47 problem(s) found in 3124 milliseconds (displaying 47 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND CPLUS AND S='Mat (Belgrad)'] [download as LaTeX]
1 - P0501150
Yuri Bilokin
Mykola D. Mansarliski
4590 Mat (Belgrade) 1985
1. Preis
(2+5) C+
h#6
b) sDg8 nach d5
Yuri Bilokin
Mykola D. Mansarliski
4590 Mat (Belgrade) 1985
1. Preis
(2+5) C+
h#6
b) sDg8 nach d5
a) 1. Ld7 Sb4 2. Tc6 Ka4 3. Ke5 Ka5 4. Lf5 Kb5 5. Tf6 Kc5 6. De6 Sd3#
b) 1. Tc4 Kb2 2. Ke5 Kb1 3. Lc2+ Kc1 4. Kd4 Kd2 5. Te5 Sc1 6. Le4 Sb3#
b) 1. Tc4 Kb2 2. Ke5 Kb1 3. Lc2+ Kc1 4. Kd4 Kd2 5. Te5 Sc1 6. Le4 Sb3#
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 6q1/8/8/5k2/b3r3/K7/N1r5/8
Input: Gerd Wilts, 1996-06-06
Last update: hpr, 1999-05-21 more...
1) 1. Ke4 Txc4+ 2. Kxe5 Txc5+ 3. Kd4 Tb5 4. e5 Tb4#
2) 1. Kxe5 Tb5 2. Kd4 Txc5 3. Lb5+ Txb5 4. e5 Tb4#
2) 1. Kxe5 Tb5 2. Kd4 Txc5 3. Lb5+ Txb5 4. e5 Tb4#
Keywords: Pure Round Trip
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 8/p3p3/p1K1p3/P1p1P3/1Rbk4/2npp3/8/8
Input: Hans-Jürgen Schäfer, 1996-09-23
Last update: hpr, 1999-06-20 more...
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 8/p3p3/p1K1p3/P1p1P3/1Rbk4/2npp3/8/8
Input: Hans-Jürgen Schäfer, 1996-09-23
Last update: hpr, 1999-06-20 more...
1) 1. cxb1=S g8=D 2. Sc3 Db3#
2) 1. cxb1=L g8=T 2. Ka2 Ta8#
2) 1. cxb1=L g8=T 2. Ka2 Ta8#
t/Allumwandlung, u/61113, u/DTsl
Yuri Bilokin: you can see 1...g8=Q 2.cxb1=B Qb3#
1...g8=Q 2.cxb1=S Qb3#
1...Bxc2 2.Ka2 Ra4# (2024-02-29)
comment
Yuri Bilokin: you can see 1...g8=Q 2.cxb1=B Qb3#
1...g8=Q 2.cxb1=S Qb3#
1...Bxc2 2.Ka2 Ra4# (2024-02-29)
comment
Keywords: Allumwandlung, Sacrifice of white pieces, Promotion
Genre: h#
Computer test: (Popeye C-Version 3. 47 (1024 KB))
FEN: 8/6P1/8/8/1R6/k2p4/2p5/1BK5
Input: Erich Bartel, 1997-05-23
Last update: hpr, 1999-10-16 more...
Genre: h#
Computer test: (Popeye C-Version 3. 47 (1024 KB))
FEN: 8/6P1/8/8/1R6/k2p4/2p5/1BK5
Input: Erich Bartel, 1997-05-23
Last update: hpr, 1999-10-16 more...
1) 1. Lb1 Lh1 2. Lf5 Tg2 3. Ke4 Te2#
2) 1. Ld1 Lh7 2. Lf3 Tg6 3. Ke4 Te6#
2) 1. Ld1 Lh7 2. Lf3 Tg6 3. Ke4 Te6#
Keywords: Echo
Genre: h#
Computer test: (Popeye C-Version 3.47 (1024 KB))
FEN: 8/8/8/4k3/2K1BpR1/8/2b5/8
Input: Markus Manhart, 1998-02-16
Last update: hpr, 1999-11-04 more...
Genre: h#
Computer test: (Popeye C-Version 3.47 (1024 KB))
FEN: 8/8/8/4k3/2K1BpR1/8/2b5/8
Input: Markus Manhart, 1998-02-16
Last update: hpr, 1999-11-04 more...
1) 1. Lc8 Tb7 2. Ld7 Lf4 3. 0-0-0 Tb8#
2) 1. Ld4 Lf4 2. 0-0-0 Txb7 3. Td7 Tb8#
3) 1. 0-0-0+ Td7 2. Sb5 Lxf6 3. Sc7 Txd8#
2) 1. Ld4 Lf4 2. 0-0-0 Txb7 3. Td7 Tb8#
3) 1. 0-0-0+ Td7 2. Sb5 Lxf6 3. Sc7 Txd8#
klären autor?
Yuri Bilokin: author Yuri Bilikin
Castling (black, long) × 3 (2024-03-18)
Yuri Bilokin: slip of the pen, author Yuri Bilokin (2024-03-21)
comment
Yuri Bilokin: author Yuri Bilikin
Castling (black, long) × 3 (2024-03-18)
Yuri Bilokin: slip of the pen, author Yuri Bilokin (2024-03-21)
comment
a) 1. f6 Sc4 2. Kb5 Tb6#
b) 1. Tf6 Tb6+ 2. Ka5 Sc4#
b) 1. Tf6 Tb6+ 2. Ka5 Sc4#
Yuri Bilokin: possibly Exchange bQa4-bBg8 6qb/1p3p2/R7/4N3/bk1K4/5r2/8/8 (3+7) h#2 2.1…
1.f6 Sc4 2.Kb5 Rb6# (MM)
1.Rf6 Rb6+ 2.Ka5 Sc4# (MM) (2022-12-17)
comment
1.f6 Sc4 2.Kb5 Rb6# (MM)
1.Rf6 Rb6+ 2.Ka5 Sc4# (MM) (2022-12-17)
comment
Keywords: Fesselungsspiel (212 000 220)
Genre: h#
Computer test: (Popeye C-Version 3.47 (1024 KB))
FEN: 6bb/1p3p2/R7/4N3/qk1K4/5r2/8/8
Input: Markus Manhart, 1998-04-17
Last update: hpr, 1999-01-30 more...
