4 problem(s) found in 3699 milliseconds (displaying 4 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND K='Zwickmühle' AND K='Zwickmühle' AND NOT CPLUS ] [download as LaTeX]
1. Sxe7+ Lxe7! 2. Lxh7+ Kh8 3. Le4+ Kg8 4. Th8+ Kxh8 5. Th2+ Kg8 6. Lh7+ Kh8 7. Ld3+ Kg8 8. Th8+ Kxh8 9. Dh2+ Kg8 10. Dh7#
Keywords: Zwickmühle, Zwickmühle
Genre: n#
FEN: q2r1rk1/2p1p1pp/1p1bPp2/1b3N2/8/8/2BQR3/3K3R
Input: Frank Müller, 2013-03-27
Last update: James Malcom, 2022-04-30 more...
Genre: n#
FEN: q2r1rk1/2p1p1pp/1p1bPp2/1b3N2/8/8/2BQR3/3K3R
Input: Frank Müller, 2013-03-27
Last update: James Malcom, 2022-04-30 more...
1. La3+ Ka1 2. Lb2+ Kb1 3. Lxd4+ Kc1 4. Le3+ Kd1 5. Td8+ Ke1 6. Ld2+ Kd1 7. Lb4+ Kc1 8. La3+ Kb1 9. Tb8+ Ka1 10. Lb2+ Kb1 11. Lxe5+ Kc1 12. Lf4+ Kd1 13. Td8+ Ke1 14. Ld2+ Kd1 15. Lb4+ Kc1 16. La3+ Kb1 17. Tb8+ Ka1 18. Lb2+ Kb1 19. Lxf6+ Kc1 20. Lg5+ Kd1 21. Td8+ Ke1 22. Ld2+ Kd1 23. Lb4+ Kc1 24. La3+ Kb1 25. Tb8+ Ka1 26. Lb2+ Kb1 27. Lxg7+ Kc1 28. Lh6+ Kd1 29. Td8+ Ke1 30. Ld2+ Kd1 31. Lb4+ Kc1 32. La3+ Kb1 33. Tb8+ Ka1 34. Le7! c1=D 35. Lf6+ Db2 36. Txb2 e1=D 37. Tb8+ De5 38. Lxe5#
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#
The longest problem with both sides castling
http://superproblem.ru/archive/probl/N/Malcom-22x-2020.gif
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#
The longest problem with both sides castling
http://superproblem.ru/archive/probl/N/Malcom-22x-2020.gif
Keywords: Zwickmühle, Move Length Record, Superseded by (P1396373), Castling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...
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...
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#
The longest problem with both sides castling.
http://superproblem.ru/archive/probl/N/Tang-28x-2021.gif
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)
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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)
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Show statistic for complete result. Show search result faster by using ids.
https://pdb.dieschwalbe.de/search.jsp?expression=COMMENTDATE%3E%3D20200919+AND+NOT+K%3D%27Hilfsr%C3%BCckz%C3%BCger%27+AND+K%3D%27Zwickm%C3%BChle%27+AND+K%3D%27Zwickm%C3%BChle%27+AND+NOT+CPLUS+
The problems of this query have been registered by the following contributors:
Frank Müller (1)Rainer Staudte (1)
James Malcom (2)
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