11 problem(s) found in 2649 milliseconds (displaying 11 problem(s)). [COMMENTDATE>=20220810 AND G='Retro' AND NOT K='Berolinaschach' AND K='Rundlauf'] [download as LaTeX]
1. g3 h5 2. Lh3 Th6 3. Kf1 Te6 4. Kg2 f6 5. Kf3 Te3+ 6. Kf4 e5+ 7. Kf5 Lb4 8. Kg6 De7 9. Kh7 Dc5 10. Kxg8 d6 11. Kxg7 Lg4 12. Kg6 Lf3 13. exf3 Te1 14. Se2 Tg1 15. Kf5 Tg2 16. Te1 a5 17. Sg1 a4 18. Te3 Ta5 19. Tb3 axb3 20. Ke4 bxa2 21. Kd3 e4+ 22. Ke2 e3 23. Ke1
Keywords: Unique Proof Game, Round Trip (K)
Genre: Retro
Computer test: Stelvio 1.0
FEN: 1n2k3/1pp5/3p1p2/r1q4p/1b6/4pPPB/pPPP1PrP/RNBQK1N1
Reprints: 2799v Phénix 146 12/2005
Input: Gerd Wilts, 1999-02-27
Last update: Silvio Baier, 2023-03-02 more...
Genre: Retro
Computer test: Stelvio 1.0
FEN: 1n2k3/1pp5/3p1p2/r1q4p/1b6/4pPPB/pPPP1PrP/RNBQK1N1
Reprints: 2799v Phénix 146 12/2005
Input: Gerd Wilts, 1999-02-27
Last update: Silvio Baier, 2023-03-02 more...
2 - P0009151
Gianni Donati
R038 Probleemblad 09/1998
Michel Caillaud gewidmet
1. Lob
(14+15) C+
BP in 22,0
Gianni Donati
R038 Probleemblad 09/1998
Michel Caillaud gewidmet
1. Lob
(14+15) C+
BP in 22,0
1. h4 Sf6 2. h5 Sd5 3. h6 gxh6 4. Sf3 Lg7 5. Tg1 Lc3 6. Se5 Kf8 7. f3 Kg7 8. Kf2 Dg8 9. Kg3 Kf8+ 10. Kh4 Dg6 11. d4 Db6 12. Kh5 Db3 13. axb3 Ke8 14. Ta6 Kd8 15. Tf6 exf6 16. Sa3 Se7 17. d5 Te8 18. Dd4 Sg8 19. Da4 Lb4 20. c4 Lf8 21. Sc2 Te7 22. Se1 Ke8
Keywords: Unique Proof Game, Round Trip (k), Pure Round Trip (sl)
Genre: Retro
Computer test: Computerprüfung: C+ Stelvio 1.0 00:08:49 Minuten. (hh:mm:ss) Keine Lösung: BP 21.0, BP 21.5.
FEN: rnb1kbn1/pppprp1p/5p1p/3PN2K/Q1P5/1P3P2/1P2P1P1/2B1NBR1
Input: Gerd Wilts, 1999-02-27
Last update: A.Buchanan, 2023-03-13 more...
Genre: Retro
Computer test: Computerprüfung: C+ Stelvio 1.0 00:08:49 Minuten. (hh:mm:ss) Keine Lösung: BP 21.0, BP 21.5.
FEN: rnb1kbn1/pppprp1p/5p1p/3PN2K/Q1P5/1P3P2/1P2P1P1/2B1NBR1
Input: Gerd Wilts, 1999-02-27
Last update: A.Buchanan, 2023-03-13 more...
