Lc8-b7 14. f2-f3 b7-b6 und weiter könnte folgen 15. b6xTa7 g4-g3 16. c5xSb6 Sd5-b6 17. d4xTc5 Tc6-c5 18. e3xDd4 Kb6-a5 19. Sc5-a4+ g5-g4 20. Ta4-a3 Dh8-d4 21. Td4-a4 Dd8-h8 22. Se4-c5 Tg6-c6 23. Sd2-e4 Kc6-b6 24. a5-a6 Kd6-c6 25. Sf3-d2 a6xLb5 26. Td1-d4 Ke7-d6 27. Th1-d1 Tg8-g6 28. Sg1-f3 Th8-g8 29. Lf1-b5 Sf6-d5 30. Kc4-b3 Sg8-f6 31. Kd3-c4 Sb6-a8 32. Ke2-d3 Sd5-b6 33. Ke1-e2 Sb4-d5 34. e2-e3 Sc6-b4 35. a4-a5 b3xTa2 36. Ta1-a2 Sb8-c6 37. a2-a4 c4xDb3 38. Db6-b3 Ke8-e7 39. Dd6-b6 Ta8-a7 40. Dd1-d6 d5xSc4 41. Se3-c4 d6-d5 42. Sd5-e3 e7xLd6 43. Lf4-d6 a7-a6 44. Lc1-f4 g6-g5 45. d2xLc3 Lg7-c3 46. Sb6-d5 Lh6-g7 47. Sa4-b6 Lf8-h6 48. Sc3-a4 g7-g6 49. Sb1-c3 (2021-07-23)
comment

Keywords: Last Moves? (28), Type A, Move Length Record
Genre: Retro
FEN: n5N1/P1pp3p/Pp6/kp5P/r7/RKP5/pPP1p2P/8
Reprints: A20 Phénix 282, p. 11061, 02/2018
Input: Alain Brobecker, 2011-12-27
Last update: A.Buchanan, 2020-05-01 more...

49 - P1229917
Milos Tomasevic
Radovan Tomasevic
K1012 Problemkiste (135) 06/2001

(5+15) C+
ser-r#111

1. Ke1 2. Kd1 3. Kc1 4. Kb1 5. Ka2 6. Ka3 7. Ka4 8. Ka5 9. Ka6 10. Ka7 11. Kb8 12. Kc8 13. Kd8 14. Ke8! 15. Kf8 16. Kg8 17. Kh7 18. Kh6 19. Kh5 20. Kxg4 21. Kh5 22. Kh6 23. Kh7 24. Kg8 25. Kf8 26. Ke8! 27. Kd8 28. Kc8 29. Kb8 30. Ka7 31. Ka6 32. Ka5 33. Ka4 34. Ka3 35. Ka2 36. Kb1 37. Kc1 38. Kd1 39. Ke1 40. Kf1 41. Kxg1 42. Kf1 43. Ke1 44. Kd1 45. Kc1 46. Kb1 47. Ka2 48. Ka3 49. Ka4 50. Ka5 51. Ka6 52. Ka7 53. Kb8 54. Kc8 55. Kd8 56. Ke8! 57. Kf8 58. Kg8 59. Kh7 60. Kh6 61. Kh5 62. Kg4 63. Kxh3 64. Kg4 65. Kh5! 66. Kh6 67. Kh7 68. Kg8 69. Kf8 70. Ke8! 71. Kd8 72. Kc8 73. Kb8 74. Ka7 75. Ka6 76. Ka5 77. Ka4 78. Ka3 79. Ka2 80. Kb1 81. Kc1 82. Kd1 83. Ke1 84. Kf1 85. Kg1 86. Kxh1 87. Kg1 88. Kf1 89. Ke1 90. Kd1 91. Kc1 92. Kb1 93. Ka2 94. Ka3 95. Ka4 96. Ka5 97. Ka6 98. Ka7 99. Kb8 100. Kc8 101. Kd8 102. Ke8! 103. Kf8 104. Kg8 105. Kh7 106. Kh6 107. Kh5 108. Kg4 109. Kxf3 110. Ke3 111. f3 Ld4#
play all

Anton Baumann: C+ Alybadix (2020-11-12)
comment

Keywords: Seriesmover, Move Length Record
Genre: Fairies
FEN: B6n/1Pp5/2k5/2ppb1p1/2p3rp/3p1p1r/3P1P2/5Knb
Input: Erich Bartel, 2012-01-10
Last update: Vaclav Kotesovec, 2021-03-20 more...

50 - P1231344
Milos Tomasevic
Radovan Tomasevic
145 Problemkiste (57) 07/1988

(3+15)
ser-=120

1. Ke1 2. Kd1 3. Kc1 4. Kb1 5. Ka2 6. Ka3 7. Ka4 8. Kb5 9. Ka6 10. Kb7 11. Kc8 12. Kd8 13. Ke8 14. Kf7 15. Kg8 16. Kh7 17. Kh6 18. Kxg5 19. Kh6 20. Kh7 21. Kg8 22. Kf7 23. Ke8 24. Kd8 25. Kc8 26. Kb7 27. Ka6 28. Kb5 29. Ka4 30. Ka3 31. Ka2 32. Kb1 33. Kc1 34. Kd1 35. Ke1 36. Kf1 37. Kxg1 38. Kf1 39. Ke1 40. Kd1 41. Kc1 42. Kb1 43. Ka2 44. Ka3 45. Ka4 46. Kb5 47. Ka6 48. Kb7 49. Kc8 50. Kd8 51. Ke8 52. Kf7 53. Kg8 54. Kh7 55. Kh6 56. Kg5 57. Kg4 58. Kxh3 59. Kxh4 60. Kg5 61. Kh6 62. Kh7 63. Kg8 64. Kf7 65. Ke8 66. Kd8 67. Kc8 68. Kb7 69. Ka6 70. Kb5 71. Ka4 72. Ka3 73. Ka2 74. Kb1 75. Kc1 76. Kd1 77. Ke1 78. Kf1 79. Kg1 80. Kxh1 81. Kg1 82. Kf1 83. Ke1 84. Kd1 85. Kc1 86. Kb1 87. Ka2 88. Ka3 89. Ka4 90. Kb5 91. Ka6 92. Kb7 93. Kc8 94. Kd8 95. Ke8 96. Kf7 97. Kg8 98. Kh7 99. Kh6 100. Kg5 101. Kg4 102. Kxf3 103. Ke2 104. f4 105. f5 106. fxg6 107. g7 108. g8=T 109. Tc8 110. Txc7 111. Txd7 112. Txd6 113. Txd4 114. Ta4 115. d4 116. dxc5 117. cxb6 118. b7 119. b8=D 120. Db1=
play all

Anton Baumann: C+ Gustav 4.2a (2021-11-23)
comment

Keywords: Seriesmover, Move Length Record, Sea Snake
Genre: Fairies
FEN: 8/2pp4/1p1q2p1/p1p3r1/3b3p/2kP1p1r/5P2/5Knb
Input: Erich Bartel, 2012-01-30
Last update: Alfred Pfeiffer, 2017-06-23 more...

51 - P1231354
Milos Tomasevic
Radovan Tomasevic
146 Problemkiste (57) 07/1988

(6+13) C+
ser-=124

1. Ke1 2. Kd1 3. Kc1 4. Kb1 5. Ka1 6. Lb1 7. Ka2 8. Ka3 9. Ka4 10. Ka5 11. Ka6 12. Kb7 13. Kc8 14. Kd8 15. Ke8 16. Kf7 17. Kg7 18. Kh6 19. Kxg5 20. Kh6 21. Kg7 22. Kf7 23. Ke8 24. Kd8 25. Kc8 26. Kb7 27. Ka6 28. Ka5 29. Ka4 30. Ka3 31. Ka2 32. Ka1 33. La2 34. Kb1 35. Kc1 36. Kd1 37. Ke1 38. Kf1 39. Kxg1 40. Kf1 41. Ke1 42. Kd1 43. Kc1 44. Kb1 45. Ka1 46. Lb1 47. Ka2 48. Ka3 49. Ka4 50. Ka5 51. Ka6 52. Kb7 53. Kc8 54. Kd8 55. Ke8 56. Kf7 57. Kg7 58. Kh6 59. Kg5 60. Kg4 61. Kxh3 62. Kxh4 63. Kg5 64. Kh6 65. Kg7 66. Kf7 67. Ke8 68. Kd8 69. Kc8 70. Kb7 71. Ka6 72. Ka5 73. Ka4 74. Ka3 75. Ka2 76. Ka1 77. La2 78. Kb1 79. Kc1 80. Kd1 81. Ke1 82. Kf1 83. Kg1 84. Kxh1 85. Kg1 86. Kf1 87. Ke1 88. Kd1 89. Kc1 90. Kb1 91. Ka1 92. Lb1 93. Ka2 94. Ka3 95. Ka4 96. Ka5 97. Ka6 98. Kb7 99. Kc8 100. Kd8 101. Ke8 102. Kf7 103. Kg7 104. Kh6 105. Kg5 106. Kg4 107. Kxf3 108. Ke4 109. f4 110. f5 111. f6 112. f7 113. f8=L 114. Lg7 115. Lxc3 116. La5 117. c4 118. cxd5 119. dxc6 120. cxd7 121. d8=T 122. Txd6 123. Txg6 124. Tb6=
play all

more ...
comment

Keywords: Seriesmover, Move Length Record, Sea Snake, Excelsior, Promotion (LT)
Genre: Fairies
Computer test: Gustav 4.2a
FEN: 8/3p4/2pq2p1/2kn2r1/7p/1PpP1p1r/B1P2P2/5Knb
Input: Erich Bartel, 2012-01-30
Last update: James Malcom, 2021-12-13 more...

52 - P1231533
Arno Tüngler
11 Problemkiste (80) 04/1992

(4+2)
ser-h-Ze3 in 24

1. ... Kb3 2. Kc4 3. Kd5 4. Ke5 5. Kf6 6. Kxg7 7. Kg6 8. Kh5 9. Kh4 10. Kh3 11. Kh2 12. Kxh1 13. Kh2 14. Kh3 15. Kh4 16. Kh5 17. Kg6 18. h5 19. h4 20. h3 21. h2 22. h1=T 23. Te1 24. Txe3 Kxe3
play all

SCHRECKE: C+, popeye 4.89 (2024-01-07)
comment

Keywords: Seriesmover, Move Length Record, Minimal, Miniature
Genre: Fairies
FEN: 8/6Np/8/8/8/4BK2/k7/7N
Reprints: My problems [Arno Tüngler] , p. R30, 06/2009
Input: Erich Bartel, 2012-02-03
Last update: Arno Tüngler, 2024-01-07 more...

53 - P1231534
Arno Tüngler
12 Problemkiste (80) 04/1992

(5+2)
ser-h-Ze3 in 32

1. ... Kf1 2. Ke1 3. Kd1 4. Kc2 5. Kc3 6. Kb4 7. Kb5 8. Kc6 9. Kd6 10. Kxe6 11. Kf6 12. Kg7 13. Kxh8 14. Kg7 15. Kg6 16. Kh5 17. Kh4 18. Kh3 19. Kh2 20. Kxh1 21. Kh2 22. Kh3 23. Kh4 24. Kh5 25. Kg6 26. h5 27. h4 28. h3 29. h2 30. h1=T 31. Te1 32. Txe3 Kxe3
play all

SCHRECKE: C+, popeye 4.89 (2024-01-29)
comment

Keywords: Seriesmover, Move Length Record, Minimal, Miniature
Genre: Fairies
FEN: 7N/7p/4B3/8/8/4BK2/8/6kN
Reprints: My problems [Arno Tüngler] , p. R31, 06/2009
Input: Erich Bartel, 2012-02-03
Last update: Arno Tüngler, 2024-01-28 more...

54 - P1231536
Arno Tüngler
13 Problemkiste (80) 04/1992

(6+2)
ser-h-Ze3 in 35

1. ... Kb4 2. Kc3 3. Kc2 4. Kd1 5. Ke1 6. Kxf1 7. Ke1 8. Kd1 9. Kc2 10. Kc3 11. Kb4 12. Kb5 13. Kc6 14. Kd6 15. Kxe6 16. Kf6 17. Kg7 18. Kxh8 19. Kg7 20. Kg6 21. Kh5 22. Kh4 23. Kh3 24. Kxh2 25. Kh3 26. Kh4 27. Kh5 28. Kg6 29. h5 30. h4 31. h3 32. h2 33. h1=T 34. Te1 35. Txe3 Kxe3
play all

SCHRECKE: C+, popeye 4.89 (2024-01-29)
comment

Keywords: Seriesmover, Move Length Record, Minimal
Genre: Fairies
FEN: 7N/7p/4B3/k7/8/4BK2/7P/5N2
Reprints: My problems [Arno Tüngler] , p. R32, 06/2009
Input: Erich Bartel, 2012-02-03
Last update: Arno Tüngler, 2024-01-28 more...

