Author: Frederic Friedel
Date: 18:19:04 02/11/01
Go up one level in this thread
On February 11, 2001 at 12:14:44, Enrique Irazoqui wrote:
>[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
Unfortunately this study (with its beautiful thematic idea wPf5, h6, bKf6, bPf7)
is incorrect. The refuting line is 4...Ka4! 5.h4 b5 6.h5 b4 7.h6 b3 8.h7 b2
9.h8Q b1Q+, as given by Harold van der Heijden.
:-((
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