3 - P1011888
Michel Caillaud
Reto Aschwanden
Retros mailing list 31/12/2003
5. Preis
Gianni Donati 50th Jubilee Tourney
(15+14) C+
BP in 24,5
Michel Caillaud
Reto Aschwanden
Retros mailing list 31/12/2003
5. Preis
Gianni Donati 50th Jubilee Tourney
(15+14) C+
BP in 24,5
1. c4 e5 2. c5 Ld6 3. cxd6 c5 4. Db3 c4 5. Dh3 c3 6. d3 c2 7. Ld2 c1=L 8. b4 Lb2 9. Sa3 Lc3 10. 0-0-0 g5 11. Le1 Ld2+ 12. Kb2 g4 13. Tc1 g3 14. Txc8 gxf2 15. Tc3 Dh4 16. g3 Sf6 17. Lg2 f1=L 18. e3 Le2 19. Sc4 Lf3 20. Se2 Tg8 21. Tf1 Tg6 22. Lh1 Lg2 23. Tf3 Lf1 24. Ka3 Lc1+ 25. Sb2
Matching squares traced by the promoted Bishops! That this is managed without extra-set pieces is astounding. (PR Gianni Donati)
Cook: 1. c4 e5 2. c5 Ld6 3. cxd6 g5 4. d3 g4 5. e3 g3 6. Dg4 c5 7. Sc3 c4 8. Sa4 c3 9. Ld2 Sh6 10. 0-0-0 c2 11. b4 Tg8 12. Kb2 gxf2 13. g3 Tg6 14. Lg2 f1=L 15. Ka3 c1=L+ 16. Sb2 Le2 17. Le1 Ld2 18. Tc1 Sg8 19. Txc8 Lc1 20. Tc3 Lf3 21. Se2 Dh4 22. Tf1 Sf6 23. Lh1 Lg2 24. Tf3 Lf1 25. Dh3
Matching squares traced by the promoted Bishops! That this is managed without extra-set pieces is astounding. (PR Gianni Donati)
Cook: 1. c4 e5 2. c5 Ld6 3. cxd6 g5 4. d3 g4 5. e3 g3 6. Dg4 c5 7. Sc3 c4 8. Sa4 c3 9. Ld2 Sh6 10. 0-0-0 c2 11. b4 Tg8 12. Kb2 gxf2 13. g3 Tg6 14. Lg2 f1=L 15. Ka3 c1=L+ 16. Sb2 Le2 17. Le1 Ld2 18. Tc1 Sg8 19. Txc8 Lc1 20. Tc3 Lf3 21. Se2 Dh4 22. Tf1 Sf6 23. Lh1 Lg2 24. Tf3 Lf1 25. Dh3
Henrik Juel: an important keyword is missing: Donati theme
same in (some of) P1011889-P1011929 (2018-12-18)
Henrik Juel: Natch 3.1 found nothing in half an hour (2018-12-18)
Michel Caillaud: Reprint : H71 p.585, FIDE Album 2001-03
Cooked using Jacobi 0.7.5 with constraints :
1.c4 e5 2.c5 Ld6 3.cxd6 g5 4.d3 g4 5.e3 g3 6.Dg4 c5 7.Sc3 c4 8.Sa4 c3 9.Ld2 Sh6 10.0-0-0 c2 11.b4 Tg8 12.Kb2 gxf2 13.g3 Tg6 14.Lg2 f1=L 15.Ka3 c1=L+ 16.Sb2 Le2 17.Le1 Ld2 18.Tc1 Sg8 19.Txc8 Lc1 20.Tc3 Lf3 21.Se2 Dh4 22.Tf1 Sf6 23.Lh1 Lg2 24.Tf3 Lf1 25.Dh3
Correction : sTg6 to g4 (21...Tg4 instead of 21...Tg6 in the solution)
With the set of constraints used to uncork the cook, Jacobi 0.7.5 finds only the intended solution... (2021-09-20)
Michel Caillaud: The correction sTg6 to g4 was published in StrateGems 99 (p.138, sept. 2022)
It is C+ by Stelvio 0.93 (2022-12-18)
comment
same in (some of) P1011889-P1011929 (2018-12-18)
Henrik Juel: Natch 3.1 found nothing in half an hour (2018-12-18)
Michel Caillaud: Reprint : H71 p.585, FIDE Album 2001-03
Cooked using Jacobi 0.7.5 with constraints :