55 - P1231539
Kurt Ewald
2996 Problemkiste (81 06/1992

(5+1) C+
ser-h-Rochade in 28
Circe

1. ... Kc2 2. Kd3 3. Ke4 4. Kf5 5. Kg6 6. Kh5 7. Kh4 8. Kh3 9. Kxh2[+wLc1] 10. Kh3 11. Kh4 12. Kh5 13. Kg6 14. Kf5 15. Ke4 16. Kd3 17. Kc2 18. Kxc1 19. Kc2 20. Kd3 21. Ke4 22. Kf5 23. Kg6 24. Kh5 25. Kh4 26. Kh3 27. Kh2 28. Kxg1[+wTa1] 0-0-0
play all

more ...
comment

Keywords: Seriesmover, Move Length Record, Circe, Castling, Miniature, Switchback (k)
Genre: Fairies
Computer test: popeye 4.85
FEN: 8/8/8/6P1/8/8/5P1B/1k2K1R1
Input: Erich Bartel, 2012-02-03
Last update: Arnold Beine, 2021-04-12 more...

56 - P1231684
Zdenek Oliva
K93 Problemkiste (89-90) 10/2003

(9+1)
ser-h-# in 62;
Circe;

1. ... Kc2 2. Kb3 3. Kb4 4. Ka5 5. Ka6 6. Ka7 7. Kb8 8. Kc7 9. Kd8 10. Ke7 11. Kf8 12. Kg7 13. Kg6 14. Kh5 15. Kh4 16. Kh3 17. Kxh2[+wLc1] 18. Kh3 19. Kh4 20. Kh5 21. Kg6 22. Kg7 23. Kf8 24. Ke7 25. Kd8 26. Kc7 27. Kb8 28. Ka7 29. Ka6 30. Ka5 31. Kb4 32. Kb3 33. Kc2 34. Kxc1 35. Kc2 36. Kb3 37. Kb4 38. Ka5 39. Ka6 40. Ka7 41. Kb8 42. Kc7 43. Kd8 44. Ke7 45. Kf8 46. Kg7 47. Kg6 48. Kh5 49. Kh4 50. Kh3 51. Kh2 52. Kxg1[+wTa1] 53. Kg2 54. Kf3 55. Kf4 56. Ke5 57. Kd4 58. Kc5 59. Kxb6[+wSg1] 60. Kc5 61. Kd4 62. Kd3 0-0-0#
play all

more ...
comment

Keywords: Seriesmover, Move Length Record, Circe, Castling
Genre: Fairies
FEN: 8/8/1N1N4/3P2P1/8/8/1P3P1B/2k1K1R1
Input: Erich Bartel, 2012-02-04
Last update: James Malcom, 2024-01-18 more...

57 - P1231833
Branko Koludrovic
K2195 Problemkiste (161) 10/2005

(2+9)
ser-s#53
Circe

1. Kg8 2. h4 3. h5 4. h6 5. h7 6. h8=T 7. Th4 8. Txc4 9. Txb4[+sBb7] 10. Tb3 11. Txa3[+sBa7] 12. Ta6 13. Tc6 14. Txc7[+sLf8] 15. Tc6 16. Tg6 17. Tg7 18. Kh7 19. Kg6 20. Th7 21. Th5 22. Tf5 23. Kg5 24. Kf4 25. Ke4 26. Td5 27. Ke5 28. Ke6 29. Td7 30. Te7 31. Kd7 32. Kd8 33. Te8 34. Txf8 35. Te8 36. Te7 37. Kd7 38. Ke6 39. Td7 40. Td5 41. Ke5 42. Ke4 43. Tf5 44. Kf4 45. Kg5 46. Kh6 47. Tg5 48. Tg7 49. Kh7 50. Kh8 51. Tg6 52. Tc6 53. Tc8+ Txc8[+wTh1]#
play all

paul: Improvement of P1226691. (2015-03-22)
Anton Baumann: C+ Alybadix (2022-03-12)
comment

Keywords: Seriesmover, Move Length Record, Circe, Minimal, Excelsior
Genre: Fairies
FEN: k7/2b2r1K/8/1nr5/1pn5/p1p5/7P/8
Input: Erich Bartel, 2012-02-07
Last update: Alfred Pfeiffer, 2016-08-24 more...

58 - P1232508
Bo Lindgren
Thema Danicum 1991

(2+2) C+
ser-#16;
Circe;

1. g4 2. g5 3. g6 4. g7 5. g8=D 6. Dc4 7. Kc3 8. Kb4 9. Kxc5[+sTh8] 10. Kc6 11. Kd7 12. Ke7 13. Kf7 14. Kg6 15. Kg5 16. Dd5#
play all

paul: The length record is 19 moves by Z. Oliva, P1232454. (2022-07-04)
comment

Keywords: Seriesmover, Move Length Record, Circe, Minimal, Miniature
Genre: Fairies
Computer test: %Popeye UNIX32-Version 3.56
FEN: 8/8/8/2r1k3/8/3K4/6P1/8
Reprints: Springaren (49) 06/1992
Input: Erich Bartel, 2012-02-17
Last update: Arnold Beine, 2022-08-08 more...

59 - P1233307
Zdenek Oliva
K105 Problemkiste 91 02/1994

(1+3)
ser-Zh3 in 12
Platzwechselcirce

1. Kb5 2. Kc6 3. Kd7 4. Ke8 5. Kf8 6. Kg8 7. Kh7 8. Kh6 9. Kxh5[+sBh6] 10. Kh4 11. Kxg4[+sBh4] 12. Kh3
play all

SCHRECKE: C+, popeye 4.89 (2024-01-18)
comment

Keywords: Seriesmover, Move Length Record, Circe (Platzwechsel), Kindergarten Problem, Rex solus (w), Alleinunterhalter, Durbar Theme
Genre: Fairies
FEN: 8/8/5k2/7p/K5p1/8/8/8
Input: Erich Bartel, 2012-02-27
Last update: A.Buchanan, 2024-01-18 more...

60 - P1236974
Unto Heinonen
Z2 Problemkiste (196) 09/2011

(3+2)
ser-++17
Antipodencirce

1. Kf1 2. Ke2 3. Kd3 4. Kc4 5. Kb5 6. Ka6 7. Kxa7[+sBe3] 8. fxe3 9. e4 10. e5 11. e6 12. e7 13. e8=S 14. Sd6 15. Sf7 16. Ld5 17. Sh6++
play all

paul: Jacobi+ (2022-10-08)
comment

Keywords: Seriesmover, Move Length Record, Circe (antipoden), Excelsior, under-promotion (S)
Genre: Fairies
FEN: 6k1/p7/8/8/8/8/5PB1/6K1
Reprints: 1495 Scobs lignea 27/05/2019
Input: Erich Bartel, 2012-04-15
Last update: Erich Bartel, 2019-05-27 more...

61 - P1237027
Unto Heinonen
Z12) Problemkiste (196) 09/2011

(2+3)
ser-s++19
Antipodencirce

1. Kf6 2. h4 3. h5 4. h6 5. hxg7[+sSc3] 6. g8=D 7. Dg4 8. Kg5 9. Kh4 10. Kh3 11. Kh2 12. Kxg1[+sTc5] 13. Kg2 14. Kf3 15. Ke3 16. Kd3 17. Kc2 18. Kc1 19. De2+ Sxe2[+wDa6]++
play all

paul: Tested by Jacobi (2022-10-08)
comment

Keywords: Seriesmover, Move Length Record, Circe (Antipoden), Minimal, Excelsior, Promotion
Genre: Fairies
FEN: 8/6n1/6K1/8/8/8/7P/4k1r1
Reprints: 1505 Scobs lignea 27/05/2019
Input: Erich Bartel, 2012-04-16
Last update: Erich Bartel, 2019-05-27 more...

62 - P1237078
Branko Koludrovic
K3957) Problemkiste (197/198) 12/2011

(2+2) C+
ser-s=31
Längstzüger
weißer Kürzestzüger

1. c3 2. c4 3. c5 4. c6 5. c7 6. c8=D 7. Dc7 8. Dc6 9. Dc5 10. Dd5 11. De5 12. Kf4 13. Ke4 14. Dd5 15. Kd4 16. Kc4 17. Dc5 18. Kb4 19. Kb5 20. Dc6 21. Kb6 22. Kb7 23. Dc7 24. Kb8 25. Kc8 26. Dd7 27. Kd8 28. Ke8 29. De7 30. Df7 31. Dg7+ Kxg7=
play all

more ...
comment

Keywords: Seriesmover, Move Length Record, Maximummer, Minimummer (w), Minimal, Excelsior, Miniature
Genre: Fairies
Computer test: A. Baumann: Alybadix / Juel: Popeye 4.61
FEN: 8/8/3q3k/8/6K1/8/2P5/8
Input: Erich Bartel, 2012-04-17
Last update: Dieter Berlin, 2024-02-13 more...

63 - P1237080
Branko Koludrovic
K3958) Problemkiste (197/198 12/2011

(3+5) C+
ser-s=74
Längstzüger
weißer Kürzestzüger

1. Kg4 2. h4 3. h5 4. h6 5. h7 6. h8=T 7. Th7 8. Th6 9. Th5 10. Th4 11. Th3 12. Tg3 13. Txg2 14. Tg3 15. Th3 16. Th4 17. Th5 18. Tg5 19. Kh4 20. Kh5 21. Tg6 22. Kh6 23. Kh7 24. Tg7 25. Kh8 26. Kg8 27. Tf7 28. Te7 29. Te6 30. Te5 31. Te4 32. Txe3 33. Te4 34. Te5 35. Te6 36. Te7 37. Tf7 38. Kf8 39. Ke8 40. Te7 41. Kd8 42. Kd7 43. Te6 44. Kd6 45. Kd5 46. Te5 47. Kd4 48. Kd3 49. Kd2 50. Kxd1 51. Kd2 52. Kd3 53. Kd4 54. Kd5 55. Te6 56. Kd6 57. Kd7 58. Te7 59. Kd8 60. Ke8 61. Tf7 62. Kf8 63. Kg8 64. Tg7 65. Kh8 66. Kh7 67. Tg6 68. Kh6 69. Kh5 70. Tg5 71. Kh4 72. Kh3 73. Tg4 74. Tf4+ Dxf4=
play all

more ...
comment

Keywords: Seriesmover, Move Length Record, Maximummer, Minimummer
Genre: Fairies
Computer test: A. Baumann: Alybadix
FEN: 8/8/5q2/6K1/8/4r2P/6nP/3n1k2
Input: Erich Bartel, 2012-04-17
Last update: Dieter Berlin, 2024-02-14 more...

64 - P1245453
Maryan Kerhuel
R36 Phénix (35) 11/1995

(2+2) cooked
ser-s=12;
Anticirce

1. Kd5 2. e4 3. e5 4. e6 5. e7 6. e8=D 7. Dd8 8. Kc6 9. Kb7 10. Ka8 11. Dd3 12. Dc2+ Kxc2[+sKe8]=
play all

aber UL:12.-- Kd1!!!!

Arnold Beine: Mit Typ Cheylan unlösbar, mit Typ Calvet nebenlösig, z.B.
1.Kf5 2.e4 3.e5 4.e6 5.e7 6.e8=D 7.Dd8 8.Ke6 9.Kd7 10.Kc8 11.Dd3 12.Dc2+ Kxc2 [sKc2-e8]= (2022-09-22)
comment

Keywords: Seriesmover, Move Length Record, Circe (Anti), Minimal, Miniature
Genre: Fairies
FEN: 8/8/1q6/8/4K3/8/4P3/2k5
Input: Erich Bartel, 2012-07-26
Last update: Arnold Beine, 2022-09-22 more...

65 - P1246860
Theodor Steudel
2130 Problemkiste (59) 11/1988

(1+2)
ser-r-Za6 in 12
Circe

1. Kb7? 2. Ka6!
1. Kb8 2. Kc8 3. Kd8 4. Ke8 5. Kf7 6. Kf6 7. Kg5 8. Kf4 9. Ke3 10. Kd2 11. Kc1 12. Kxb1[+sLc8] La6
play all

SCHRECKE: C+, popeye 4.89 (2024-01-18)
more ...
comment

Keywords: Seriesmover, Move Length Record, Circe, Aristocrat, Rex solus (w)
Genre: Fairies
FEN: K7/8/3k4/8/8/8/8/1b6
Reprints: Rex Multiplex 27 08/1989
Input: Erich Bartel, 2012-08-14
Last update: A.Buchanan, 2024-01-18 more...

66 - P1248056
Christian Poisson
XXXVIII) Phénix (RM) 12/1992

(1+2)
ser-s-Zb4 in 14
Sentinelles

1. Kg1 2. Kf1 3. Ke1 4. Kd1 5. Kc1 6. Kb1 7. Kxa2 8. Kb1[+wBa2] 9. a4 10. a5 11. a6 12. a7 13. a8=D 14. Dd5 Kb4
play all

SCHRECKE: C+, popeye 4.89 (2024-01-18)
comment

Keywords: Seriesmover, Move Length Record, Sentinels, Rex solus (w), Aristocrat, Excelsior
Genre: Fairies
FEN: 8/8/8/8/8/2k5/r7/7K
Input: Erich Bartel, 2012-09-07
Last update: A.Buchanan, 2024-01-18 more...