Genre: h#
Computer test: (Popeye C-Version 3.47 (1024 KB))
FEN: 6bb/1p3p2/R7/4N3/qk1K4/5r2/8/8
Input: Markus Manhart, 1998-04-17
Last update: hpr, 1999-01-30 more...
s) 1. 0-0 Tf1 2. Sd1 Sf7#
w) 1. ... 0-0 2. Tf8 Tc1 3. bxc1=D/T#
If both sides can castle then d2-d3, f2xLe3, g2x?h3, while sBg-g1=?. If this were S/L it couldn't escape without checking wK, but if D/T then it must still be on the board. Yet Th8 is original. So mutex applies. Note this is RS, not PRA.
w) 1. ... 0-0 2. Tf8 Tc1 3. bxc1=D/T#
If both sides can castle then d2-d3, f2xLe3, g2x?h3, while sBg-g1=?. If this were S/L it couldn't escape without checking wK, but if D/T then it must still be on the board. Yet Th8 is original. So mutex applies. Note this is RS, not PRA.
Keywords: Castling, mutual exclusive, Tolerated dual promotion, Retro Strategy (RS)
Genre: h#, Retro
Computer test: C+ Popeye 4.61 (except for promotion dual) and analysis C+ Popeye 4.61 (except for promotion dual) and analysis
FEN: 2bqk2r/ppppp2p/2n5/6N1/7B/3PP2P/Pp2PnRP/1B2K2R
Reprints: König & Turm 2000
W172 Dreiklang 2001
Input: Torsten Linss, 1999-04-17
Last update: A.Buchanan, 2021-06-30 more...
Genre: h#, Retro
Computer test: C+ Popeye 4.61 (except for promotion dual) and analysis C+ Popeye 4.61 (except for promotion dual) and analysis
FEN: 2bqk2r/ppppp2p/2n5/6N1/7B/3PP2P/Pp2PnRP/1B2K2R
Reprints: König & Turm 2000
W172 Dreiklang 2001
Input: Torsten Linss, 1999-04-17
Last update: A.Buchanan, 2021-06-30 more...
1. Df4+ Kd8,Kc8 2. Df8+ Kc7 3. Dc5+ Kd8 4. Dd6+ Kc8 5. Ld7+ Kd8 6. Lc6+ Kc8 7. Lb7+ Dxb7#
Keywords: Aristocrat
Genre: s#
FEN: 8/K1k5/8/8/B7/8/3Q4/1q6
Reprints: 633 Selbstmatt-Miniaturen Reflexmatt-Miniaturen 2003
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-05-01
Last update: Frank Müller, 2013-03-04 more...
Genre: s#
FEN: 8/K1k5/8/8/B7/8/3Q4/1q6
Reprints: 633 Selbstmatt-Miniaturen Reflexmatt-Miniaturen 2003
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-05-01
Last update: Frank Müller, 2013-03-04 more...
1. Le1 h5 2. Lg4+ hxg4 3. Lf2 g3 4. Lg1 g2#
Verfeinert Nr. , ref{1917} um das Läuferopfer.
Verfeinert Nr. , ref{1917} um das Läuferopfer.
1. Sd3 h5 2. Lg3 h4 3. Lh2 h3 4. Dg2+ hxg2#
1. Dh2? e4 2. Le1+ Ke3 3. ?
1. Dh1! e4 2. Le1+ Ke3 3. Dh2 exd3 4. Lf2+ Kd2 5. Dg1 dxe2#
1. Dh1! e4 2. Le1+ Ke3 3. Dh2 exd3 4. Lf2+ Kd2 5. Dg1 dxe2#
(MZ634)
.
SCHRECKE: C+, Gustav 4.1d, Brute Force
Das Satzspiel funktioniert aber nicht: 1. ... e4 2. Le1# (2020-08-27)
SCHRECKE: In seinem Buch gibt MZ kein Satzspiel an,
dafür aber den Fehlversuch 1.Dh2? e4 2.Le1+ Ke3 3.? - Weiß hat keinen Wartezug! (2020-08-27)
Felber, Volker: In seinen Originalunterlagen gibt MZ auch kein Satzspiel an. Deshalb habe ich diese Zeile aus der Lösung rausgenommen. (2021-03-25)
more ...
comment
.
SCHRECKE: C+, Gustav 4.1d, Brute Force
Das Satzspiel funktioniert aber nicht: 1. ... e4 2. Le1# (2020-08-27)
SCHRECKE: In seinem Buch gibt MZ kein Satzspiel an,
dafür aber den Fehlversuch 1.Dh2? e4 2.Le1+ Ke3 3.? - Weiß hat keinen Wartezug! (2020-08-27)
Felber, Volker: In seinen Originalunterlagen gibt MZ auch kein Satzspiel an. Deshalb habe ich diese Zeile aus der Lösung rausgenommen. (2021-03-25)
more ...
comment
Keywords: Pure Round Trip (D), Wartezug, Minimal, Dreiecksmarsch (D)
Genre: s#
FEN: 8/8/8/4p3/2R5/3P4/3kBBP1/5KQ1
Reprints: 277 Ausgewählte Schachaufgaben [Zucker] 1989
Input: HBae, 2009-02-06
Last update: Felber, Volker, 2021-03-25 more...
Genre: s#
FEN: 8/8/8/4p3/2R5/3P4/3kBBP1/5KQ1
Reprints: 277 Ausgewählte Schachaufgaben [Zucker] 1989
Input: HBae, 2009-02-06
Last update: Felber, Volker, 2021-03-25 more...