1.c4 e5 2.c5 Ld6 3.cxd6 g5 4.d3 g4 5.e3 g3 6.Dg4 c5 7.Sc3 c4 8.Sa4 c3 9.Ld2 Sh6 10.0-0-0 c2 11.b4 Tg8 12.Kb2 gxf2 13.g3 Tg6 14.Lg2 f1=L 15.Ka3 c1=L+ 16.Sb2 Le2 17.Le1 Ld2 18.Tc1 Sg8 19.Txc8 Lc1 20.Tc3 Lf3 21.Se2 Dh4 22.Tf1 Sf6 23.Lh1 Lg2 24.Tf3 Lf1 25.Dh3
Correction : sTg6 to g4 (21...Tg4 instead of 21...Tg6 in the solution)
With the set of constraints used to uncork the cook, Jacobi 0.7.5 finds only the intended solution... (2021-09-20)
Michel Caillaud: The correction sTg6 to g4 was published in StrateGems 99 (p.138, sept. 2022)
It is C+ by Stelvio 0.93 (2022-12-18)
comment
Keywords: Unique Proof Game, Round Trip, Pure Round Trip (ll), Obvious promotion (l), Promotion (ll), Donati Theme
Genre: Retro
Computer test: Resolution time: Natch 3.3: ---, Euclide 1.11: ---, Stelvio 1.14: 15:10min
FEN: rn2k3/pp1p1p1p/3P1n2/4p3/1P4rq/K1RPPRPQ/PN2N2P/2b1Bb1B
Input: Gerd Wilts, 2004-01-01
Last update: Silvio Baier, 2023-08-15 more...
Genre: Retro
Computer test: Resolution time: Natch 3.3: ---, Euclide 1.11: ---, Stelvio 1.14: 15:10min
FEN: rn2k3/pp1p1p1p/3P1n2/4p3/1P4rq/K1RPPRPQ/PN2N2P/2b1Bb1B
Input: Gerd Wilts, 2004-01-01
Last update: Silvio Baier, 2023-08-15 more...
4 - P1011929
Nicolas Dupont
Retros mailing list 31/12/2003
Lob
Gianni Donati 50th Jubilee Tourney
(10+15)
BP in 29,5
Nicolas Dupont
Retros mailing list 31/12/2003
Lob
Gianni Donati 50th Jubilee Tourney
(10+15)
BP in 29,5
1. Sf3 e5 2. Sd4 exd4 3. Sc3 dxc3 4. h4 cxb2 5. Th3 bxa1=L 6. Tg3 Lb2 7. Tg6 hxg6 8. a4 Th5 9. a5 Txa5 10. h5 Ta1 11. h6 a5 12. hxg7 Sh6 13. g8=L a4 14. Lh7 a3 15. Lg8 a2 16. Lh7 L8a3 17. Lg8 Ke7 18. Lh7 Kd6 19. Lg8 Kc5 20. Lh7 Kb4 21. Lg8 c5 22. Lh7 Da5 23. Lg8 b6 24. Lh7 Lb7 25. Lg8 Lf3 26. Lh7 Sc6 27. Lg8 Te8 28. Lh7 Te4 29. Lg8 Se5 30. Lh7
A six-fold oscillation by the theme Bishop, made necessary because no one else can move. Compare with Satoshi Hashimoto, Problem Paradise 1999. (PR Gianni Donati)
A six-fold oscillation by the theme Bishop, made necessary because no one else can move. Compare with Satoshi Hashimoto, Problem Paradise 1999. (PR Gianni Donati)
Silvio Baier: Kann noch nicht komplett getestet werden, aber die Version 12. h7 a4 13. hxg8=L a3 14. Lh7 a2 15. Lg8 La3 16. Lh7 Ke7 17. Lg8 Kd6 18. Lh7 Kc5 19. Lg8 Kb4 20. Lh7 c5 21. Lg8 Qa5 22. Lh7 b6 23. Lg8 Lb7 24. Lh7 Lf3 25. Lg8 Sc6 26. Lh7 Re8 27. Lg8 Te4 28. Lh7 Se5 29. Lg8 ist C+ (Stelvio 1.5) (2023-08-18)
comment
comment
Keywords: Unique Proof Game, Pendulum (L x12), Round Trip, Non-standard material
Genre: Retro
FEN: 8/3p1p1B/1p4pn/q1p1n3/1k2r3/b4b2/pbPPPPP1/r1BQKB2
Input: Gerd Wilts, 2004-01-01
Last update: James Malcom, 2023-05-04 more...