67 - P1254207
Jörg Varnholt
M4) Problemkiste (175) 02/2008

(8+2)
ser-+++++++32
Madrasi

1. g4 2. g5 3. g6 4. g7 5. g8=D 6. Dgg4 7. Dd1 8. g4 9. g5 10. g6 11. g7 12. g8=D 13. Dgg3 14. Dhh3 15. Df1 16. h4 17. h5 18. h6 19. h7 20. h8=D 21. Dhc3 22. De4 23. b4 24. b5 25. b6 26. b7 27. b8=S 28. Sc6 29. Sd4 30. Sc2 31. Lb1 32. Sxe1+++++++
play all

Arnold Beine: Am Ende ist es ein Matt durch Siebenfachschach. (2022-10-26)
comment

Keywords: Seriesmover, Madrasi, Move Length Record, Promotion (DDDS), under-promotion, Excelsior (3x)
Genre: Fairies
FEN: 8/8/8/8/1Q3K1Q/3k2P1/BP4PP/4q3
Input: Erich Bartel, 2012-11-24
Last update: Alfred Pfeiffer, 2017-12-01 more...

68 - P1254210
Jörg Varnholt
M7) Problemkiste (175) 02/2008

(7+2)
ser-h++++++20
Madrasi

1. ... Kb1 2. h5 3. h4 4. h3 5. h2 6. h1=D 7. Dd5 8. Ka2 9. Ka3 10. Ka4 11. Kb5 12. Kc6 13. Kd7 14. Ke7 15. Kf6 16. Kg6 17. Kh5 18. Kh4 19. Kg3 20. Kf4 Sxd5++++++
play all

Arnold Beine: Am Ende ist es ein Matt durch Sechsfachschach (2022-10-26)
SCHRECKE: C+, Jacobi v0.7.5 (2022-10-27)
comment

Keywords: Seriesmover, Madrasi, Move Length Record, Excelsior
Genre: Fairies
FEN: 8/5Q1p/3Q4/6Q1/2Q5/2K1N3/3B4/2k5
Input: Erich Bartel, 2012-11-24
Last update: Alfred Pfeiffer, 2017-12-01 more...

69 - P1254211
Jörg Varnholt
M8) Problemkiste (175) 02/2008

(8+2)
ser-h+++++++17
Madrasi

1. ... Kg7 2. Kf8 3. Ke8 4. Kd8 5. Kc8 6. Kb8 7. Ka7 8. Ka6 9. Ka5 10. Kb4 11. Kc3 12. Kd2 13. Ke1 14. Kf2 15. Kg3 16. Kh4 17. Kg5 Sxe6+++++++
play all

Arnold Beine: Am Ende ist es ein Matt durch Siebenfachschach. (2022-10-26)
SCHRECKE: C+, Jacobi v0.7.5 (2022-10-27)
comment

Keywords: Seriesmover, Move Length Record, Madrasi, Alleinunterhalter
Genre: Fairies
FEN: 6Q1/4Q2k/2K1q2Q/3Q4/5NQ1/4Q3/8/8
Input: Erich Bartel, 2012-11-24
Last update: Alfred Pfeiffer, 2017-12-01 more...

70 - P1254212
Jörg Varnholt
M9) Problemkiste (175) 02/2008

(2+4)
ser-s+++13
Madrasi

1. c4 2. c5 3. c6 4. c7 5. c8=D 6. Dc5 7. Df2 8. Kc2 9. Kd3 10. Ke4 11. Kf5 12. Kg4 13. Kg3 Lxf2+++
play all

Arnold Beine: Am Ende ist es ein Matt durch Dreifachschach. (2022-10-26)
SCHRECKE: C+, Jacobi v0.7.5 (2022-10-27)
comment

Keywords: Seriesmover, Madrasi, Move Length Record, Minimal, Excelsior, Promotion, Obvious promotion
Genre: Fairies
FEN: 8/8/8/8/5q2/8/2P4q/1K4bk
Input: Erich Bartel, 2012-11-24
Last update: Alfred Pfeiffer, 2017-12-04 more...

71 - P1254213
Jörg Varnholt
M10) Problemkiste (175) 02/2008

(2+5)
ser-s++++6
Madrasi

1. Kc2 2. Kd3 3. Ke4 4. Kf5 5. Kg4 6. Kg3 Lxf2++++
play all

Arnold Beine: Am Ende ist es ein Matt durch Vierfachschach. (2022-10-26)
SCHRECKE: C+, Jacobi v0.7.5 (2022-10-27)
comment

Keywords: Seriesmover, Madrasi, Move Length Record, Minimal, Obvious promotion, Alleinunterhalter
Genre: Fairies
FEN: 8/8/8/8/5q2/4q3/5Q1q/1K4bk
Input: Erich Bartel, 2012-11-24
Last update: Alfred Pfeiffer, 2017-12-04 more...

72 - P1254215
Jörg Varnholt
M12) Problemkiste (175) 02/2008

(3+7)
ser-s++++++10
Madrasi

1. Kd5 2. a4 3. a5 4. a6 5. a7 6. a8=D 7. Da2 8. Df2 9. Ke5 10. Kf4 Sxg6++++++
play all

Arnold Beine: Am Ende ist es ein Matt durch Sechsfachschach. (2022-10-26)
SCHRECKE: C+, Jacobi v0.7.5 (2022-10-27)
comment

Keywords: Seriesmover, Madrasi, Move Length Record, Obvious promotion, Excelsior, Promotion
Genre: Fairies
FEN: 7n/5q2/3qK1Qq/8/4q1q1/7k/P7/8
Input: Erich Bartel, 2012-11-24
Last update: Alfred Pfeiffer, 2017-12-04 more...

73 - P1254216
Unto Heinonen
M13) Problemkiste (175) 02/2008

(4+8) C+
ser-s+++++++15
Madrasi

1. Kg6 2. Kf7 3. Ke6 4. Ke5 5. Kd4 6. De8 7. b4 8. b5 9. b6 10. b7 11. b8=T 12. Tb7 13. Th7 14. Th3 15. Tg3 Sxf3+++++++
play all

Arnold Beine: Am Ende ist es ein Matt durch Siebenfachschach. (2022-10-26)
more ...
comment

Keywords: Seriesmover, Madrasi, Move Length Record, Non-standard material (5xd), under-promotion (T), Promotion (T)
Genre: Fairies
Computer test: C+, Jacobi v0.7.5
FEN: 8/8/5q2/3q3K/Q5q1/1Pq2Q2/5q1n/3q1k2
Input: Erich Bartel, 2012-11-24
Last update: A.Buchanan, 2022-10-30 more...

74 - P1254246
Unto Heinonen
K2899) Problemkiste (175) 02/2008

(4+9) C+
ser-s+++++++18
Madrasi

1. b4 2. b5 3. b6 4. b7 5. b8=T 6. Te8 7. Te7 8. Th7 9. Th5 10. Tg5 11. Kd2 12. Kc3 13. Kd4 14. De1 15. Kc4 16. Kb5 17. Kc6 18. Kd6 Sxf5+++++++
play all

Arnold Beine: Am Ende ist es ein Matt durch Siebenfachschach. (2022-10-26)
more ...
comment

Keywords: Seriesmover, Move Length Record, Madrasi, Non-standard material (5xd), Excelsior, under-promotion (T), Promotion (T)
Genre: Fairies
Computer test: C+, Jacobi v0.7.5
FEN: 5q2/3q4/6q1/2q2Q2/5q1n/3q1k2/1P4r1/4K1Q1
Input: Erich Bartel, 2012-11-25
Last update: A.Buchanan, 2022-10-30 more...

75 - P1263944
George P. Sphicas
4695 Ideal-Mate Review 40 04-06/1991
Preis

(8+13) cooked
s=80

1. Te3+ Kd4 2. Te4+ Kxe4 3. Sgf6+ Kd4 4. De3+ Kc4 5. Dc5+ Kb3 6. Dxb4+ Ka2 7. Db3+ Ka1 8. Dc3+ Ka2 9. Tb2+ Ka1 10. Txc2+ Kb1 11. Tb2+ Ka1 12. Txd2+ Kb1 13. Tb2+ Ka1 14. Txe2+ Kb1 15. Tb2+ Ka1 16. Txf2+ Kb1 17. Tb2+ Ka1 18. Tg2+ Kb1 19. Txg1+ Ka2 20. Tg2+ d2! 21. Txd2+ Kb1 22. Tb2+ Ka1 23. Tb3+ Ka2 24. Ta3+ Kb1 25. Db3+ Kc1 26. Ta1+ Kd2 27. Td1+ Ke2 28. Dd3+ Kf2 29. Tf1+ Kg2 30. Df3+ Kh2 31. Tf2+ Kg1 32. Tg2+ Kh1 33. Tg5+ Kh2 34. Sg4+ Kg1 35. Se5+ Kh2 36. Th5+ Kg1 37. g8=D+ Sg6 38. Tg5+ Kh2 39. Sg4+ Kg1 40. Sh2+ Kxh2 41. Tg2+ Kh1 42. Tg3+ Kh2 43. Th3+ Kg1 44. Dh1+ Kf2 45. Tf3+ Ke2 46. Df1+ Kd2 47. Td3+ Kc2 48. Dd1+ Kb2 49. Tb3+ Ka2 50. Dc2+ Ka1 51. Dc3+ Ka2 52. Tb2+ Ka1 53. Txb6+ Ka2 54. Sb4+ Kb1 55. Sa2+ Kxa2 56. Tb2+ Ka1 57. Txb7+ Ka2 58. Tb2+ Ka1 59. Txb8 Ka2 60. Tb2+ Ka1 61. Tb7+ Ka2 62. Kf6+ Dxg8 63. Tb2+ Ka1 64. Tb3+ Ka2 65. Ta3+ Kb1 66. Da1+ Kc2 67. Tc3+ Kd2 68. Dc1+ Ke2 69. Te3+ Kf2 70. De1+ Kg2 71. Tg3+ Kh2 72. Lg1+ Kh1 73. Lh2+ Kxh2 74. Df2+ Kh1 75. Df1+ Kh2 76. Tg2+ Kh3 77. Df3+ Kh4 78. Tg4+ Kh5 79. Th4+ Kxh4 80. Dg4+ Kxg4=
play all

Cook: 1. Sgf6+ Kd4 2. Txd3+ Kc4 3. Txb4+ Kc5 4. De3+ Kc6 5. Se7+ Kc7 6. Dc5+ Lc6 7. Td7+ Sxd7 8. Da5+ Sb6 9. Lxb6+ Kb7 10. Ld8+ Lb5 11. Dxb5+ Ka7 12. Dc5+ Ka6 13. Tb6+ Ka7 14. Tc6+ Kb7 15. Db5+ Ka7 16. Lb6+ Kb7 17. La7+ Kxa7 18. Da5+ Kb7 19. Tb6+ Kc7 20. Se8+ Kd8 21. Td6+ Kxe8 22. gxh8=D+ Tg8 23. Dah5+ Kf8 24. D8h6+ Tg7 25. Df4+ Tf7 26. Td8+ Kg7 27. Sf5+ Txf5 28. Df7+ Txf7 29. Dg5+ Kh7 30. Th8+ Kxh8 31. Dg8+ Kxg8=

Mike Neumeier: Oh my! A long problem. I wonder what the record is with this one cooked. (2013-03-10)
James Malcom: With P1264328 and P1264327 seemingly cooked right now, the record seems to be s=64 by Morse-P1381820. (2020-12-30)
comment

Keywords: Move Length Record, Ideal mate
Genre: Fairies
FEN: qb4Nn/Bb4P1/1n2K3/1R1N4/1p2k3/3p1R1Q/2pppp2/6r1
Reprints: G2 FIDE Album 1989-1991 1997
Input: Olaf Jenkner, 2013-03-10
Last update: A.Buchanan, 2020-05-01 more...

76 - P1279936
Branko Koludrovic
K3637 Problemkiste (192) 12/2010

(2+4)
ser-s=44
Längstzüger
weißer Kürzestzüger

1. Kb1 2. Kb2 3. c3 4. Kb3 5. Kb4 6. c4 7. c5 8. c6 9. c7 10. c8=T 11. Tc7 12. Tc6 13. Tc5 14. Tc4 15. Kb5 16. Kc5 17. Td4 18. Kd5 19. Ke5 20. Te4 21. Kf5 22. Kxg5 23. Kf5 24. Ke5 25. Td4 26. Kd5 27. Kc5 28. Tc4 29. Kb5 30. Kb4 31. Tc3 32. Kb3 33. Kb2 34. Tc2 35. Kb1 36. Kc1 37. Td2 38. Kd1 39. Ke1 40. Te2 41. Kf1 42. Kg1 43. Tf2 44. Tf3+ Dxf3=
play all

Anton Baumann: C+ Alybadix (2023-03-21)
comment

Keywords: Seriesmover, Maximummer, Minimummer, Move Length Record
Genre: Fairies
FEN: 8/8/8/6b1/8/3q2kr/2P5/2K5
Input: Erich Bartel, 2013-11-03
Last update: Alfred Pfeiffer, 2013-11-05 more...

77 - P1279937
Branko Koludrovic
K3638 Problemkiste (192) 12/2010

(3+4)
ser-s=49
Längstzüger
weißer Kürzestzüger

1. b4 2. b5 3. b6 4. b7 5. b8=T 6. Tb7 7. Tb6 8. Tb5 9. Tb4 10. Tb3 11. Tb2 12. Ka1 13. Ka2 14. Tb3 15. Ka3 16. Ka4 17. Tb4 18. Ka5 19. Kb5 20. Tc4 21. Kc5 22. Kd5 23. Td4 24. Ke5 25. Kf5 26. Kxg5 27. Kf5 28. Ke5 29. Kd5 30. Tc4 31. Kc5 32. Kb5 33. Tb4 34. Ka5 35. Ka4 36. Tb3 37. Ka3 38. Ka2 39. Tb2 40. Ka1 41. Kb1 42. Tc2 43. Kc1 44. Kd1 45. Td2 46. Ke1 47. Kf1 48. Te2 49. Te3+ Dxe3=
play all

Rekord mit 7 Steinen.

