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Subject: Re: Winning against a computer and not knowing what was the pivotal move.

Author: Dann Corbit

Date: 21:22:56 06/13/03

Go up one level in this thread


On June 13, 2003 at 20:57:07, Hristo wrote:

>This was blitz (10 min. for all) game, but even after analyzing the game at 2:15
>per move the engine had no idea of the trouble until it was too late.
>
>At what move do other programs consider white's position to be dangerous?
>How do other programs evaluate 19. ... Bxh2+ ?!
>
>[Event "?"]
>[Site "?"]
>[Date "2003.06.13"]
>[Round "?"]
>[White "Sigma Chess 6"]
>[Black "Hristo Doichev"]
>[Result "0-1"]
>[ECO "A01"]
>
>1. b3 f5 2. Nf3 Nf6 3. d4 d5 4. e3 e6 5. Bd3 Bd6 6. O-O Nbd7 7. Bb2 h6 8. c4 c6
>9. c5 Bc7 10. Nbd2 Qe7 11. b4 a5 12. Nh4 Nf8 13. bxa5 g5 14. Nhf3 Ng6 15. Nb3
>g4 16. Ne1 h5 17. Bc3 Kf7 18. Qc2 h4 19. Rb1 Bxh2+ 20. Kxh2 g3+ 21. Kh3 Bd7 22.
>f3 Rag8 23. Nc1 Nh7 24. f4 Qg5 25. Qd1 e5 26. Be2 exf4 27. Bh5 Qg4+ 28. Qxg4
>fxg4+ 29. Bxg4 Ng5# 0-1
>

The pivotal move was 23. Nc1?? (pure disaster):

[D]6rr/1p1bqk2/2p1pnn1/P1Pp1p2/3P3p/1NBBPPpK/P1Q3P1/1R2NR2 w - - acd 11; acn
26720733; acs 62; am Nc1; bm f4; ce 119; pv f4 Ng4 Qe2 Nh2 a6 Nxf1 Qxf1 Rb8 e4
dxe4 a7;

[D]6rr/1p1bqk2/2p1pnn1/P1Pp1p2/3P3p/2BBPPpK/P1Q3P1/1RN1NR2 b - - acd 11; acn
41616463; acs 61; bm Nh7; ce 32750; pv Nh7 f4 Qg5 Qd1 e5 Be2 Nxf4+ exf4 Qg4+
Bxg4 fxg4+ Qxg4 Bxg4+ Kxh4 Nf6+ Kxg3 Ne4#;



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