Genre: Retro
FEN: 8/3p1p1B/1p4pn/q1p1n3/1k2r3/b4b2/pbPPPPP1/r1BQKB2
Input: Gerd Wilts, 2004-01-01
Last update: James Malcom, 2023-05-04 more...
5 - P1232272
Mark Kirtley
Retros mailing list 31/12/2003
4. Preis (version)
Gianni Donati 50th Jubilee Tourney
(14+12) C+
BP in 23,5
Mark Kirtley
Retros mailing list 31/12/2003
4. Preis (version)
Gianni Donati 50th Jubilee Tourney
(14+12) C+
BP in 23,5
1. a4 h5 2. a5 Th6 3. a6 Tc6 4. axb7 a5 5. bxc8=L a4 6. La6 Dc8 7. Lc4 Da6 8. Le6 Dd3 9. exd3 a3 10. Df3 a2 11. Df6 exf6 12. f4 Ld6 13. f5 Lxh2 14. Kd1 Le5 15. Th4 d6 16. Tb4 h4 17. Lc8 h3 18. Txb8 h2 19. Tb5 h1=T 20. Le6 Th2 21. Lc4 0-0-0 22. Td5 Kb7 23. La6+ Kb6 24. Lc8
Cook: 1. a2-a4 a7-a5 2. f2-f4 b7-b5 3. Ke1-f2 h7-h5 4. Kf2-e3 Th8-h6 5. Dd1-e1 Th6-c6 6. a4xb5 a5-a4 7. De1-h4 a4-a3 8. Dh4-f6 e7xf6 9. Ke3-f2 Lf8-d6 10. b5-b6 Ld6-e5 11. b6-b7 d7-d6 12. b7xc8=L Dd8-d7 13. h2-h3 Dd7xh3 14. f4-f5 Dh3-d3 15. Th1-h4 a3-a2 16. Th4-b4 h5-h4 17. Tb4xb8 h4-h3 18. Tb8-b5 h3-h2 19. Tb5-d5 h2-h1=T 20. Lc8-a6 Th1-h2 21. La6-b5 0-0-0 22. e2xd3 Kc8-b7 23. Lb5-a6+ Kb7-b6 24. La6-c8 (Stelvio v0.93, RA)
Cook: 1. a2-a4 a7-a5 2. f2-f4 b7-b5 3. Ke1-f2 h7-h5 4. Kf2-e3 Th8-h6 5. Dd1-e1 Th6-c6 6. a4xb5 a5-a4 7. De1-h4 a4-a3 8. Dh4-f6 e7xf6 9. Ke3-f2 Lf8-d6 10. b5-b6 Ld6-e5 11. b6-b7 d7-d6 12. b7xc8=L Dd8-d7 13. h2-h3 Dd7xh3 14. f4-f5 Dh3-d3 15. Th1-h4 a3-a2 16. Th4-b4 h5-h4 17. Tb4xb8 h4-h3 18. Tb8-b5 h3-h2 19. Tb5-d5 h2-h1=T 20. Lc8-a6 Th1-h2 21. La6-b5 0-0-0 22. e2xd3 Kc8-b7 23. Lb5-a6+ Kb7-b6 24. La6-c8 (Stelvio v0.93, RA)
The promoted white Bishop leaves its promotion square by a counterclockwise route. No sooner has it returned than it leaves again and retraces its steps, clockwise now! (PR Gianni Donati)
Correction of P1011887
Michel Caillaud: The correction found in the Winchloé database is with 14.Kd1 instead of 14.Kf2 and is C+ (Natch, Stelvio...) (2022-12-18)
comment
Correction of P1011887
Michel Caillaud: The correction found in the Winchloé database is with 14.Kd1 instead of 14.Kf2 and is C+ (Natch, Stelvio...) (2022-12-18)
comment
Keywords: Unique Proof Game, Round Trip, Pure Round Trip (L)
Genre: Retro
Computer test: Stelvio 1.0
FEN: 2Br2n1/2p2pp1/1krp1p2/3RbP2/8/3P4/pPPP2Pr/RNBK1BN1
Input: Dan Meinking, 2012-02-15
Last update: Silvio Baier, 2023-03-02 more...
