Author: Enrique Irazoqui
Date: 09:14:44 02/11/01
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[D]8/2pp1p2/1p6/1kPP4/5Pp1/8/6PP/5K2 w Is this problem of Troitzky a mate in 37? 1.c6 is the only winning move and no program I know finds it in a reasonable amount of time, so trying to find the mate is hopeless. [Event "?"] [Site "?"] [Date "1924.??.??"] [Round "?"] [White "Troitzky, A."] [Black "?"] [Result "1-0"] [SetUp "1"] [FEN "8/2pp1p2/1p6/1kPP4/5Pp1/8/6PP/5K2 w - - 0 1"] [PlyCount "39"] [EventDate "1924.??.??"] 1. c6 $3 dxc6 2. d6 $3 cxd6 3. h4 gxh3 4. gxh3 Kc5 5. h4 Kd5 6. h5 Ke6 7. h6 Kf6 8. f5 b5 9. Ke2 b4 10. Kd3 d5 11. Kc2 d4 12. Kc1 $1 c5 13. Kc2 c4 14. Kc1 $1 b3 (14... d3 15. Kd2 b3 16. Kc3 d2 17. Kxd2 b2 18. Kc2 c3 19. Kb1 c2+ 20. Kxb2 c1=Q+ 21. Kxc1 {#13}) (14... c3 15. Kc2 Kxf5 16. h7 Ke4 17. h8=Q d3+ 18. Kd1 c2+ {#19}) 15. Kb2 d3 16. Kc3 d2 17. Kxd2 b2 18. Kc2 c3 19. Kb1 Kxf5 20. h7 {#17} 1-0 Enrique
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