1. Lc7! droht 2. Tf1 ... 3. Te1+ Se5#
droht 2. Tf2 ... 3. Te2+ Se5#
droht 2. Tf3 ... 3. Te3+ Se5#
droht 2. Txf6+ exf6[+wTa1] 3. Te1+ Se5#
1. ... Dxb7[+wSb1] 2. Lxd5[+sSg8]+ Dxd5[+wLf1] 3. Sxf8[+sTh8]+ Sxf8[+wSg1]#
Länderkampf Serbien-Slowenien
PR Nenad Petrovic
droht 2. Tf2 ... 3. Te2+ Se5#
droht 2. Tf3 ... 3. Te3+ Se5#
droht 2. Txf6+ exf6[+wTa1] 3. Te1+ Se5#
1. ... Dxb7[+wSb1] 2. Lxd5[+sSg8]+ Dxd5[+wLf1] 3. Sxf8[+sTh8]+ Sxf8[+wSg1]#
Länderkampf Serbien-Slowenien
PR Nenad Petrovic
* 1. ... fxg2#
1. Dxc4? Th3!
1. Lf1! Kxf1 2. Dxc4 Kf2 3. Dxc5+ Kf1 4. Dg1+ Txg1#
1. Dxc4? Th3!
1. Lf1! Kxf1 2. Dxc4 Kf2 3. Dxc5+ Kf1 4. Dg1+ Txg1#
Keywords: Changed mates
Genre: s#
FEN: 8/8/8/2p5/2p4Q/2N2pr1/3B1kBP/7K
Input: Frank Müller, 2009-06-12
Last update: Marcin Banaszek, 2022-01-27 more...
Genre: s#
FEN: 8/8/8/2p5/2p4Q/2N2pr1/3B1kBP/7K
Input: Frank Müller, 2009-06-12
Last update: Marcin Banaszek, 2022-01-27 more...
1. Se5! d6 2. Sc4 d5 3. Ld4 dxc4 4. Kxb2 c3+ 5. Kc1 Ld2#
1. ... d5 2. Ka4 d4 3. Ka5 d3 4. La4 d2 5. b5 d1=D,~#
ND Mat 01-02/1981 (Was war eher?)
1. ... d5 2. Ka4 d4 3. Ka5 d3 4. La4 d2 5. b5 d1=D,~#
ND Mat 01-02/1981 (Was war eher?)
Keywords: Excelsior black, Pawn step variations
Genre: s#
FEN: 8/3p4/PB4R1/8/1P6/K4N2/1pB1pp2/1R2bk2
Reprints: Mat (Belgrade) 01-02/1981
Input: Frank Müller, 2009-06-12
Last update: Marcin Banaszek, 2021-08-28 more...
Genre: s#
FEN: 8/3p4/PB4R1/8/1P6/K4N2/1pB1pp2/1R2bk2
Reprints: Mat (Belgrade) 01-02/1981
Input: Frank Müller, 2009-06-12
Last update: Marcin Banaszek, 2021-08-28 more...
1. Le5 Sc3 2. Sc2+ Txc2#
1. Le5 Sd4 2. Db1+ Txb1#
1. Le5 Sd6 2. Lxd6 Td2# (bel)
1. Le5 Sc7 2. Lxc7 Td2# (bel)
1. Le5 Sd4 2. Db1+ Txb1#
1. Le5 Sd6 2. Lxd6 Td2# (bel)
1. Le5 Sc7 2. Lxc7 Td2# (bel)
16 - P1086090
Zivko Janevski
Mat (Belgrade) 03-04/1984
Liga Problemista 1983
4. Runde, 10. Platz
(7+9) C+
s#2
Zivko Janevski
Mat (Belgrade) 03-04/1984
Liga Problemista 1983
4. Runde, 10. Platz
(7+9) C+
s#2
1. Sd6 droht 2. Tb3+ axb3#
1. Sd6 Dxe1 2. Tc4+ Sxc4#
1. Sd6 Dxf6 2. Sb5+ Sxb5#
1. Sd6 Lxd6 2. Dc1+ Dxc1#
1. Sd6 Dxe1 2. Tc4+ Sxc4#
1. Sd6 Dxf6 2. Sb5+ Sxb5#
1. Sd6 Lxd6 2. Dc1+ Dxc1#
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 5b2/8/rp3B2/8/pRNn4/K1kp4/P2n4/N3Qq2
Input: Frank Müller, 2009-06-12
Last update: Dieter Berlin, 2024-02-05 more...
1. Ka2! Kd1 2. Kb3 Kc1 3. Te1+ Kd2 4. Td1#
a) 1. Df2? ... Kg5/Kh3 2. Df5/Lf5, ... Kh5!;
1. Dh2! Kxg5 2. Dh4# 1. ... Kf3 2. Le2#
b) 1. Dh2? ... Kg5/Kf3 2. Dh5/Lh5, ... Kf5!;
1. Df2! Kxg5 2. Df4#/ 1. ... Kh3 2. Le6#
1. Dh2! Kxg5 2. Dh4# 1. ... Kf3 2. Le2#
b) 1. Dh2? ... Kg5/Kf3 2. Dh5/Lh5, ... Kf5!;
1. Df2! Kxg5 2. Df4#/ 1. ... Kh3 2. Le6#
1. Th2 b3 2. Ta2+ bxa2 3. c8=T b4 4. Tc4 b3 5. Td4 b2#
1. Ka7 2. Kb6 3. Ka5 4. Ka4 5. Kb3 6. Kb2 7. Kc1 8. Kd2 9. Kxd3 10. Ke2 11. Kf3 12. Kg4 13. Kf5 14. Ke6 15. Kxd6 16. Ke6 17. Kf5 18. Kg4 19. Kf3 20. Ke2 21. Kd2 22. Kc1 23. Kb2 24. Kb3 25. Ka4 26. Ka5 27. Kb6 28. Ka7 29. Kb8 30. Kc8 31. Kd8 32. Kxe8 33. Kd8 34. Kc8 35. Kb8 36. Ka7 37. Kb6 38. Ka5 39. Ka4 40. Kb3 41. Kb2 42. Kc1 43. Kd2 44. Ke2 45. Kf3 46. Kg4 47. Kf5 48. Kxg6 49. Kf5 50. Kg4 51. Kf3 52. Ke2 53. Kd2 54. Kc1 55. Kb2 56. Kb3 57. Ka4 58. Ka5 59. Kb6 60. Ka7 61. Kb8 62. Kc8 63. Kd8 64. Ke8 65. Kf8 66. Kxg8 67. Kf8 68. Ke8 69. Kd8 70. Kc8 71. Kb8 72. Ka7 73. Kb6 74. Ka5 75. Ka4 76. Kb3 77. Kb2 78. Kc1 79. Kd2 80. Ke2 81. Kf3 82. Kg4 83. Kf5 84. Kxf6 85. Kxg5 86. Kg4 87. Kf3 88. g4 89. g5 90. g6 91. gxh7 92. h8=D 93. Dh3 94. Dg2+ Dxg2#
Keywords: Seriesmover, Minimal
Genre: Fairies
Computer test: Gustav 4.2a
FEN: K3b1n1/1p5r/2pb1pn1/6p1/1pr2p2/3p4/2p3Pq/6k1
Input: Frank Müller, 2011-09-04
Last update: Arnold Beine, 2022-10-24 more...