Anton Baumann: C+ Alybadix (2023-04-01)
comment

Keywords: Seriesmover, Maximummer, Minimummer, Move Length Record
Genre: Fairies
FEN: 8/5r2/5P2/6b1/8/1Pq3k1/8/1K6
Input: Erich Bartel, 2013-11-03
Last update: Alfred Pfeiffer, 2013-11-05 more...

78 - P1293486
George P. Sphicas
(3) StrateGems (69) 01-03/2015

(14+6)
ser-h=45

1. Kh6 2. Kh5 3. Kh4 4. Kh3 5. Kxg2 6. Kh3 7. Kh4 8. Kh5 9. Kh6 10. Kh7 11. Kg8 12. Kf8 13. Ke8 14. Kd8 15. Kc7 16. Kd6 17. Kc5 18. Kxb4 19. Ka3 20. Ka2 21. Kxb1 22. Ka1 23. b1=T 24. Txd1 25. Td2 26. Ta2 27. d2 28. d1=S 29. Sb2 30. d3 31. d2 32. d1=D 33. Dxd5 34. Dxe6 35. Dxc6 36. e6 37. exf5 38. fxe4 39. e3 40. e2 41. e1=L 42. Lb4 43. La3 44. b4 45. De4+ Lxe4=
play all

aktuell zuglängste AUW im ser-h=

Anton Baumann: nach 19.Ka3 kürzer: 20.b4 21.d2 22.d3 Txb2= mit vielen DL (ZU) (2021-05-08)
comment

Keywords: konsekutive Umwandlungen 4 (TSDL), Allumwandlung, Seriesmover, Move Length Record
Genre: Fairies
FEN: B6B/4p2k/2P1P3/Pp1P1P2/1N1pPK2/1P1p4/1p4R1/1R1N4
Input: Frank Müller, 2014-12-29
Last update: Frank Müller, 2015-02-12 more...

79 - P1298074
Jacques Rotenberg
Problemiste 2012
1st prize

(10+16)
#11

1. Sfxe7+! exd5+ 2. Sxd5+ Sef6+,Shf6+ 3. Sdxf6+ d5+ 4. Sxd5+ Sf6+ 5. Sdxf6+ d5+ 6. Sxd5+ Te7+ 7. Sdxe7+ Ld5+ 8. Sxd5+ Te7+ 9. Sdxe7+ f5+ 10. Sxf5+ De7+ 11. Sfxe7#
play all

correction of P1298046
Henrik Juel: 21 consecutive checks; unfortunately, the position is illegal.
White never captured, while black pawns captured six times by axbxcxd, b7xc6, c7xd6, and h7xg6; but [Pf2] could not have been captured.
Nowadays it is rare to see an illegal prize winner, so the diagram may be incorrect (Pg2?) (2015-02-25)
Henrik Juel: Now I see that Jacques, in his comment to P1298046, gave this position, so my last sentence does not apply (2015-02-25)
Henrik Juel: The illegality is even 'worse' than I first thought, because [Pe2] could not have been captured either (2015-02-27)
James Malcom: I think it would be nice to have a legal version of this record. To do this, I propose we shorten the solution until a legal position is reached.

A #9 with 33B2N1/qrrp1ppn/1Ppp1np1/2QN2k1/3PKR2/8/b2p2P1/8 seems legal, no? (2021-02-06)
Anton Baumann: störender Dual in der Lösung: ... 7.Sde7+ f5+ 8.Sxf5+ Te7+ 9.Dxe7+,Lxe7+,Sxe7+ ...
Die Stellung wird legal mit schwarzer Umwandlungsfigur: d2=sT! Aber es bleibt der Dual in der Lösung.
Mögliche legale Stellung, ohne Dual in der Lösung: a7=sT, b7=sD, -sBc6, wBb6 nach c6 (10+15) #10
Lösung: 1.Sfe7+ exd5+ ... 7.Sde7+ Ld5+ 8.Dxd5+ f5+ 9.Sxf5+ De7+ 10.Sxe7# (2021-02-11)
comment

Keywords: Illegal position, Consecutive checks (21), Checking key, Construction task, Construction record, Move Length Record
Genre: n#
FEN: 3Bn1N1/qrrpbppn/1Pppp1p1/2QR1Nk1/3PKR2/8/b2p2P1/8
Input: A.Buchanan, 2015-02-25
Last update: James Malcom, 2021-02-07 more...

80 - P1300392
Valery Liskovets
Valery Voynov
B5a Length Records in Last Single Moves? , p. 7, 11/2009
version by Dmitrij Baibakov

(4+1)
Black played last.
Last 4 single moves?

R: 1. ... Ka7-a8 2. b7-b8=L+ Ka8-a7 3. b6-b7+
play all

Valery Liskovets writes: A misattribution appeared already in the original publication of P1300392 in 2009: it ought to be attributed more properly as "D.Baibikow after V.Liskovets and Ju.Wojnow."
Not merely it is stipulated distinctly and with a slightly changed position but my/our intention was very different: under-promotions both in the solution and the retro-play. In the PDB description, a direct reference to our initial P0008499 with almost the same position and solution but non-rigorous last move) should also be added.
more ...
comment

Keywords: Last Moves? (4), Type B, Move Length Record (ex-aequo), Miniature
Genre: n#, Retro
FEN: kB6/2K5/P1P5/8/8/8/8/8
Input: A.Buchanan, 2015-04-01
Last update: A.Buchanan, 2022-04-03 more...

81 - P1347359
François Labelle
8061 Phénix 279-280, p. 10986, 2017

(16+16)
ser-BP in 31

1. Sc3 2. Sd5 3. c3 4. Da4 5. Da6 6. a4 7. a5 8. Ta4 9. Tg4 10. Tg5 11. g4 12. Lg2 13. Le4 14. Lb1 15. d3 16. Lf4 17. e3 18. Se2 19. Tg1 20. Tg3 21. Th3 22. Th6 23. h3 24. Lh2 25. Sdf4 26. Sh5 27. f4 28. Kf2 29. Kg3 30. Kh4 31. Seg3
play all

Längste eindeutige Serienzug-BP ohne Schläge

Cf: P1017659
paul: Verified by Jacobi with: stip ser-dia 31 forsyth rsbqkbsr/pppppppp/Q6R/P5RS/5PPK/2PPP1SP/1P5B/1B6 (2021-12-09)
Joost de Heer: This is probably Kriegspiel? If there are no black pieces, the knight path on moves 25/26 can go over f6 as well. (2022-10-25)
A.Buchanan: Good catch, Joost. The black units (because of bK) are necessary. I haven’t heard the term Kriegspiel used to describe this. (2022-10-25)
Henrik Juel: This is a series proof game (where only White moves, and he may not check with an intermediate move)
I see no relation to the fairy condition Kriegspiel (2022-10-25)
comment

Keywords: Unique Proof Game, Seriesmover, Move Length Record (ex-aequo), Capture-free, Homebase (s)
Genre: Retro, Fairies
Computer test: paul: Verified by Jacobi with: stip ser-dia 31 forsyth rsbqkbsr/pppppppp/Q6R/P5RS/5PPK/2PPP1SP/1P5B/1B6
FEN: rnbqkbnr/pppppppp/Q6R/P5RN/5PPK/2PPP1NP/1P5B/1B6
Input: A.Buchanan, 2018-02-28
Last update: A.Buchanan, 2023-06-29 more...

82 - P1361192
Branko Koludrovic
Arno Tüngler
RB-53 ChessProblems.ca Bulletin 15, p. 736, 12/2018

(15+12) cooked
ser-h=249
Circe

1. Txa4[+wLf1] 2. Tb4 3. Ta6 4. Ka2 5. Ka3 6. Ka4 7. Ka5 8. Ta4 9. Ta2 10. Ka4 11. Ka3 12. Ta4 13. Tb4 14. Ka4 15. Ka5 16. Ka6 17. Kb7 18. Kc8 19. Kd7 20. Kd6 21. Ke5 22. Ke4 23. Kf3 24. Kxg3[+wLc1] 25. Kf3 26. Ke4 27. Ke5 28. Kd6 29. Kd7 30. Kc8 31. Kb7 32. Ka6 33. Ka5 34. Ka4 35. Ka3 36. Ta4 37. Ta6 38. Ka4 39. Ka5 40. Ta4 41. Tb4 42. Ka4 43. Ka3 44. Ka2 45. Kb1 46. Kxc1 47. Kb1 48. Ka2 49. Ka3 50. Ka4 51. Ka5 52. Ta4 53. Ta2 54. Ka4 55. Ka3 56. Ta4 57. Tb4 58. Ka4 59. Ka5 60. Ka6 61. Kb7 62. Kc8 63. Kd7 64. Kd6 65. Ke5 66. Ke4 67. Kxe3[+wSg1] 68. Ke4 69. Ke5 70. Kd6 71. Kd7 72. Kc8 73. Kb7 74. Ka6 75. Ka5 76. Ka4 77. Ka3 78. Ta4 79. Ta6 80. Ka4 81. Ka5 82. Ta4 83. Tb4 84. Ka4 85. Ka3 86. Ka2 87. Kb1 88. Kc1 89. Kd1 90. Ke1 91. Kxf1 92. Kxg1 93. Kf1 94. Ke1 95. Kd1 96. Kc1 97. Kb1 98. Ka2 99. Ka3 100. Ka4 101. Ka5 102. Ta4 103. Ta2 104. Ka4 105. Ka3 106. Ta4 107. Tb4 108. Ka4 109. Ka5 110. Ka6 111. Kb7 112. Kc8 113. Kd7 114. Kd6 115. Ke5 116. Ke4 117. Kf3 118. Kg4 119. Kxg5[+wLc1] 120. Kg4 121. Kf3 122. Ke4 123. Ke5 124. Kd6 125. Kd7 126. Kc8 127. Kb7 128. Ka6 129. Ka5 130. Ka4 131. Ka3 132. Ta4 133. Ta6 134. Ka4 135. Ka5 136. Ta4 137. Tb4 138. Ka4 139. Ka3 140. Ka2 141. Kb1 142. Kxc1 143. Kb1 144. Ka2 145. Ka3 146. Ka4 147. Ka5 148. Ta4 149. Ta2 150. Ka4 151. Ka3 152. Ta4 153. Tb4 154. Ka4 155. Ka5 156. Ka6 157. Kb7 158. Kc8 159. Kd7 160. Kd6 161. Ke5 162. Kxf4[+wSg1] 163. Kg5 164. Kh6 165. Kh7 166. Kxh8 167. Kh7 168. Kh6 169. Kg5 170. Kf4 171. Ke5 172. Kd6 173. Kd7 174. Kc8 175. Kb7 176. Ka6 177. Ka5 178. Ka4 179. Ka3 180. Ta4 181. Ta6 182. Ka4 183. Ka5 184. Ta4 185. Tb4 186. Ka4 187. Ka3 188. Ka2 189. Kb1 190. Kc1 191. Kd1 192. Ke1 193. Kf1 194. Kxg1 195. Kf1 196. Ke1 197. Kd1 198. Kc1 199. Kb1 200. Ka2 201. Ka3 202. Ka4 203. Ka5 204. Ta4 205. Ta2 206. Ka4 207. Ka3 208. Ta4 209. Tb4 210. Ka4 211. Ka5 212. Ka6 213. Kb7 214. Kc8 215. Kd7 216. Kd6 217. Ke5 218. Kf4 219. Kg5 220. Kh6 221. Kh7 222. Kg8 223. Kxf7[+wTh1] 224. Kg8 225. Kh7 226. Kh6 227. Kg5 228. Kf4 229. Ke5 230. Kd6 231. Kd7 232. Kc8 233. Kb7 234. Ka6 235. Ka5 236. Ka4 237. Ka3 238. Ta4 239. Ta6 240. Ka4 241. Ka5 242. Ta4 243. Tb4 244. Ka4 245. Ka3 246. Ka2 247. Ta3 248. a5 249. a4 dxc6=
play all

Cook: 1.T×a4(Lf1)2.Tb4 3.Ta6 ... 7.Ka5 ... 9.Ta2 ... 11.Ka3 ... 13.Tb4 ... 24.K×g3(Lc1) 25.K×h2... 37.Ka3 ... 39.Ta6 ... 41.Ka5 ... 43.Tb4 ... 48.K×c1 ... 53.Ka5 ... 55.Ta2 ...57.Ka3 ... 59.Tb4 ... 69.K×e3(Sg1) ... 73.K×g5(Lc1) ... 79.K×c1 ... 84.K×f4 ...88.K×h8 ... 95.K×g1 96.K×f1 ... 104.K×f7(Th1) 105.K×f6(Bf2) ... 107.K×d5(Bd2) 108.c5 ... 114.Ka3 ... 116.a4 117.c6 Tb1 =

Arno Tüngler: Absoluter Längenrekord für Circe-Serienzughilfspatts mit Umwandlungsfiguren. Ehemaliger Rekord: P1227042. (2019-02-16)
more ...
comment

Keywords: Seriesmover, Obvious promotion, Circe, Move Length Record
Genre: Fairies
FEN: 3B3N/p1p1PRN1/1pp2P2/1p1P2BP/B1p2N2/rpK1N1B1/rp5R/bk6
Input: Arno Tüngler, 2019-02-16
Last update: Arno Tüngler, 2021-12-21 more...

