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Subject: Re: Testposition - Endgame

Author: Dieter Buerssner

Date: 16:04:06 06/22/01

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On June 22, 2001 at 07:49:55, Sune Larsson wrote:

> 8/p2B4/7p/k1p5/2P2p2/P1K1pP2/3nP2P/8 b - - 0 51
[...]
>  Test: Can your program win this position with black?

I let Yace play as black vs. Shredder 5 in analyze mode (so both engines were
thinking at the same time on my 1-CPU computer). Whenenver I had a look, I did
the suggested moves on the board (allways taking the suggestions of Yace for
black and of Shredder for white). I was happy about the outcome :-)


[Event "?"]
[Site "?"]
[Date "2001.06.23"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/p2B4/7p/k1p5/2P2p2/P1K1pP2/3nP2P/8 b - -"]

1... Kb6 {8s} 2. Bf5 {4:46m} Kc7 {53s} 3. h4 {2:00m} Nf1
{2:19m} 4. Kd3 {2:38m} Ng3 {37s} 5. Bh3 {2:14m} Kd6 {1:46m}
6. Bc8 {2:34m} Ke7 {1:05m} 7. Ba6 {2:23m} Kf6 {37s} 8. Bb5
{9:34m} Ke5 {15s} 9. Bd7 {3:37m} Nf5 {7s} 10. Bxf5 {2:07m}
Kxf5 {1s} 11. Kc2 {6:45m} Ke5 {13s} 12. Kc3 {1:48m} a5
{33s} 13. a4 {2:57m} Kf6 {48s} 14. Kc2 {3:02m} Kg6 {10s}
15. Kd3 {2:58m} Kh5 {8s} 16. Ke4 {40s} Kxh4 {7s} 17. Kxf4
{13s} h5 {7s} 18. Ke5 {4:48m} Kg3 {11s} 19. f4 {4:54m} Kf2
{12s} 20. f5 {25s} Kxe2 {7s} 21. f6 {3:53m} Kd3 {8s} 22. f7
{11s} e2 {1:49m} 23. f8=Q {19s} e1=Q+ {8s} 24. Kd6 {4:51m}
Kxc4 {42s} 25. Qf7+ {6:27m} Kb4 {22s} 26. Qxh5 {5:25m} Qg3+
{57s} 27. Kc6 {2:17m} Qc3 {27s} 28. Qd5 {2:16m} Kxa4 {10s}
29. Qd1+ {2:23m} Ka3 {13s} 30. Qd5 {6:36m} a4 {26s} 31. Qd6
{5:16m} Kb2 {1:18m} 32. Qb8+ {5:42m} Ka1 {3:48m} 33. Qb5
{2:55m} a3 {29s} 34. Qf1+ {1:43m} Kb2 {9s} 35. Qb5+ {5:02m}
Qb3 {7s} 36. Qe2+ {1:24m} Qc2 {26s} 37. Qe5+ {3:10m} Kb3
{37s} 38. Qb8+ {5:54m} Ka2 {9s} 39. Qf8 {5:35m} c4 {2:38m}
40. Qg8 {3:35m} Kb2 {24s} 41. Qb8+ {13:31m} Kc1 {6s}
42. Qb4 {16:32m} a2 {5s} * {both show clear winning score for
black here}

Regards,
Dieter




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