Genre: Retro
Computer test: Stelvio 1.0
FEN: 2Br2n1/2p2pp1/1krp1p2/3RbP2/8/3P4/pPPP2Pr/RNBK1BN1
Input: Dan Meinking, 2012-02-15
Last update: Silvio Baier, 2023-03-02 more...
1. e4 d5 2. exd5 Sc6 3. dxc6 Dd4 4. cxb7 Dxb2 5. d4 Dxa1 6. Lb2 Dxb2 7. d5 Db5 8. d6 Dd7 9. bxc8=T+ Dd8 10. d7#
Moldenhauer: Computerprüfung: C+ Stelvio 1.4 3 Sekunden.
Keine Lösung: BP 9.0 mit Stelvio 1.31 überprüft.
Notation: 1.e4 d5 2.exd5 Sc6 3.dxc6 Dd4 4.cxb7 Dxb2 5.d4 Dxa1 6.Lb2 Dxb2
7.d5 Db5 8.d6 Dd7 9.bxc8=T+ Dd8 10.d7# (2023-07-23)
comment
Keine Lösung: BP 9.0 mit Stelvio 1.31 überprüft.
Notation: 1.e4 d5 2.exd5 Sc6 3.dxc6 Dd4 4.cxb7 Dxb2 5.d4 Dxa1 6.Lb2 Dxb2
7.d5 Db5 8.d6 Dd7 9.bxc8=T+ Dd8 10.d7# (2023-07-23)
comment
Keywords: Unique Proof Game, Homebase (s), Pure mate, Round Trip (d), Hit Squad
Genre: Retro
Computer test: Stelvio 1.4
FEN: r1Rqkbnr/p1pPpppp/8/8/8/8/P1P2PPP/1N1QKBNR
Input: A.Buchanan, 2019-01-25
Last update: Silvio Baier, 2023-11-14 more...
Genre: Retro
Computer test: Stelvio 1.4
FEN: r1Rqkbnr/p1pPpppp/8/8/8/8/P1P2PPP/1N1QKBNR
Input: A.Buchanan, 2019-01-25
Last update: Silvio Baier, 2023-11-14 more...
7 - P1365458
Antonio Garofalo
Enzo Minerva
952 Sinfonie Scacchistiche
ehrende Erwähnung
Jubilee-50 Sinfonie Scacchistiche 2015
(11+15) C+
KBP 14.5
Antonio Garofalo
Enzo Minerva
952 Sinfonie Scacchistiche
ehrende Erwähnung
Jubilee-50 Sinfonie Scacchistiche 2015
(11+15) C+
KBP 14.5
1. g3 c5 2. Lh3 Da5 3. Kf1 Dxa2 4. Kg2 Dxb1 5. Kf3 Dxc1 6. Ke4 d5+ 7. Kxd5 Dxd1 8. Kc4 Dxg1 9. Lf1 Lh3 10. Kb3 Sd7 11. Ka2 0-0-0 12. Kb1 Kb8 13. Kc1 Ka8 14. Kd1 Tb8 15. Ke1
Henrik Juel: Natch 3.1 was stopped after several hours after pos. 214000
The intended solution was found at pos. 22091 (2019-07-10)
Moldenhauer: Computerprüfung: C+ Euclide 1.11 18 Min. 22 Sek.
Keine Lösung bei BP 13.5 und 14.0, Zeit dafür ca. 7 Min. (2022-12-23)
comment
The intended solution was found at pos. 22091 (2019-07-10)
Moldenhauer: Computerprüfung: C+ Euclide 1.11 18 Min. 22 Sek.