Genre: Fairies
Computer test: Gustav 4.2a
FEN: K3b1n1/1p5r/2pb1pn1/6p1/1pr2p2/3p4/2p3Pq/6k1
Input: Frank Müller, 2011-09-04
Last update: Arnold Beine, 2022-10-24 more...
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=
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...
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...
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=
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...
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...
1. Dc3 Kb1 2. Dd3+ Ka1 3. Dd4 Kb1 4. De4+ Ka1 5. De5 Kb1 6. Df5+ Ka1 7. Df6 Kb1 8. Dg6+ Ka1 9. Dg7 Kb1 10. Dh7+ Ka1 11. Dh8 Kb1 12. Dh1#
White schreibt in 'Tasks & Echoes': "Here we have another type of consecutive White piece journeys quite different from the Merry-Go-Rounds ... No. 11 is a well placed example of the Staircase theme, though by no means the earliest in date. The White Queen starts from the ground floor of her house, and goes slowly upstairs to the very top. She then throws herself out of the window to the street below, possibly with a view to suicide; and surprises herself as much as anybody else to find that by so doing she has really succeeded in mating her old enemy, the Black King, who has been kicking his heels on the street corner."
White schreibt in 'Tasks & Echoes': "Here we have another type of consecutive White piece journeys quite different from the Merry-Go-Rounds ... No. 11 is a well placed example of the Staircase theme, though by no means the earliest in date. The White Queen starts from the ground floor of her house, and goes slowly upstairs to the very top. She then throws herself out of the window to the street below, possibly with a view to suicide; and surprises herself as much as anybody else to find that by so doing she has really succeeded in mating her old enemy, the Black King, who has been kicking his heels on the street corner."
In "Tasks & Echos" mit der Forderung '#12' veröffentlicht. Ebenso im Schach-Echo 1936.
s.a. die Miniaturfassung P1139596 .
Weiterer Nachdruck in "Mitchell's Guide to the game of chess" (1915, S.81)
Mario Richter: Die Information über die Urquelle stammt aus der YACPDB (id=67598). Bei meiner eigenen Recherche im entsprechenden Jahrgang des 'Dubuque Chess J.' habe ich das Problem dort aber nicht gefunden. Wer prüft nochmal nach? (2011-12-17)
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s.a. die Miniaturfassung P1139596 .
Weiterer Nachdruck in "Mitchell's Guide to the game of chess" (1915, S.81)
Mario Richter: Die Information über die Urquelle stammt aus der YACPDB (id=67598). Bei meiner eigenen Recherche im entsprechenden Jahrgang des 'Dubuque Chess J.' habe ich das Problem dort aber nicht gefunden. Wer prüft nochmal nach? (2011-12-17)
more ...
comment
Keywords: Staircase (D)
Genre: n#, Studies
Computer test: Gustav 4.1d
FEN: 8/8/8/8/8/8/ppQKPPP1/k7
Reprints: 11 Tasks & Echoes [A.C.White] 1915
Schach-Echo 06/07/1936
Schachprobleme 1948
Schach-Echo 13, p. 216, 1953
Schachmatt [Kurt Richter] , p. Vorwort, 1958
24 Kurioses Schach , p. 17, 1960
Mat (Belgrade) , p. 96, 09/1973
24 Kurioses Schach 1975
40 Sachove panoptikum 1975
85 100 Classics of the Chessboard 1983
96 Bajke na sahovskoj ploci 1992
(3) The Problemist Supplement 43, p. 362, 11/1999
r671 Mirador 09/2002
2428 Chess Life 11/2004
Input: Mario Richter, 2011-12-17
Last update: James Malcom, 2021-11-01 more...
Genre: n#, Studies
Computer test: Gustav 4.1d
FEN: 8/8/8/8/8/8/ppQKPPP1/k7
Reprints: 11 Tasks & Echoes [A.C.White] 1915
Schach-Echo 06/07/1936
Schachprobleme 1948
Schach-Echo 13, p. 216, 1953
Schachmatt [Kurt Richter] , p. Vorwort, 1958
24 Kurioses Schach , p. 17, 1960
Mat (Belgrade) , p. 96, 09/1973
24 Kurioses Schach 1975
40 Sachove panoptikum 1975
85 100 Classics of the Chessboard 1983
96 Bajke na sahovskoj ploci 1992
(3) The Problemist Supplement 43, p. 362, 11/1999
r671 Mirador 09/2002
2428 Chess Life 11/2004
Input: Mario Richter, 2011-12-17
Last update: James Malcom, 2021-11-01 more...
* 1. ... Sg4 2. Se5+ Sxe5#
* 1. ... Sxf5 2. Sd6+ Sxd6#
1. d8=D? Sxf5! 1. e8=T? Sg4!
1. d6! Sg4 2. Dg7+ Kxg7#
1. ... Sxf5 2. Df6+ Kxf6#
* 1. ... Sxf5 2. Sd6+ Sxd6#
1. d8=D? Sxf5! 1. e8=T? Sg4!