83 - P1362217
Arno Tüngler
F590 Problem Paradise 62, p. 16, 04-07/2013

(9+15) C+
ser-A=>B in 387
Stellung B: wKa6 wLa8 wBf3d3c4f5g7c6a7
sKh8 sTb2e4d5 sLh1e6 sSc1f8 sBa3 (9+9)

1. Ka5-a6 2. b3xc4 3. Lb5-a4 4. La4-d1 5. Ld1-e2 6. Le2-f1 7. Lf1-h3 8. Lh3-g4 9. Lg4-h5 10. Lh5-e8 11. Le8-d7 12. Ld7-c8 13. Lc8xb7 14. Lb7-c8 15. Lc8-d7 16. Ld7-e8 17. Le8-h5 18. Lh5-g4 19. Lg4-h3 20. Lh3-f1 21. Lf1-e2 22. Le2-d1 23. Ld1-a4 24. La4-b5 25. Ka6-a5 26. Ka5-a4 27. Lb5-a6 28. La6-c8 29. Lc8-d7 30. Ld7-e8 31. Le8-h5 32. Lh5-g4 33. Lg4-h3 34. Lh3-f1 35. Lf1-e2 36. Le2-d1 37. Ld1-b3 38. Ka4-b4 39. Kb4-c3 40. Lb3-c2 41. Kc3-d2 42. Kd2-d1 43. Lc2-a4 44. La4-b5 45. Lb5-a6 46. La6-c8 47. Lc8-d7 48. Ld7-e8 49. Le8-h5 50. Lh5-g4 51. Lg4-h3 52. Lh3-f1 53. Lf1-e2 54. Kd1-e1 55. Ke1-f1 56. Le2-d1 57. Ld1-a4 58. La4-b5 59. Lb5-a6 60. La6-c8 61. Lc8-d7 62. Ld7-e8 63. Le8-h5 64. Lh5-g4 65. Lg4-h3 66. Lh3-g2 67. Kf1-g1 68. Kg1-h2 69. Kh2-h3 70. Lg2-f1 71. Lf1-e2 72. Le2-d1 73. Ld1-a4 74. La4-b5 75. Lb5-a6 76. La6-c8 77. Lc8-d7 78. Ld7-e8 79. Le8-h5 80. Lh5-g4 81. Kh3-h4 82. Kh4-h5 83. Lg4-h3 84. Lh3-f1 85. Lf1-e2 86. Le2-d1 87. Ld1-a4 88. La4-b5 89. Lb5-a6 90. La6-c8 91. Lc8-d7 92. Ld7-e8 93. Le8-g6 94. Kh5-g5 95. Kg5-f6 96. Lg6-f7 97. Kf6-e7 98. Ke7-e8 99. Lf7-h5 100. Lh5-g4 101. Lg4-h3 102. Lh3-f1 103. Lf1-e2 104. Le2-d1 105. Ld1-a4 106. La4-b5 107. Lb5-a6 108. La6-c8 109. Lc8-d7 110. Ke8xd8 111. Kd8-e8 112. Ld7-c8 113. Lc8-a6 114. La6-b5 115. Lb5-a4 116. La4-d1 117. Ld1-e2 118. Le2-f1 119. Lf1-h3 120. Lh3-g4 121. Lg4-h5 122. Lh5-f7 123. Ke8-e7 124. Ke7-f6 125. Lf7-g6 126. Kf6-g5 127. Kg5-h5 128. Lg6-e8 129. Le8-d7 130. Ld7-c8 131. Lc8-a6 132. La6-b5 133. Lb5-a4 134. La4-d1 135. Ld1-e2 136. Le2-f1 137. Lf1-h3 138. Lh3-g4 139. Kh5-h4 140. Kh4-h3 141. Lg4-h5 142. Lh5-e8 143. Le8-d7 144. Ld7-c8 145. Lc8-a6 146. La6-b5 147. Lb5-a4 148. La4-d1 149. Ld1-e2 150. Le2-f1 151. Lf1-g2 152. Kh3-h2 153. Kh2-g1 154. Kg1-f1 155. Lg2-h3 156. Lh3-g4 157. Lg4-h5 158. Lh5-e8 159. Le8-d7 160. Ld7-c8 161. Lc8-a6 162. La6-b5 163. Lb5-a4 164. La4-d1 165. Ld1-e2 166. Kf1-e1 167. Ke1-d1 168. Le2-f1 169. Lf1-h3 170. Lh3-g4 171. Lg4-h5 172. Lh5-e8 173. Le8-d7 174. Ld7-c8 175. Lc8-a6 176. La6-b5 177. Lb5-a4 178. La4-c2 179. Kd1-d2 180. Kd2-c3 181. Lc2-b3 182. Kc3-b4 183. Kb4-a4 184. Lb3-d1 185. Ld1-e2 186. Le2-f1 187. Lf1-h3 188. Lh3-g4 189. Lg4-h5 190. Lh5-e8 191. Le8-d7 192. Ld7-c8 193. Lc8-a6 194. La6-b5 195. Ka4-a5 196. Ka5-a6 197. Ka6-b7 198. Kb7xb8 199. Kb8-b7 200. Kb7-a6 201. Ka6-a5 202. Ka5-a4 203. Lb5-a6 204. La6-c8 205. Lc8-d7 206. Ld7-e8 207. Le8-h5 208. Lh5-g4 209. Lg4-h3 210. Lh3-f1 211. Lf1-e2 212. Le2-d1 213. Ld1-b3 214. Ka4-b4 215. Kb4-c3 216. Lb3-c2 217. Kc3-d2 218. Kd2-d1 219. Lc2-a4 220. La4-b5 221. Lb5-a6 222. La6-c8 223. Lc8-d7 224. Ld7-e8 225. Le8-h5 226. Lh5-g4 227. Lg4-h3 228. Lh3-f1 229. Lf1-e2 230. Kd1-e1 231. Ke1-f1 232. Le2-d1 233. Ld1-a4 234. La4-b5 235. Lb5-a6 236. La6-c8 237. Lc8-d7 238. Ld7-e8 239. Le8-h5 240. Lh5-g4 241. Lg4-h3 242. Lh3-g2 243. Kf1-g1 244. Kg1-h2 245. Kh2-h3 246. Lg2-f1 247. Lf1-e2 248. Le2-d1 249. Ld1-a4 250. La4-b5 251. Lb5-a6 252. La6-c8 253. Lc8-d7 254. Ld7-e8 255. Le8-h5 256. Lh5-g4 257. Kh3-h4 258. Kh4-h5 259. Lg4-h3 260. Lh3-f1 261. Lf1-e2 262. Le2-d1 263. Ld1-a4 264. La4-b5 265. Lb5-a6 266. La6-c8 267. Lc8-d7 268. Ld7-e8 269. Le8-g6 270. Kh5-g5 271. Kg5-f6 272. Lg6-f7 273. Kf6-e7 274. Ke7-e8 275. Lf7-h5 276. Lh5-g4 277. Lg4-h3 278. Lh3-f1 279. Lf1-e2 280. Le2-d1 281. Ld1-a4 282. La4-b5 283. Lb5-a6 284. La6-c8 285. Lc8-d7 286. Ke8-d8 287. Kd8xc7 288. Kc7-d8 289. Kd8-e8 290. Ld7-c8 291. Lc8-a6 292. La6-b5 293. Lb5-a4 294. La4-d1 295. Ld1-e2 296. Le2-f1 297. Lf1-h3 298. Lh3-g4 299. Lg4-h5 300. Lh5-f7 301. Ke8-e7 302. Ke7-f6 303. Lf7-g6 304. Kf6-g5 305. Kg5-h5 306. Lg6-e8 307. Le8-d7 308. Ld7-c8 309. Lc8-a6 310. La6-b5 311. Lb5-a4 312. La4-d1 313. Ld1-e2 314. Le2-f1 315. Lf1-h3 316. Lh3-g4 317. Kh5-h4 318. Kh4-h3 319. Lg4-h5 320. Lh5-e8 321. Le8-d7 322. Ld7-c8 323. Lc8-a6 324. La6-b5 325. Lb5-a4 326. La4-d1 327. Ld1-e2 328. Le2-f1 329. Lf1-g2 330. Kh3-h2 331. Kh2-g1 332. Kg1-f1 333. Lg2-h3 334. Lh3-g4 335. Lg4-h5 336. Lh5-e8 337. Le8-d7 338. Ld7-c8 339. Lc8-a6 340. La6-b5 341. Lb5-a4 342. La4-d1 343. Ld1-e2 344. Kf1-e1 345. Ke1-d1 346. Le2-f1 347. Lf1-h3 348. Lh3-g4 349. Lg4-h5 350. Lh5-e8 351. Le8-d7 352. Ld7-c8 353. Lc8-a6 354. La6-b5 355. Lb5-a4 356. La4-c2 357. Kd1-d2 358. Kd2-c3 359. Lc2-b3 360. Kc3-b4 361. Kb4-a4 362. Lb3-d1 363. Ld1-e2 364. Le2-f1 365. Lf1-h3 366. Lh3-g4 367. Lg4-h5 368. Lh5-e8 369. Le8-d7 370. Ld7-c8 371. Lc8-a6 372. La6-b5 373. Ka4-a5 374. Ka5-a6 375. Lb5-a4 376. La4-d1 377. Ld1-e2 378. Le2-f1 379. Lf1-h3 380. Lh3-g4 381. Lg4-h5 382. Lh5-e8 383. Le8-d7 384. Ld7-c8 385. Lc8-b7 386. Lb7-a8 387. h6xg7+
play all

B-Stellung: wKa6 wLa8 wBf3d3c4f5g7c6a7 sKh8 sTb2e4d5 sLh1e6 sSc1f8 sBa3 (9+9)
Moldenhauer: Computerprüfung: C+ Jacobi v0.7.6 beta1 in 36 Min. 55 Sek. PG demolition mode = Brute Force
heuristic mode 7 Sek. (2022-08-28)
comment

Keywords: Seriesmover, A to B, Move Length Record, Non-standard material
Genre: Fairies
FEN: 1b1n1n1k/Pnp3r1/2P1b2P/KB1r1P2/2q1r3/pP1P1P2/1r6/2n4b
Reprints: G41 FIDE Album 2013-2015 2019
Input: Arno Tüngler, 2019-03-08
Last update: Alfred Pfeiffer, 2019-10-09 more...

84 - P1362790
Arno Tüngler
DM-29 ChessProblems.ca Bulletin 5, p. 143, 04/2015

(4+11)
ser-#108
Circe

1. Kb5-b4 2. Kb4-a3 3. Ka3-a2 4. Ka2-b1 5. Kb1-c1 6. Kc1-d1 7. Kd1-e1 8. Ke1-f1 9. Kf1-g1 10. Kg1-h2 11. Kh2-h3 12. Kh3-h4 13. Kh4-h5 14. Kh5-h6 15. Kh6-h7 16. Kh7-g8 17. Kg8-f8 18. Kf8-e8 19. Ke8-d8 20. Kd8-c8 21. Kc8-b8 22. Kb8xa7 23. Ka7-b8 24. Kb8-c8 25. Kc8-d8 26. Kd8-e8 27. Ke8-f8 28. Kf8-g8 29. Kg8-h7 30. Kh7-h6 31. Kh6-h5 32. Kh5-h4 33. Kh4-h3 34. Kh3-h2 35. Kh2-g1 36. Kg1-f1 37. Kf1-e1 38. Ke1-d1 39. Kd1-c1 40. Kc1-b1 41. Kb1-a2 42. Ka2-a3 43. Ka3-b4 44. Kb4xa5[+sSb8] 45. Ka5-b4 46. Kb4-a3 47. Ka3-a2 48. Ka2-b1 49. Kb1-c1 50. Kc1-d1 51. Kd1-e1 52. Ke1-f1 53. Kf1-g1 54. Kg1-h2 55. Kh2-h3 56. Kh3-h4 57. Kh4-h5 58. Kh5-h6 59. Kh6-h7 60. Kh7-g8 61. Kg8-f8 62. Kf8-e8 63. Ke8-d8 64. Kd8-c8 65. Kc8xb8 66. Kb8-c8 67. Kc8-d8 68. Kd8-e8 69. Ke8-f8 70. Kf8-g8 71. Kg8-h7 72. Kh7-h6 73. Kh6-h5 74. Kh5-h4 75. Kh4-h3 76. Kh3-h2 77. Kh2-g1 78. Kg1-f1 79. Kf1-e1 80. Ke1-d1 81. Kd1-c1 82. Kc1-b1 83. Kb1-a2 84. Ka2-a3 85. Ka3-b4 86. Kb4-b5 87. Kb5xc6[+sTa8] 88. Kc6xc5[+sSb8] 89. Kc5-d5 90. Kd5-e4 91. Ke4xf3[+sBf7] 92. Kf3-g2 93. Kg2-h3 94. Kh3-h4 95. Kh4-h5 96. Kh5-h6 97. Kh6-h7 98. Kh7-g8 99. Kg8-f8 100. Kf8-e8 101. Ke8-d8 102. Kd8-c8 103. Kc8-b7 104. Kb7xa8 105. Ka8xb8 106. Kb8-c8 107. Kc8-d7 108. Tg7-g8#
play all

Anton Baumann: C+ Alybadix (2022-03-07)
comment

Keywords: Seriesmover, Move Length Record, Circe
Genre: Fairies
FEN: 7B/r1p3R1/2r2k2/nKn1b3/5pP1/3ppp2/8/8
Input: Arno Tüngler, 2019-03-27
Last update: Arno Tüngler, 2019-03-27 more...