Keine Lösung bei BP 13.5 und 14.0, Zeit dafür ca. 7 Min. (2022-12-23)
comment
Keywords: Unique Proof Game, Round Trip (K)
Genre: Retro
Computer test: Stelvio 1.25, 5min
FEN: kr3bnr/pp1npppp/8/2p5/8/6Pb/1PPPPP1P/R3KBqR
Reprints: Sinfonie Scacchistiche 126 10-12/2016
Input: Mario Richter, 2019-07-10
Last update: Reto, 2023-05-28 more...
Genre: Retro
Computer test: Stelvio 1.25, 5min
FEN: kr3bnr/pp1npppp/8/2p5/8/6Pb/1PPPPP1P/R3KBqR
Reprints: Sinfonie Scacchistiche 126 10-12/2016
Input: Mario Richter, 2019-07-10
Last update: Reto, 2023-05-28 more...
8 - P1388892
Reto Aschwanden
Michel Caillaud
18363 Die Schwalbe 305 10/2020
(14+14)
Beweispartie in 27,5 Zügen
Reto Aschwanden
Michel Caillaud
18363 Die Schwalbe 305 10/2020
(14+14)
Beweispartie in 27,5 Zügen
1. h4 h5 2. Th3 Th6 3. Td3 Ta6 4. e3 Ta3 5. Df3 a5 6. Df6 exf6 7. b4 Lc5 8. b5 La7 9. b6 De7 10. bxa7 b6 11. Sc3 Lb7 12. Sa4 Lf3 13. Sc5 Sc6 14. Sa6 0-0-0 15. Sb8 g5 16. a8=D gxh4 17. Da7 h3 18. Sa6 h2 19. Sc5 h1=T 20. Sb7 Th4 21. Da6 Tha4 22. Dc4 Db4 23. Sc5 Sge7 24. Se4 Tg8 25. Sc3 Tg3 26. Sb1 Lg4 27. Dc3 Tf3 28. gxf3
The knight undertakes a 12 move captureless roundtrip to prevent twice that the pheni\x queen gives harmful check (this ties the record for the longest captureless roundtrip by a knight). Not computer tested.
The knight undertakes a 12 move captureless roundtrip to prevent twice that the pheni\x queen gives harmful check (this ties the record for the longest captureless roundtrip by a knight). Not computer tested.
Reto: A version of this is C+ by Stelvio 2.0: Ra4-d4 and Qb4-e4 (the content remains the same, but easier to test). (2023-12-17)
Reto: The above comment should read: Ra4 to d4, Qb4 to e4. (2023-12-17)
comment
Reto: The above comment should read: Ra4 to d4, Qb4 to e4. (2023-12-17)
comment
Keywords: Round Trip (S schlagfrei)), Check Protection, Unique Proof Game
Genre: Retro
FEN: 2k5/2ppnp2/1pn2p2/p6p/rq4b1/r1QRPP2/P1PP1P2/RNB1KBN1
Input: Schwalbe, 2021-04-21
Last update: Reto, 2023-12-17 more...
Genre: Retro
FEN: 2k5/2ppnp2/1pn2p2/p6p/rq4b1/r1QRPP2/P1PP1P2/RNB1KBN1
Input: Schwalbe, 2021-04-21
Last update: Reto, 2023-12-17 more...