1. d6! Sg4 2. Dg7+ Kxg7#
1. ... Sxf5 2. Df6+ Kxf6#
Keywords: Changed mates
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 6b1/3PPk1p/1p5n/1NpP1PQ1/2Kp4/1P1N4/8/8
Input: Frank Müller, 2011-12-29
Last update: Dieter Berlin, 2024-02-14 more...
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 6b1/3PPk1p/1p5n/1NpP1PQ1/2Kp4/1P1N4/8/8
Input: Frank Müller, 2011-12-29
Last update: Dieter Berlin, 2024-02-14 more...
1. Tg6? Txd3 2. Sd7+ Kxf5!
1. Th6! droht 2. Dc5+ Sd5#
1. ... Lg2 2. d4+ Txd4#
1. ... Txd3 2. Sd7+ Txd7#
1. ... Sxd3 2. f4+ Sxf4#
1. Th6! droht 2. Dc5+ Sd5#
1. ... Lg2 2. d4+ Txd4#
1. ... Txd3 2. Sd7+ Txd7#
1. ... Sxd3 2. f4+ Sxf4#
Genre: s#
FEN: 2Q1R3/4b2B/pNR5/P3kPN1/2K5/1PnP2P1/1prr1P2/4nb2
Input: Frank Müller, 2011-12-29
Last update: Marcin Banaszek, 2021-11-05 more...
1. Ld6+? Kxf6!
1. Ld1 Ke6 2. Lg4+ Ke5 3. Le2 Ke6 4. Lc4+ Ke5 5. Lf1 Ke6 6. Lh3+ Ke5 7. g4 Ke6 8. g5+ Ke5 9. Lf1 Ke6 10. Lc4+ Ke5 11. Ld6+ cxd6#
9. Ld6+? cxd6+ 10. Kc4
1. Ld1 Ke6 2. Lg4+ Ke5 3. Le2 Ke6 4. Lc4+ Ke5 5. Lf1 Ke6 6. Lh3+ Ke5 7. g4 Ke6 8. g5+ Ke5 9. Lf1 Ke6 10. Lc4+ Ke5 11. Ld6+ cxd6#
9. Ld6+? cxd6+ 10. Kc4
Keywords: Preplan
Genre: s#
FEN: 8/2p1B3/2P2P1N/2K1k3/4p3/4P1P1/1rB5/Q7
Input: Frank Müller, 2013-01-15
Last update: James Malcom, 2021-02-04 more...
Genre: s#
FEN: 8/2p1B3/2P2P1N/2K1k3/4p3/4P1P1/1rB5/Q7
Input: Frank Müller, 2013-01-15
Last update: James Malcom, 2021-02-04 more...
1. Shg3! Lh2 2. Sf5 droht 3. Tc7+
2. ... Lg1 3. S5e3 gxf1 4. Sxf1 Lh2 5. Tc7+ Lxc7 6. Db7+ Lxb7#
2. ... Lg1 3. S5e3 gxf1 4. Sxf1 Lh2 5. Tc7+ Lxc7 6. Db7+ Lxb7#
Genre: s#
Computer test: Gustav 4.1d, Brute Force
FEN: 2k1B3/P2RP3/KQb5/1P6/4P3/8/5pp1/2R2NbN
Input: Frank Müller, 2013-01-15
Last update: Alfred Pfeiffer, 2021-02-18 more...
1. Txc7+? Lc6!
1. Th4+? Td4!
1. Sd7! Txd7 2. Txc7+ Txc7 3. Th4+ Ld4#
1. ... Lxd7 2. Th4+ Lg4 3. Txc7+ Lc5#
1. Th4+? Td4!
1. Sd7! Txd7 2. Txc7+ Txc7 3. Th4+ Ld4#
1. ... Lxd7 2. Th4+ Lg4 3. Txc7+ Lc5#
Keywords: Reciprocal moves by White, Nowotny
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 2Rrb3/1pn5/5N2/4Q3/1pk5/p6R/P3P2p/K5br
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2024-02-23 more...
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 2Rrb3/1pn5/5N2/4Q3/1pk5/p6R/P3P2p/K5br
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2024-02-23 more...
1. Le4? Lf4!
1. Ld5? Le5!
1. Lc6? Lc7!
1. Lb7? Lxb8!
1. La8! Lf4 2. Txf4 h2#
1. La8 Le5 2. Txe5 h2#
1. La8 Lc7 2. Txc7 h2#
1. La8 Lxb8 2. Txb8 h2#
1. Ld5? Le5!
1. Lc6? Lc7!
1. Lb7? Lxb8!
1. La8! Lf4 2. Txf4 h2#
1. La8 Le5 2. Txe5 h2#
1. La8 Lc7 2. Txc7 h2#
1. La8 Lxb8 2. Txb8 h2#
Keywords: Domination, Grab, Zugzwang-Goal
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 1B6/8/3b2N1/1R6/2R3p1/5Bkp/4P1p1/6K1
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2023-11-13 more...
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 1B6/8/3b2N1/1R6/2R3p1/5Bkp/4P1p1/6K1
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2023-11-13 more...
a) 1. Lf5? a4 2. La3=
1. Lxf6 a4 2. Lxa4 Tb1#
b) 1. Lxf6? a4 2. Lxa4=
1. Lf5 a4 2. La3 Tb1#
1. Lxf6 a4 2. Lxa4 Tb1#
b) 1. Lxf6? a4 2. Lxa4=
1. Lf5 a4 2. La3 Tb1#
Genre: s#
Computer test: SCHRECKE: a)+b) C+, popeye 4.89
FEN: 8/3BB3/5p2/p7/8/1p3N2/prpR4/K1k5
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2023-11-15 more...