85 - P1371538
Miodrag Mladenovic
MatPlus.net Forum 14/11/2019

(11+9) C+
s#15

1. e8=D+! Kxe8 2. Sd6+ Kxd7 3. c8=L+ Kc6 4. Tc7+ Kxd6 5. Tc6+ Kd5 6. Td6+ Ke5 7. Td5+ Ke4 8. Te5+ Kf4 9. Tf5+ Kg4 10. Tf4+ Kg3 11. Tg4+ Kh3 12. Tg3+ Kh2 13. Txg2+ Kh1 14. Tg1+ Kxg1 15. Dg3+ Dxg3#
play all

Record of 14 consecutive double checks in a selfmate

Record of a 14 square route of the Black king

SCHRECKE: For which category is it a length record? (2020-01-06)
SCHRECKE: 1.e8D+! K:e8 2.Sd6+ K:d7 3.c8L+ Kc6 4.Tc7+ K:d6 5.Tc6+ Kd5 6.Td6+ Ke5 7.Td5+ Ke4 8.Te5+ Kf4 9.Tf5+ Kg4 10.Tf4+ Kg3 11.Tg4+ Kh3 12.Tg3+ Kh2 13.T:g2+ Kh1 14.Tg1+ K:g1 15.Dg3+ D:g3# (2020-01-07)
Anton Baumann: Autor: Doppelschach (konsekutiv 14-fach), Königstreppe (2020-01-07)
Henrik Juel: Popeye 4.61 with 'opt nichtt 0 1' found no flaws (2020-01-07)
SCHRECKE: C+, Gustav 4.1a, Brute Force (2020-01-08)
James Malcom: This also has, to my current knowledge, the long route of the Black king in a s#, at 14 different squares visited. (2021-01-01)
comment

Keywords: Move Length Record, konsekutive Umwandlungen 2 (DL), under-promotion (L)
Genre: s#
Computer test: Gustav 4.1a, Brute Force
FEN: BQN3N1/1RPRPk2/1B6/1b4np/2nr3r/4q3/4P1p1/4K3
Input: A.Buchanan, 2020-01-06
Last update: James Malcom, 2021-01-01 more...

86 - P1376572
Gijs van Breukelen
1857 Schakend Nederland 1981
Spezielle ehrende Erwähnung

(14+4)
Weiß gewinnt
Schwarz am Zug

1. ... Tb3+ 2. Ka4 Tb4+ 3. Ka5 Tb5+ 4. Ka6 Tb6+ 5. Ka7 Tb7+ 6. Ka8 Ta7+ 7. Kb8 Tb7+ 8. Kc8 Tc7+ 9. Kd8 Td7+ 10. Ke8 Te7+ 11. Kf8 Te8+ 12. Kf7 Te7+ 13. Kf6 Tf7+ 14. Ke5 Tf5+ 15. Kd6 Td5+ 16. Ke7 Td7+ 17. Kf8 Td8+ 18. Kf7 Td7+ 19. Se7 Txe7+ 20. Kf6 Tf7+ 21. Ke5 Tf5+ 22. Kd6 Td5+ 23. Kc7 Td7+ 24. Kb6 Td6+ 25. Ka5 Td5+ 26. Sb5 Txb5+ 27. Ka6 Tb6+ 28. Ka7 Tb7+ 29. Ka8 Ta7+ 30. Kb8 Tb7+ 31. Kc8 Tc7+ 32. Kd8 Td7+ 33. Ke8 Te7+ 34. Kf8 Te8+ 35. Kf7 Te7+ 36. Kf6 Tf7+ 37. Ke5 Tf5+ 38. Kd6 Td5+ 39. Kc6 Td6+ 40. Kb5 Tb6+ 41. Kc4 Tc6+ 42. Kb3 Tc3+ 43. Ka4 Tc4+ 44. b4 Txb4+ 45. Ka5 Tb5+ 46. Ka6 Tb6+ 47. Ka7 Tb7+ 48. Ka8 Ta7+ 49. Kb8 Tb7+ 50. Kc8 Tc7+ 51. Kd8 Td7+ 52. Ke8 Te7+ 53. Kf8 Te8+ 54. Kf7 Te7+ 55. Kf6 Tf7+ 56. Ke5 Tf5+ 57. Kd6 Td5+ 58. Kc6 Td6+ 59. Kc5 Tc6+ 60. Kb4 Tb6+ 61. Kc3 Tb3+ 62. Kc4 Tc3+ 63. Kb4 Tc4+ 64. Ka3 Ta4+ 65. Kb2 Txa2+ 66. Kb3 Tb2+ 67. Kc4 Tc2+ 68. Kd5 Tc5+ 69. Kxe4 Te5+ 70. Kd3 Txe3+ 71. Kc4 Tc3+ 72. Kb4 Tc4+ 73. Ka3 Ta4+ 74. Kb2 Ta2+ 75. Kc3 Tc2+ 76. Kd3 Tc3+ 77. Ke4 Te3+ 78. Kd5 Te5+ 79. Kc6 Tc5+ 80. Kd7 Td5+ 81. Kc8 Tc5+ 82. Kd8 Td5+ 83. Ld7 Txd7+ 84. Ke8 Te7+ 85. Kf8 Te8+ 86. Kf7 Te7+ 87. Kf6 Te6+ 88. Kf5 Te5+ 89. Kf4 Te4+ 90. Kg3 Te3+ 91. Kh2 Txh3+ 92. Kg1 Tg3+ 93. Tg2 Txg2+ 94. Kf1 Tf2+ 95. Ke1 Txe2+ 96. Kd1 Td2+ 97. Kc1 Tc2+ 98. Kb1 Tb2+ 99. Ka1 Tb1+ 100. Ka2 Ta1+ 101. Kb2 Tb1+ 102. Ka3 Ta1+ 103. Da2
play all

The longest known “Rambling Rook” problem.

Hobacle: 39.Kc6 is probably a mistake. (2021-11-10)
James Malcom: My source for this problem was from a post by Siegfried Hornecker on chessproblem.net: https://www.chessproblem.net/viewtopic.php?f=19&t=26&p=35&hilit=Breukelen#p35 (2021-11-10)
comment

Keywords: Systematic movement, Move Length Record, Stalemate avoidance
Genre: Studies
FEN: 1r4Q1/7p/2N1B2k/7P/3Pp1P1/K1N1P2R/PP2PR2/8
Input: James Malcom, 2020-06-02
Last update: A.Buchanan, 2021-11-10 more...

87 - P1381529
James Malcom
SuperProblem (Website) 05/11/2020

(11+14)
#22

1. 0-0! droht 2. Tf8#
1. ... 0-0-0 2. Txb6+ Kc7 3. Tb7+ Kc8 4. Txb5+ Kc7 5. Tb7+ Kc8 6. Txb4+ Kc7 7. Tb7+ Kc8 8. Txb3+ Kc7 9. Tb7+ Kc8 10. Txb2+ Kc7 11. Tb7+ Kc8 12. Txb1+ Kc7 13. Tb7+ Kc8 14. Txd1 Tg8+ 15. Sg5 Kd8 16. Tdb1 Ta1 17. Txa1 exd5 18. Tb8+ Kc7 19. Txg8 dxe4 20. Tb1 d5 21. Tc8+ Kd6 22. Tb6#
play all

The longest problem with both sides castling

http://superproblem.ru/archive/probl/N/Malcom-22x-2020.gif

more ...
comment

Keywords: Zwickmühle, Move Length Record, Superseded by (P1396373), Castling
Genre: n#
FEN: r3k3/1R1pp2N/Bq1pp3/1n1P4/Pp1PP2P/rp2P3/1b6/1b1nK2R
Input: James Malcom, 2020-11-04
Last update: James Malcom, 2021-11-28 more...

88 - P1381619
Michel Caillaud
Retros mailing list 18/9/2020

(12+13) C+
BP in 19.5

1. f4 h5 2. f5 h4 3. f6 h3 4. fxe7 hxg2 5. exf8=S Th6 6. Sh7 a5 7. Sc3 a4 8. e4 a3 9. e5 axb2 10. e6 b1=S 11. e7 Sxd2 12. Sh3 Se4 13. Sf2 f6 14. Sg4 Kf7 15. Dxd7 Ta6 16. Dd4 Sd7 17. e8=S gxf1=S 18. Sd5 Sfg3 19. Lg5 Sh5 20. Tf1
play all

The fastest way to control a square 16 times

Superseding of P1380050

Olaf Jenkner: Der Vorläufer wurde gekocht. Kann diese Aufgabe geprüft werden? (2023-08-31)
Moldenhauer: Computerprüfung: C- oder Cooked Stelvio 1.5 in 1 Sekunde.
Keine Lösung: BP 19.0.
Stelvio-Notation: 1.Sc3 a5 2.Sf3 Ta6 3.Se5 a4 4.Sg4 a3 5.e4 axb2 6.e5 b1=S 7.e6 Sxd2
8.f4 Se4 9.f5 h5 10.Lg5 Th6 11.f6 h4 12.fxe7 f6 13.exf8=S h3 14.e7 Kf7 15.Dxd7 hxg2
16.Dd4 Sd7 17.Sd5 gxf1=S 18.e8=S Sfg3 19.Tf1 Sh5 20.Sh7.
Bitte Olaf! (2023-09-01)
A.Buchanan: This problem and its antecedant are NOT cooked. They are non-unique proof games, and there is no intention of uniqueness. Whilst it's useful to identify a shortest solution, it is disrespectful and confusing to wave around the terms "C-" & "cooked". When we have verified that this problem has no solution in 18.0 or 18.5 moves, we can mark it as C+. (2023-09-02)
Olaf Jenkner: That's quiet confusing. See P0000404 with stipulation "BP in 45,0". The keyword is "Unique Proof Game".
This problem has the stipulation "BP in 19.5". The keyword is "Non-Unique Proof Game".
I don't believe that the dot makes the difference. (2023-09-03)
Henrik Juel: One way of limiting the confusion is to change the stipulation to
Length of shortest proof game?
C+ then means that this length is indeed 19.5 moves (2023-09-03)
A.Buchanan: A root problem is that animation engine reads the stipulation to decide what to do. (AND the details are undocumented.) So if we change the stipulation to something correct, we will lose the animation. Also, there is no Originalforderung field to keep track of the composer's intent. The comma dot is another linguistic challenge which could be addressed if we had multi-language support for stips like we do for source, composer, keyword & fairy piece. Obviously I'm very grateful for Gerd's work, but he has given no indication when, if ever, he will restart serious development work on PDB, so in the meantime we need to muddle through. In the meantime, the best we could do is rework the stipulation to add "(non-unique)" or "how many solutions?" etc. This edit can be done by screen-scraping in an automated way, if we can agree the principle (2023-09-03)
more ...
comment

Keywords: Non-Unique Proof Game, Non-standard material (SSss), Promotion (SSss), Move Length Record
Genre: Retro
Computer test: Moldenhauer: Stelvio 1.5 Keine Lösung: BP 19.0
FEN: 2bqN1n1/1ppn1kpN/r4p1r/3N2Bn/3Qn1N1/8/P1P4P/R3KR2
Input: James Malcom, 2020-11-07
Last update: Olaf Jenkner, 2023-09-03 more...

89 - P1382667
Lajos von Szasz
96 Zadachi i etyudy 8 1930

(12+11)
#1 vor 91 Zügen
VRZ Typ Høeg

Originalforderung: Retromatt in 91 Zügen, Høeg-Form (Retromat v 91 chod - Forma Hoeg)
James Malcom: Solution? (2023-05-09)
Henrik Juel: The solution ought to be in Zadachi i etyudy (2023-05-09)
Henrik Juel: Black captured the 4 missing white men with a7xb6 and gxfxPexd
White captured the 5 missing black men with bxa, dxc, gxh, hxg, and YxLc8 (2023-05-09)
comment

Keywords: Defensive Retractor, Type Høeg, Move Length Record
Genre: Retro
FEN: N7/KpppppB1/1p3PrP/k5P1/P1P5/1BP5/P1Np3p/n7
Input: Mario Richter, 2020-12-02
Last update: James Malcom, 2023-05-09 more...