9 - P1404683
Kevin James Begley
P0540 StrateGems 99 07-09/2022
1. ehrende Erwähnung
(14+15)
BP in 9,5
Kontraparraincirce
Kevin James Begley
P0540 StrateGems 99 07-09/2022
1. ehrende Erwähnung
(14+15)
BP in 9,5
Kontraparraincirce
1. e4 d5 2. La6 Sxa6 3. De2 Lg4 4. exd5 Dxd5[+sBd8] 5. De6[+wBd1] Tc8 6. Qxc8 Dd7[+sTc6] 7. Dxd8+ Dxd8[+sBd7] 8. Sf3[+wDe6] Lxf3 9. De2 Lxe2 10. dxe2[+sDd1]
Kevin Begley: Two pairs of units (wDd1/wBe2 and sDd8/sBd7) exchange places twice. (2022-09-27)
comment
comment
Keywords: Unique Proof Game, Circe (Kontraparrain), Homebase (w), Interchange, Round Trip (DdBb)
Genre: Retro, Fairies
FEN: 3qkbnr/pppppppp/n1r5/8/8/8/PPPPPPPP/RNBQK2R
Input: Kevin Begley, 2022-09-26
Last update: Kevin Begley, 2023-08-22 more...
Genre: Retro, Fairies
FEN: 3qkbnr/pppppppp/n1r5/8/8/8/PPPPPPPP/RNBQK2R
Input: Kevin Begley, 2022-09-26
Last update: Kevin Begley, 2023-08-22 more...
10 - P1407485
Janos Mikitovics
Gabor Tar
P0521 StrateGems 96, p. 190, 10-12/2021
(11+13) C+
BP in 11.5
Janos Mikitovics
Gabor Tar
P0521 StrateGems 96, p. 190, 10-12/2021
(11+13) C+
BP in 11.5
1. c4 f5 2. c5 f4 3. c6 f3 4. cxb7 fxg2 5. bxa8=L gxf1=S 6. Lg2 Sxh2 7. Sf3 Sg4 8. 0-0 Se3 9. Kh2 Sxf1+ 10. Kh3 Sxd2 11. Dg1 Sf1 12. Lxf1
Keywords: Unique Proof Game, Prentos Theme (s), Pronkin Theme (L), Castling, Switchback (s), Round Trip (s-4)
Genre: Retro
FEN: 1nbqkbnr/p1ppp1pp/8/8/8/5N1K/PP2PP2/RNB2BQ1
Input: Gunter Jordan, 2023-01-30
Last update: Gunter Jordan, 2023-01-30 more...
Genre: Retro
FEN: 1nbqkbnr/p1ppp1pp/8/8/8/5N1K/PP2PP2/RNB2BQ1
Input: Gunter Jordan, 2023-01-30
Last update: Gunter Jordan, 2023-01-30 more...
11 - P1414407
Unto Heinonen
11783 Springaren 2009
1. ehrende Erwähnung
Abt. B, Retro
PR Vlaicu Crisan + Eric Huber
(15+9)
BP in 12.0
Unto Heinonen
11783 Springaren 2009
1. ehrende Erwähnung
Abt. B, Retro
PR Vlaicu Crisan + Eric Huber
(15+9)
BP in 12.0
1. Sc3 Sf6 2. Se4 Sd5 3. Sg5 Sc3 4. Sxh7 g5 5. Sxf8 Th6 6. Sxd7 Tc6 7. Sxb8 Lh3 8. Sxc6 e6 9. Sxa7 Ke7 10. Sb5 Ta3 11. Sxa3 Kf6 12. Sb1 Sxb1
Keywords: Homebase (w), Round Trip (S-12)
Genre: Retro
FEN: 3q4/1pp2p2/4pk2/6p1/8/7b/PPPPPPPP/RnBQKBNR
Input: Gunter Jordan, 2024-01-10
Last update: Gunter Jordan, 2024-01-10 more...
Genre: Retro
FEN: 3q4/1pp2p2/4pk2/6p1/8/7b/PPPPPPPP/RnBQKBNR
Input: Gunter Jordan, 2024-01-10
Last update: Gunter Jordan, 2024-01-10 more...
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The King captures an officer on its place and return.
For comparison, see P1013070 and P1007320 (2008-04-25)
Moldenhauer: Computerprüfung: C+ Stelvio 1.0 09:10:17 Stunden.
Keine Lösung: BP 21.5, BP 22.0, Prüfzeit 02:01:51 Stunden. (2023-02-17)
Reto: A good example of Stelvio's progress: Stelvio 1.5 only needs 40min on my notebook. (2023-08-19)
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