1. Db1 Lh1 2. Dxh1 Kxg7#
1. Db1 Lf1 2. Dxf1 Kxg7#
1. Db1 Lf3 2. Sxf3 Kxg7#
1. Db1 Lh3 2. Sxh3 Kxg7#
1. Db1 Le4 2. Sxe4 Kxg7#
1. Db1 Ld5 2. Lxd5 Kxg7#
1. Db1 Lc6 2. bxc6 Kxg7#
1. Db1 Lb7 2. axb7 Kxg7#
1. Db1 La8 2. Kxa8 Kxg7#
1. Db1 Lf1 2. Dxf1 Kxg7#
1. Db1 Lf3 2. Sxf3 Kxg7#
1. Db1 Lh3 2. Sxh3 Kxg7#
1. Db1 Le4 2. Sxe4 Kxg7#
1. Db1 Ld5 2. Lxd5 Kxg7#
1. Db1 Lc6 2. bxc6 Kxg7#
1. Db1 Lb7 2. axb7 Kxg7#
1. Db1 La8 2. Kxa8 Kxg7#
* 1. ... Se3 2. Txe3 Th1#
* 1. ... Se5 2. Tee6 Th1#
* 1. ... Sf6 2. Dxf6 Th1#
* 1. ... Sh6 2. Dxh6 Th1#
1. Dg3! Se3 2. Dxe3 Th1#
1. Dg3 Se5 2. Dxe5 Th1#
1. Dg3 Sf6 2. Txf6 Th1#
1. Dg3 Sh6 2. Txh6 Th1#
1. ... Sxf2 2. Dxf2 Th1#
* 1. ... Se5 2. Tee6 Th1#
* 1. ... Sf6 2. Dxf6 Th1#
* 1. ... Sh6 2. Dxh6 Th1#
1. Dg3! Se3 2. Dxe3 Th1#
1. Dg3 Se5 2. Dxe5 Th1#
1. Dg3 Sf6 2. Txf6 Th1#
1. Dg3 Sh6 2. Txh6 Th1#
1. ... Sxf2 2. Dxf2 Th1#
Keywords: Changed continuation
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 4R3/1BNk4/2R5/8/6nQ/7p/5Ppr/6K1
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2023-11-15 more...
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 4R3/1BNk4/2R5/8/6nQ/7p/5Ppr/6K1
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2023-11-15 more...
33 - P1259524
Vojko Bartolovic
2100 Mat (Belgrade) 03-04/1978
1. ehrende Erwähnung
(8+5) C+
s#3
b) wLd2 nach d3
Vojko Bartolovic
2100 Mat (Belgrade) 03-04/1978
1. ehrende Erwähnung
(8+5) C+
s#3
b) wLd2 nach d3
a) 1. Tc8 g5 2. La5 g4 3. Lc7 Kxc2#
b) 1. Tc6 g5 2. Lh7 g4 3. Tg6 Kxc2#
b) 1. Tc6 g5 2. Lh7 g4 3. Tg6 Kxc2#
Keywords: Batteriematt horizontal, Cheney-Loyd
Genre: s#
Computer test: SCHRECKE: a)+b): C+ popeye 4.89
FEN: 8/8/6p1/1P1P4/8/P1R3p1/p1RB2P1/rk5K
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2023-11-28 more...
Genre: s#
Computer test: SCHRECKE: a)+b): C+ popeye 4.89
FEN: 8/8/6p1/1P1P4/8/P1R3p1/p1RB2P1/rk5K
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2023-11-28 more...
1. Ld6 Lg8 2. Kd4+ Lb3 3. Ke5 Lxg7#
1. Ld6 Lxg7 2. Kc4+ Lc3 3. Kd5 Lg8#
Vorgänger Rusek 1937
1. Ld6 Lxg7 2. Kc4+ Lc3 3. Kd5 Lg8#
Vorgänger Rusek 1937
Keywords: Reciproce Moves of Black
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 1B5b/1p4Pb/1p4p1/1P4P1/6p1/R2K1kN1/5P1R/8
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2024-02-16 more...
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 1B5b/1p4Pb/1p4p1/1P4P1/6p1/R2K1kN1/5P1R/8
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2024-02-16 more...
* 1. ... e3 2. Se2 Txa6#
* 1. ... g3 2. Sg2 Txa6#
1. Se2? g3 2. Sxg3 Txa6#, aber 1. ... e3!
1. Sg2? e3 2. Sxe3 Txa6#, aber 1. ... g3!
1. Sd5! e3 2. Sxe3 Txa6#
1. Sd5! g3 2. Lxg3 Txa6#
* 1. ... g3 2. Sg2 Txa6#
1. Se2? g3 2. Sxg3 Txa6#, aber 1. ... e3!
1. Sg2? e3 2. Sxe3 Txa6#, aber 1. ... g3!
1. Sd5! e3 2. Sxe3 Txa6#
1. Sd5! g3 2. Lxg3 Txa6#
Keywords: half-pin black pieces
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: K3Q3/4P3/P2B4/rr5p/k3pNpR/p7/P7/8
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2024-01-16 more...
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: K3Q3/4P3/P2B4/rr5p/k3pNpR/p7/P7/8
Input: Frank Müller, 2013-01-15
Last update: Dieter Berlin, 2024-01-16 more...
1. Sa3 c4+ 2. Sb5+ cxb5 3. b4 c3 4. Tg2 Kc6,Kd6 5. Tg6+ Kc7 6. Tb6 axb6#
Genre: s#
FEN: 3R4/p1kP4/P1p5/K1p1r3/2N4B/1P6/2PR3Q/7B
Input: Frank Müller, 2013-01-15
Last update: James Malcom, 2021-02-06 more...
1. Lb3! droht 2. Td5+ Ke6 3. Dxf5+ Lxf5 4. Td6+ Ke5 5. Td4+ Ke6 6. Txe4+ Lxe4#
1. ... Lh5 2. Td7+ Ke6 3. Dxf7+ Lxf7 4. Td6+ Ke5 5. Td8+ Ke6 6. Te8+ Lxe8#
1. ... Lxe2 2. Td3+ Ke6 3. c5+ Sxb3 4. Td6+ Ke5 5. Te6+ Kxe6 6. Sd4+ Sxd4#
Diese Stellung entspricht nicht der ausgezeichneten 2625v. Wo erschien diese erstmalig?? Warum diese Überarbeitung?