90 - P1384629
Dmitri Baibikow
StrateGems 2017
Preis

(1+4)
-38 & #1 VRZ Proca
Anticirce

R: 1. Ke1xBf2[+wKe1] f3-f2+ 2. Ke2xBd2[+wKe1] f4-f3+ 3. Ke1-e2 d3-d2+ 4. Ke1xTd1[+wKe1] Td2-d1+ 5. Kf2xSf1[+wKe1] Td1-d2+ 6. Ke1-f2 Td2-d1+ 7. Kf3xLg2[+wKe1] Lh3-g2+ 8. Kf2-f3 Td1-d2+ 9. Ke1-f2 Td2-d1+ 10. Kg4xSf5[+wKe1] Lg2-h3+ 11. Kf3-g4 Lh3-g2+ 12. Kf2-f3 Td1-d2+ 13. Ke1-f2 Td2-d1+ 14. Kh5xLg6[+wKe1] Lh7-g6+ 15. Kg4-h5 Lg2-h3+ 16. Kf3-g4 Lh3-g2+ 17. Kf2-f3 Td1-d2+ 18. Ke1-f2 Td2-d1+ 19. Kg5xBh6[+wKe1] Sg7-f5+ 20. Kg4-g5 Lg2-h3+ 21. Kf3-g4 Lh3-g2+ 22. Kf2-f3 Td1-d2+ 23. Ke1-f2 Td2-d1+ 24. Kg4xBf5[+wKe1] Lg2-h3+ 25. Kf3-g4 Lh3-g2+ 26. Kf2-f3 Td1-d2+ 27. Ke1-f2 Td2-d1+ 28. Kg4xTh5[+wKe1] Lg2-h3+ 29. Kf3-g4 Lh3-g2+ 30. Kf2-f3 Td1-d2+ 31. Ke1-f2 Td2-d1+ 32. Kc5xLc6[+wKe1] Lc7-b8+ 33. Kd6-c5 Ld8-c7+ 34. Ke6-d6 Se8-g7+ 35. Kd5-e6 Ld7-c6+,L~-c6+ 36. Ke4-d5 Le7-d8+ 37. Ke3-e4 Sg3-f1+ 38. Kf2-e3, und dann 1. Kg1#
play all

Not 24. Kg4xTh5[+wKe1)] Lg2-h3+ 25-27=11-13 and the forward defense 1. ... Te5#
Not 32. Kc5xBc6[+wKe1]? c7-c6+!
Not 37... Not f2-f1=S+? and no more black

The unassuming Rex Solus position hides a real treasure - a spectacular retro play, containing a length record and largest number (11) of uncaptures in Anti-Circe Proca retractors. (judge Ivan Denkovski)

Henrik Juel: Incredible problem
The position after the retroplay is something like
4s3/1b3l2l/1b5b/5b1t/l4b2/3b2sl/3t1K1k/8 (1+15) (La4 could also be on b5 or d7)
White mates with 1.Kf2-g1#, which is legal in Anticirce because Se8 prevents 1... Kxg1(Ke8)??
The flights for black Kh2 are blocked by Sg3 and Lh3 (2021-06-26)
more ...
comment

Keywords: Miniature, Move Length Record, Homebase, Defensive Retractor
Genre: Retro
FEN: 1b6/1p6/1p6/8/8/8/7k/4K3
Input: fs/hg, 2020-12-30
Last update: A.Buchanan, 2024-01-18 more...

91 - P1385386
S. Manikumar
YouTube 14/01/2020
nach James Malcom

(8+11)
White rochade in 102

1. Ld8! Kb8 2. Le7 Ka8 3. Lf8 Kb8 4. Lh6 Ka8 5. Lg7 Kb8 6. Lf8 Ka8 7. Le7 Kb8 8. Ld8 Ka8 9. Lc7 a4 18. ... a3 27. ... a2 36. ... a5 45. ... a4 54. ... a3 63. ... e4 72. ... e3 81. ... e5 90. ... e4 99. ... Sc3 100. Sxc3 e2 101. Sxe2 e3 102. 0-0-0
play all

Published in a video on the ChessBase Indian YouTube channel at the 20:43 mark: https://www.youtube.com/watch?v=ULVOb12OQg0&feature=youtu.be

James Malcom: This the record length, after P1384834 and its follow-up P1385390. (2021-01-15)
comment

Keywords: Castling, Move Length Record
Genre: Fairies
FEN: k1b5/1pBp1p2/pP1PpPp1/p3p1P1/8/8/4N3/Rn2K3
Input: James Malcom, 2021-01-15
Last update: James Malcom, 2022-06-12 more...

92 - P1385969
Grigory Popov
SuperProblem (Website) 01/10/2019

(2+16)
#12

1. 0-0! f2+ 2. Kg2 Lc6+ 3. Kxg3 Le5+ 4. Kh4 Lf6+ 5. Kh3 Ld7+ 6. Kg2 Lc6+ 7. Kxf2 Lh4+ 8. Kg1 Lf2+ 9. Kh2 Lg3+ 10. Kxg3 Ld5 11. Ta1+ La2 12. Txa2#
play all

http://superproblem.ru/archive/probl/N/Popov-12x-2019.gif

Record length for K+R minimal with castling
James Malcom: See also https://www.yacpdb.org/#489305 (2021-01-29)
Henrik Juel: Ruined by the shorter solution in 7
3... Le5+ 4.Kxf2 Lg3+ 5.Kxg3 Ld5 6.Ta1+ La2 7.Txa2#
3... Lh4+ 4.Kxh4 Sg6+ 5.Kg3 or 4.Kh2 Lg3+ 5.Kxg3 etc. (2021-01-29)
SCHRECKE: shorter: 4.K:f2 Lg3+ 5.K:g3 Ld5 6.Ta1+ La2 7.T:a2#
Where is the fault? (2021-01-29)
James Malcom: I fixed the fault. The bNf8 is now on g8. (2021-01-29)
Anton Baumann: Computerprüfung mit sSg8: abgesehen vom Dual minor nach 9. ... Lg1+ (10.KxL,TxL) C+ Gustav 4.2a (2022-10-22)
comment

Keywords: Castling, Minimal, Homebase, Move Length Record
Genre: n#
FEN: qr2b1n1/rpn5/kp3b2/1p6/1p1p4/2p2pp1/8/4K2R
Input: James Malcom, 2021-01-29
Last update: James Malcom, 2021-01-29 more...

93 - P1385970
Grigory Popov
YouTube 05/11/2008

(2+16) C+
#14

1. Tf8! Le8 2. Txe8 Th2+ 3. Kg7 Th7+ 4. Kg6 Th6+ 5. Kxg5 Th5+ 6. Kg6 Th6+ 7. Kg7 Th7+ 8. Kxg8 Th8+ 9. Kxh8 Th2+ 10. Kg7 Th7+ 11. Kxh7 Dh2+ 12. Kg8 Dh8+ 13. Kxh8 ... 14. Ta8#
play all

https://www.youtube.com/watch?v=2IX2se9Zhdk

http://superproblem.ru/archive/probl/N/Popov-14x-08.gif

Record length for K+R minimal

SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-01-29)
comment

Keywords: Move Length Record, Aristocrat, Minimal (T)
Genre: n#
FEN: 6nK/1p2p3/1p6/kp4bb/1p2p1p1/1pn5/qrr5/5R2
Input: James Malcom, 2021-01-29
Last update: James Malcom, 2021-01-29 more...

94 - P1386520
Unto Heinonen
P0493v StrateGems 89, p. 36, 01/2020
2. ehrende Erwähnung

(16+16) cooked
BP in 42.5

1. h4 a5 2. Th3 Ta6 3. Tf3 Tg6 4. Sh3 Tg3 5. Sf4 Th3 6. g3 Th2 7. Lh3 Sh6 8. Le6 Sf5 9. Lc4 d5 10. Kf1 Th1+ 11. Kg2 Tg1+ 12. Kh3 Kd7 13. Kg4 h5+ 14. Kg5 Th6 15. a4 Tb6 16. Taa3 Kc6 17. Tac3 Tb3 18. Sg6 Ta3 19. b3 Ta2 20. La3 Dd6 21. Lc5 Sd7 22. La7 Sb6 23. Sh8 Kc5 24. La6+ Kb4 25. Tc5 g6 26. Sc3 Lg7 27. Se4 Lc3 28. Da1 Sd4 29. Kh6 Ld7 30. Kg7 Lb5 31. Kf8 Ld3 32. Ke8 Dc6+ 33. Kd8 Sc4 34. Kc8 Ka3 35. Kb8 Lb4 36. Ka8 De8+ 37. Lb8 Sb6+ 38. Ka7 Sa8 39. c4 Sc2 40. Df6 Sa1 41. Db6 Kb2 42. Tf6 Kb1 43. Sc3+
play all

Cook: 1. a4 a5 2. h4 h5 3. Ta3 Sh6 4. Tc3 Sf5 5. Sh3 Sd4 6. Sf4 Th6 7. Thh3 Tg6 8. Thf3 Tg3 9. Sg6 Sb3 10. Sh8 Th3 11. g3 g6 12. Lg2 Lg7 13. Kf1 Ld4 14. Tf6 d6 15. Ld5 Ta6 16. Kg2 Tb6 17. Kf3 Lf5 18. Kf4 Ld3 19. Kg5 Kd7 20. Kh6 Sa1 21. Kg7 Tb3 22. Lc4 Ta3 23. b3 Ta2 24. La3 Kc6 25. Lc5 Sd7 26. La7 Sb6 27. Dh1+ Kc5 28. La6+ Kb4 29. Tc5 Sc4 30. Sc3 Dd7 31. Kf8 Db5 32. Dc6 d5 33. Se4 Ka3 34. Ke8 Kb2 35. Kd8 Kb1 36. Kc8 Lc3 37. Kb8 Lb4 38. Ka8 Th1 39. Lb8 Sb6+ 40. Ka7 Sa8 41. c4 Tg1 42. Db6 De8 43. Sc3+

Korrektur zu P0002554
James Malcom: Correction of P0002554 (2021-02-15)
paul: 2nd Honorable Mention (SG98, 2022) (2022-08-20)
A.Buchanan: Cooked by Boris Tummes (2022-12-27)
Teppo Mänttä: A substitute version: white Db6 to g7, Tf6 to b6, Sc3 to e4; black Kb1 to b2; BP in 41.5 moves. Unto Heinonen, Tehtäväniekka No. 5, December 2022. (2022-12-29)
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comment

Keywords: Unique Proof Game, Capture-free, Move Length Record
Genre: Retro
FEN: nB2q2N/Kpp1pp2/BQ3Rp1/p1Rp3p/PbP4P/1PNb2P1/r2PPP2/nk4r1
Input: James Malcom, 2021-02-15
Last update: A.Buchanan, 2022-12-27 more...

95 - P1389840
Bo Lindgren
Probleemblad 1999

(11+13)
#30

1. Sc8+! Ka8 2. Sb6+ Ka7 3. c8=T! Sb1+ 4. Ka2 Db3+ 5. Txb3 cxb3+ 6. Kxa1 Lxb2+ 7. Kxb1 c2+ 8. Sxc2 bxc2+ 9. Kxb2 c1=D+ 10. Kxc1 d2+ 11. Kc2 d1=D+ 12. Kxd1 e2+ 13. Kd2 e1=D+ 14. Kxe1 f2+ 15. Kf1 Lc4+ 16. Lxc4 Th1+ 17. Kxf2 T1h2+ 18. Ke1 Te3+ 19. Kd1 Te1+ 20. Kxe1 Te2+ 21. Kd1 Td2+ 22. Kc1 Tc2+ 23. Kb1 Tb2+ 24. Ka1 Tb1+ 25. Ka2 Ta1+ 26. Kb2,Kb3 Tb1+ 27. Ka3 Ta1+ 28. La2 Txa2+ 29. Kxa2 Ka6 30. Ta8#
play all

James Malcom: I think that this is the move length record for consecutive checks to the White king, since P1299570 is cooked. P1281852 was the former length that I knew of until I found this posted in the MatPlus Forums by Siegfried Hornecker: http://matplus.net/start.php?px=1621448156&app=forum&act=posts&fid=xshown&tid=302 (2021-05-19)
paul: Checked by Stockfish. (2022-06-27)
comment

Keywords: Promotion (Tddd x4), Checking key, Stalemate avoidance, Move Length Record
Genre: n#
FEN: 8/k1P2b2/2PN4/PB5R/1Rp1P3/K1pppp1r/1B1n3r/n1bqN3
Input: James Malcom, 2021-05-19
Last update: James Malcom, 2021-05-19 more...

96 - P1391865
Mirko Degenkolbe
Phénix 316 03/2021
1. Preis, Abteilung h#, Mehrzüger
Yves Tallec Memorial 2020-2021
PR Axel Gilbert

(8+11) C+
h#20*
0.1.1...