1. ... Lh5 2. Td7+ Ke6 3. Dxf7+ Lxf7 4. Td6+ Ke5 5. Td8+ Ke6 6. Te8+ Lxe8#
1. ... Lxe2 2. Td3+ Ke6 3. c5+ Sxb3 4. Td6+ Ke5 5. Te6+ Kxe6 6. Sd4+ Sxd4#
Diese Stellung entspricht nicht der ausgezeichneten 2625v. Wo erschien diese erstmalig?? Warum diese Überarbeitung?
Keywords: Batterie Typ Rehm, Battery play
Genre: s#
FEN: 8/pPB2p1Q/rpKR1P2/1N2kpP1/2P1p1b1/4p3/2B1N3/n7
Input: Frank Müller, 2013-10-30
Last update: Marcin Banaszek, 2021-02-24 more...
Genre: s#
FEN: 8/pPB2p1Q/rpKR1P2/1N2kpP1/2P1p1b1/4p3/2B1N3/n7
Input: Frank Müller, 2013-10-30
Last update: Marcin Banaszek, 2021-02-24 more...
Korrektur in 07-08/1979, Seite 73
1. Sb6? Dc4!
1. Scd6! droht 2. c4+ Lxb3#
1. Scd6 c4 2. Td4+ Lxd4#
1. Scd6 Sc4 2. Dc2+ Lxc2#
1. Scd6 Dc4 2. Tg3+ Le3#
1. Sb6? Dc4!
1. Scd6! droht 2. c4+ Lxb3#
1. Scd6 c4 2. Td4+ Lxd4#
1. Scd6 Sc4 2. Dc2+ Lxc2#
1. Scd6 Dc4 2. Tg3+ Le3#
Keywords: x pieces move to one square (s)
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 6q1/8/5P2/1pp2N2/b1N3R1/nQPk4/3p2p1/3K2br
Input: Frank Müller, 2013-10-30
Last update: Dieter Berlin, 2024-02-28 more...
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 6q1/8/5P2/1pp2N2/b1N3R1/nQPk4/3p2p1/3K2br
Input: Frank Müller, 2013-10-30
Last update: Dieter Berlin, 2024-02-28 more...
1. Lh2 droht 2. e4+ dxe4 3. Dh3+ Txh3#
1. Lh2 Txe3 2. Se7+ Texe7 3. Dh7+ Txh7#
1. Lh2 Dxd4 2. Tg5+ fxg5+ 3. Sg7+ Dxg7#
1. Lh2 Txe3 2. Se7+ Texe7 3. Dh7+ Txh7#
1. Lh2 Dxd4 2. Tg5+ fxg5+ 3. Sg7+ Dxg7#
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 2B1N1RK/3r4/2NR1p2/3p1k2/q2P3Q/r3P1B1/p1p5/8
Input: Frank Müller, 2013-10-30
Last update: Dieter Berlin, 2024-04-12 more...
1. Se3! f6 2. Sf5 fxe5 3. Kd5 Kxd7 4. Db5+ Txb5#
1. ... f5 2. Sc5 f4 3. Kd5 f3 4. De6+ Td7#
1. ... f5 2. Sc5 f4 3. Kd5 f3 4. De6+ Td7#
Genre: s#
FEN: b1k5/Pr1N1p2/Q1K5/B2NP3/2R5/8/8/8
Input: Frank Müller, 2013-10-30
Last update: Marcin Banaszek, 2022-03-16 more...
1. Lf4! droht 2. Se5+ Txe5#
1. ... Sce4 2. De3+ Txe3#
1. ... Sde4 2. Se1+ Txe1#
1. ... Sce4 2. De3+ Txe3#
1. ... Sde4 2. Se1+ Txe1#
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 8/8/6N1/1p2B3/3Q2p1/2nK1k2/2Nnrrp1/b4bq1
Input: Frank Müller, 2013-10-30
Last update: Dieter Berlin, 2024-02-16 more...
1. c8=T! droht 2. Tb8 ... 3. Tb6+ axb6#
1. c8=T Sxc2 2. Sd4+ Sxd4 3. Tc6+ Sxc6#
1. c8=T Sxf3 2. Sd4+ Sxd4 3. Tc6+ Sxc6#
1. c8=T Sd3 2. Te2+ Se5 3. Lb6 axb6#
1. c8=T Sxc2 2. Sd4+ Sxd4 3. Tc6+ Sxc6#
1. c8=T Sxf3 2. Sd4+ Sxd4 3. Tc6+ Sxc6#
1. c8=T Sd3 2. Te2+ Se5 3. Lb6 axb6#
Keywords: under-promotion key (T), Pawn mate
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 3R4/p1P3Q1/P3k3/K4p2/P4p2/1r3N2/B1N2R2/4n1B1
Input: Frank Müller, 2013-10-30
Last update: Dieter Berlin, 2024-03-03 more...
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: 3R4/p1P3Q1/P3k3/K4p2/P4p2/1r3N2/B1N2R2/4n1B1
Input: Frank Müller, 2013-10-30
Last update: Dieter Berlin, 2024-03-03 more...
1. c8=L 2. L8xf5[+sBf7] 3. Lxg4[+sBg7] 4. hxg7 5. g8=S 6. h8=D 7. Dh6 8. Dxc1[+sLf8] 9. Kb2 10. Dxf1[+sTa8] 11. Dc1 12. b8=T+ Txb8[+wTa1]#
paul: Tested with Jacobi in about 15 hours. This is maybe the first ser-s# in Circe ever composed. (2022-06-04)
comment
comment
Keywords: Seriesmover, Allumwandlung, Circe
Genre: Fairies
FEN: 4k3/1PP4P/7P/5p2/3p2p1/8/8/Kbb2r2
Reprints: feenschach 22, p. 301, 06/1974
Serienzugrekorde 1978
Mat (Belgrade) , p. 47, 05/1978
Input: Erich Bartel, 2015-03-27
Last update: Vaclav Kotesovec, 2017-12-26 more...
Genre: Fairies
FEN: 4k3/1PP4P/7P/5p2/3p2p1/8/8/Kbb2r2
Reprints: feenschach 22, p. 301, 06/1974
Serienzugrekorde 1978
Mat (Belgrade) , p. 47, 05/1978
Input: Erich Bartel, 2015-03-27
Last update: Vaclav Kotesovec, 2017-12-26 more...
1. Lb7? Kb8 2. Lc6 Kc8 3. Tbb7 Se6!
1. Ld7! Ka7 2. Lxg4 Ka8 3. Ld7 Ka7 4. Lc8 Ka8 5. Lb7 Kb8 6. Lg2 Kc8 7. Lh3 Sxh3 8. Tbb7 ... 9. Tgc7#
1. Ld7! Ka7 2. Lxg4 Ka8 3. Ld7 Ka7 4. Lc8 Ka8 5. Lb7 Kb8 6. Lg2 Kc8 7. Lh3 Sxh3 8. Tbb7 ... 9. Tgc7#
Keywords: Pendulum
Genre: n#
Computer test: Gustav 4.1d
FEN: k1B1K3/6R1/8/4p2p/5np1/1Rp3n1/8/2q1b3
Reprints: XIII Schach-Echo 12, p. 192, 06/1982
Input: Felber, Volker, 2015-12-16
Last update: Arnold Beine, 2021-04-02 more...
Genre: n#
Computer test: Gustav 4.1d
FEN: k1B1K3/6R1/8/4p2p/5np1/1Rp3n1/8/2q1b3
Reprints: XIII Schach-Echo 12, p. 192, 06/1982
Input: Felber, Volker, 2015-12-16
Last update: Arnold Beine, 2021-04-02 more...
1. Sf5+ Ke6 2. Sg7+ Kd6 3. Lb2 axb2! 4. Sf5+ Ke6 5. Sd4+ Kd6 6. e4 ... 7. e5+ fxe5#
Genre: s#
FEN: 2RKB3/8/3k1p2/8/2PN3b/p2NP1p1/8/R1Bb4
Input: Frank Müller, 2016-11-15
Last update: Marcin Banaszek, 2020-11-18 more...
1. dxc3ep Lb5#? etc because under AP, only 0-0-0 justifies earlier ep
1. dxc3ep 2. 0-0-0! 3. Kc7 4. Ta8 5. Kd8 6. Ke8 Lb5#
White pawns captured all seven missing black men (so Black promoted [Ph7] on h1)
The only way to preserve the black castling right is with a retro-play starting with R: 1.c2-c4 c3xDb2
So if Black may castle, he may also capture ep now.
Popeye quickly shows (1) there are no solutions without immediate ep, and (2) there is exactly one solution after 2. 0-0-0. However trickier to demonstrate that there is no solution in which the castling comes later (about 900K candidates searched).
1. dxc3ep 2. 0-0-0! 3. Kc7 4. Ta8 5. Kd8 6. Ke8 Lb5#
White pawns captured all seven missing black men (so Black promoted [Ph7] on h1)
The only way to preserve the black castling right is with a retro-play starting with R: 1.c2-c4 c3xDb2
So if Black may castle, he may also capture ep now.
Popeye quickly shows (1) there are no solutions without immediate ep, and (2) there is exactly one solution after 2. 0-0-0. However trickier to demonstrate that there is no solution in which the castling comes later (about 900K candidates searched).
Henrik Juel: White pawns captured all seven missing black men (so Black promoted [Ph7] on h1)
The only way to preserve the black castling right is with a retroplay starting with R: 1.c2-c4 c3xDb2
So if Black may castle, he may also capture ep now
1.dxc3ep Lb5 does not work, because Black must castle to legitimize the ep capture
1.dxc3ep 2.0-0-0 3.Kc7 4.Ta8 5.Kd8 6.Ke8 Lb5#
Nice 'uncastling' (2022-05-27)
comment
The only way to preserve the black castling right is with a retroplay starting with R: 1.c2-c4 c3xDb2
So if Black may castle, he may also capture ep now
1.dxc3ep Lb5 does not work, because Black must castle to legitimize the ep capture
1.dxc3ep 2.0-0-0 3.Kc7 4.Ta8 5.Kd8 6.Ke8 Lb5#
Nice 'uncastling' (2022-05-27)
comment
Keywords: a posteriori (AP) (Type Petrovic), Castling (sg), En passant as key, Seriesmover
Genre: Retro, Fairies
Computer test: HC+ Popeye v4.87 & simple retro-logic & MS Excel to search 900K candidate solutions
FEN: r3kb2/4p1p1/4P3/2P1PP2/1NPpKpN1/BP1B1R2/pp1RPP2/8
Input: A.Buchanan, 2022-05-27
Last update: A.Buchanan, 2023-01-29 more...
Genre: Retro, Fairies
Computer test: HC+ Popeye v4.87 & simple retro-logic & MS Excel to search 900K candidate solutions
FEN: r3kb2/4p1p1/4P3/2P1PP2/1NPpKpN1/BP1B1R2/pp1RPP2/8
Input: A.Buchanan, 2022-05-27
Last update: A.Buchanan, 2023-01-29 more...
1. De1? Sg2,Sc2 Txf5# 1. ... Kc5 Da5# 1. ... Ke6 2. Lxc4# 1. ... Sg4!
1. Dg1! Sg2,Sc2 2. Lxc4# 1. ... Kc5 2. Txf5# 1. ... Ke6 2. Dg8#
1. Dg1! Sg2,Sc2 2. Lxc4# 1. ... Kc5 2. Txf5# 1. ... Ke6 2. Dg8#
Keywords: Zugzwang-Goal, Changed mates, pin-mate, Line opening
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: 8/2K5/2N2p2/3k1p2/2p2R2/4n3/B7/1Q6
Reprints: 81 Schweizer Schachkompositionen 1976-1986 , p. 33, 1989
Input: Dieter Berlin, 2023-11-05
Last update: Dieter Berlin, 2023-11-05 more...
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: 8/2K5/2N2p2/3k1p2/2p2R2/4n3/B7/1Q6
Reprints: 81 Schweizer Schachkompositionen 1976-1986 , p. 33, 1989
Input: Dieter Berlin, 2023-11-05
Last update: Dieter Berlin, 2023-11-05 more...
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Teppo Mänttä: reprint: 512 Minimalkunst im Schach 2006 (2021-04-29)
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