* 1. ... ... 2. Ka8 La2 3. La7 Lb1 4. Kb8 La2 5. Kc8 Lb1 6. Kd8 La2 7. Ke7 Lb1 8. Kf6 La2 9. Kg5 Lb1 10. Kf4 La2 11. Ke3 Lb1 12. Kd2 La2 13. Kxc2 Lb1 14. Kd1 Ld3 15. c2 Lf1 16. c1=D Lxg2 17. Dd2 Kxh1 18. Dd7 cxd7 19. Ke1,Ke2 d8=D 20. Kf2 Dd2#

1. ... La2 2. Ka8 Lb1 3. La7 La2 4. Kb8 Lb1 5. Kc8 La2 6. Kd8 Lb1 7. Ke7 La2 8. Kf6 Lb1 9. Kg5 La2 10. Kf4 Lb1 11. Kxe4 La2 12. Ke3 Lb1 13. Kd2 La2 14. Kxc2 Lb1 15. Kxb3 Le4 16. Kxc4 Lxg2 17. Kxb5 Lh3 18. g2 Kf2 19. Kc4 Ke3 20. b5 Le6#
play all

(MD1516)

MD: Absoluter Zuglängenrekord für orthodoxe Hilfsmatts mit “identisch” langem Satzspiel. Den Dual minor im Satzspiel kann man verkraften.
Henrik Juel: C+ except for the dual 18.Ke1,Ke2 in set play (2021-07-17)
Olaf Jenkner: Was ist der Rekord für dualfreie Aufgaben? (2021-07-17)
comment

Keywords: Model mate, Move Length Record, Promotion (dD)
Genre: h#
Computer test: Gustav 4.0c
FEN: 1b6/k1p5/1pP5/1Pp1p3/1pP1P3/1Pp3p1/2P3p1/1B4Kb
Reprints: ?
Input: Felber, Volker, 2021-07-17
Last update: Marcin Banaszek, 2022-08-08 more...

97 - P1393307
James Malcom
1627 Julias Fairies 22/06/2021

(13+14) C+
BP in 18.0 (-:
Dummy Pawn Promotion

1. a4 f5 2. Ta3 f4 3. Th3 f3 4. g3 fxe2 5. Lg2 exd1=B 6. Lc6 dxc6 7. Ke2 Lg4+ 8. Ke3 e6 9. Se2 Lb4 10. Txd1 Lc3 11. dxc3 Sf6 12. Td5 Tf8 13. Ta5 Tf7 14. Ta6 Td7 15. a5 Td1 16. Ld2 Tg1 17. Le1 Tg2 18. Sd2 Dd3+
play all

Henrik Juel: What is the (-: trick, James? (2021-08-30)
James Malcom: Nothing special; merely the usual. (2021-08-30)
Henrik Juel: Ah, the old dummy pawn...
Why not spell it out in the stipulation? Not everybody knows 'the usual', and I had forgotten all about it (2021-08-30)
James Malcom: Done! (2021-08-31)
comment

Keywords: Dummy Pawn, Move Length Record, Schnoebelen Theme, Golden Age (Dummy Pawn), Prentos Theme (B), Ceriani-Frolkin Theme (B), Unique Proof Game
Genre: Retro
Computer test: Jacobi v0.7.5 in 24 hours by Michael Caullaud
FEN: rn2k3/ppp3pp/R1p1pn2/P7/6b1/2PqK1PR/1PPNNPrP/4B3
Input: James Malcom, 2021-08-30
Last update: A.Buchanan, 2023-08-04 more...

98 - P1396373
Xyan Tang
SuperProblem (Website) 27/11/2021

(7+16)
#28

1. 0-0-0! 0-0 2. Tg7+ Kh8 3. Txg6+ Kh7 4. Tg7+ Kh8 5. Txg5+ Kh7 6. Tg7+ Kh8 7. Txg4+ Kh7 8. Tg7+ Kh8 9. Txg3+ Kh7 10. Tg7+ Kh8 11. Txg2+ Kh7 12. Tg7+ Kh8 13. Tg4+ Kh7 14. Le4+ Dg6 15. Lxg6+ fxg6 16. Td7+ Tf7 17. Txf7+ Kg8 18. Tg7+ Kf8 19. Txh4 Lxf2 20. Txh2 Lxe3+ 21. Kd1 b3 22. Th3 Lg5 23. Tf3 Lxf6 24. Ta7 Ke8 25. Txf6 b2 26. Txb6 b1=D+ 27. Txb1 ... 28. Tb8#
play all

The longest problem with both sides castling.

http://superproblem.ru/archive/probl/N/Tang-28x-2021.gif

msterkowiec: Computer-tested but failing to find solution after 1...Ne2+.
All works fine, if for example replace b.p.a4 with wh.p.a4 ( #28 4k2r/5p1R/1p3Bnp/6pq/Pp4pr/4P1n1/5Pbp/R3K1bB ) (2022-11-12)
comment

Keywords: Castling, Move Length Record, Promotion, Zwickmühle
Genre: n#
FEN: 4k2r/5p1R/1p3Bnp/6pq/pp4pr/4P1n1/5Pbp/R3K1bB
Input: James Malcom, 2021-11-28
Last update: James Malcom, 2021-12-19 more...

99 - P1397486
Dmitri W. Pronkin
Andrey Frolkin
Werner Keym
Boris Tummes
Rund um die Retroanalyse 25/12/2021

(14+14) cooked
BP in 59.0

1. a4 h5 2. a5 h4 3. a6 h3 4. axb7 hxg2 5. h4 d5 6. h5 d4 7. h6 d3 8. h7 dxc2 9. d4 a5 10. Lh6 c1=T 11. e4 Tc5 12. Se2 Th5 13. e5 c5 14. e6 Sc6 15. b8=T a4 16. Tb4 a3 17. Ta4 c4 18. b4 c3 19. b5 c2 20. b6 c1=T 21. b7 Tc4 22. b8=T Da5+ 23. Tbb4 Lb7 24. Sbc3 0-0-0 25. exf7 e5 26. Tc1 Lc5 27. f8=T a2 28. Tf3 a1=D 29. Sa2 g1=D 30. Tfa3 Dg6 31. f4 De8 32. f5 g5 33. f6 g4 34. f7 g3 35. f8=T g2 36. Tf5 g1=T 37. Lf8 Tgg5 38. Sg3 e4 39. Ld3 e3 40. 0-0 e2 41. Lb1 e1=T 42. Tc2 Te3 43. d5 Td7 44. d6 Tf7 45. d7+ Kb8 46. Dd6+ Ka8 47. Dc7 Sge7 48. d8=T+ Sc8 49. Tdd3 Thg8 50. h8=T Sd8 51. Th6 Lg2 52. Se4 Sb6 53. Sd6 Tf4 54. Sb7 Sc4 55. Thd6 T8g6 56. Tf3 Dg7 57. Te5 Sb2 58. Tbc4 Ld4 59. Sb4 Te1#
play all

https://www.thbrand.de/2021/12/25/59-zuege/

Am vierten Advent hatte ich noch gefragt, wie lange eurer Meinung nach der bestehende Längenrekord für (orthodoxe) Beweispartien wohl noch Bestand haben werde — und sechs Tage später präsentieren vier Autoren ihre Überbietung!! (OK, ich gebe zu: Als ich die Frage stellte, kannte ich schon die Antwort…)

Vor knapp fünf Jahren war der Versuch der ersten drei Autoren noch von Boris Tummes gekocht worden, nun hat er das Autorenteam verstärkt — und herausgekommen ist eine Beweispartie, die nun drei Halbzüge länger ist als der bisherige Rekord.

(diagram)

urz noch einmal zur Geschichte:
In den Jahren 1988/89 arbeiteten Pronkin und Frolkin elf Monate lang mit Hunderten von Positionen. Eine erste Rekordfassung (mit 58,0 Zügen) erschien in der Schwalbe im Juni 1989, eine kleine Korrektur (mit 57,5 Zügen), der bisherige Rekord, im Februar 1990. 2016 unternahm Frolkin, von Keym unterstützt, einen zweiten Versuch (Die Schwalbe , Februar 2017); doch wurde ihre Beweispartie (58,5 Züge) von Tummes als dualistisch nachgewiesen (Die Schwalbe, April 2018). In einem dritten Anlauf gelang Frolkin im Dezember 2021 gemeinsam mit Keym und Tummes der Durchbruch, der neue Rekord mit 59,0 Zügen.

Ich will euch gar nicht empfehlen, die Aufgabe selbst zu lösen — wer das dennoch machen will, wer noch weiter prüfen will, ist natürlich herzlich eingeladen!

Ansonsten: Spielt zuerst einmal die Lösung genüsslich durch, stellt euch für die nächsten Male im Prinzip die gleichen Fragen, wie ich sie für den alten Rekord vorgeschlagen hatte — und zum Schluss versucht einmal die Kniffe zu ergründen, mit denen den fantastischen Vier die Verlängerung gelang? Viel Spaß und anregende Beschäftigung wünsche ich euch dabei!

(solution)

Und den Vieren gilt mein herzlicher Glückwunsch zu dieser Großtat — und mein ebensolcher Dank, dass sie mir die Ehre zuteilwerden ließen, diese Superaufgabe hier im Blog urzudrucken und damit auf einen sicheren ersten Preis in einem beliebigen Informalturnier zu verzichten. Übrigens soll in der Schwalbe 2022 hierzu ein Aufsatz „aus erster Hand“ erscheinen, auf den ich schon sehr gespannt bin.
Cook: 1. a4 h5 2. a5 h4 3. a6 h3 4. axb7 hxg2 25. h4 d5 6. h5 d4 7. h6 d3 8. h7 dxc2 9. d4 a5 10. Lh6 c1=T 11. e4 Tc5 12. Se2 Th5 13. e5 c5 14. e6 Sc6 15. b8=T a4 16. Tb4 a3 17. Ta4 c4 18. b4 c3 19. b5 Da5 20. b6 g1=T 21. b7 Tg4 22. b8=T c2+ 23. T8b4 Lb7 24. d5 0-0-0 25. exf7 e5 26. d6 Kb8 27. d7 Lc5 28. f8=T Sge7 Tf3 a2 30. Tfa3 Sc8 31. f4 g5 32. f5 Tdg8 33. f6 e4 34. f7 e3 35. f8=T Tg6 36. Tf2 Tf4 37. Dd6+ Ka8 38. Sbc3 Thf8 39. Td1 T8f7 40. h8=T a1=D 41. Te8 c1=D 42. Lf8 g4 43. Sa2 g3 44. Dc7 g2 45. d8=T g1=T 46. T8d6 T1g5 47. Sg3 Dg7 48. Ld3 Ld4 49. 0-0 e2 50. Te5 e1=T 51. Lb1 Sd8 52. T1d3 Lg2 53. Se4 Dc6 54. Sc5 Te3 55. Tc2 Sb6 56. T1f3 Sc4 57. Sb7 Sb2 58. Tbc4 De8 59. Sb4 Te1# (Michail Kosulja)

James Malcom: We have a Christmas miracle: a new move length record! (2021-12-25)
Henrik Juel: Yes indeed
But maybe Mario or some other cook-finder will have the last word in a couple of years... (2021-12-26)
Henrik Juel: The cooking is not very surprising, but the speed of its appearance is (2021-12-31)
A.Buchanan: Was any shorter version of this (but greater than 57.5) sound? (2022-04-21)
more ...
comment

Keywords: Move Length Record, Aristocrat, Promotion (TD x12), Castling, Unique Proof Game, Non-standard material (TTTTTTddtttt), konsekutive Umwandlungen 2 (dd)
Genre: Retro
FEN: k2nqB2/1NQ2rq1/3R2r1/q3R1rr/RNRb1r2/R2R1R2/1nR3b1/1B2r1K1
Input: James Malcom, 2021-12-25
Last update: A.Buchanan, 2022-04-21 more...

100 - P1399234
Stephen Emmerson
chess.stephen29emmerson

(7+16) C+
BP in 56.5
Alphabetschach

1. a3 a5 2. Ta2 a4 3. Ta1 Ta5 4. Ta2 Tc5 5. Ta1 b5 6. Ta2 b4 7. Ta1 b3 8. Ta2 bxc2 9. Ta1 Sc6 10. Ta2 cxd1=L 11. Ta1 Txc1 12. Ta2 Tc5 13. Ta1 Tg5 14. Ta2 Sd4 15. Ta1 c5 16. Ta2 c4 17. Ta1 c3 18. Ta2 c2 19. Ta1 c1=T 20. Ta2 Tc6 21. Ta1 Tcg6 22. Ta2 Lb7 23. Ta1 Lxg2 24. Ta2 Lxe2 25. Ta1 Sf5 26. Ta2 d5 27. Ta1 d4 28. Ta2 d3 29. Ta1 Dd4 30. Ta2 Dh4 31. Ta1 Lexf1 32. Ta2 e5 33. Ta1 e4 34. Ta2 e3 35. Ta1 e2 36. Ta2 Ke7 37. Ta1 Kf6 38. Ta2 Sfh6 39. Ta1 Kf5 40. Ta2 Kg4 41. Ta1 f5 42. Ta2 f4 43. Ta1 f3 44. Ta2 Ld6 45. Ta1 Lxh2 46. Ta2 Lxh1 47. Ta1 Lh3 48. Ta2 Kh5 49. Ta1 Tc5 50. Ta2 Tc2 51. Ta1 Txd2 52. Ta2 Tc2 53. Ta1 Tc1+ 54. Kd2 Tc2+ 55. Ke3 Tc8 56. Ta2 Tf8 57. Ta1
play all

http://chess.stephen29emmerson.fastmail.fm.user.fm/longalpha.html#

One of the examples here is fully tested by Popeye. Perhaps this is the longest computer-tested proofgame?

more ...
comment

Keywords: Alphabetic Chess, Move Length Record
Genre: Fairies, Retro
Computer test: Popeye (Time = 55:15:20 h:m:s)
FEN: 5rnr/6pp/6rn/p6k/7q/P2pKp1b/1P2pP1b/RN4Nb
Input: James Malcom, 2022-02-19
Last update: A.Buchanan, 2023-06-03 more...

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