Author: John Merlino
Date: 18:02:12 02/21/00
Go up one level in this thread
On February 21, 2000 at 20:22:05, Imran Hendley wrote:
>On February 21, 2000 at 19:47:44, Dann Corbit wrote:
>
>[D]r1b1k1nr/pp2ppbp/2p3p1/2p5/1q2P3/2NP1N1P/PPP2PP1/R1BQ1RK1 b kq - am Bxc3; bm
>>Nf6; id "Aubervilliers Tournament 1999, Andrei SHCHEKACHEV verses ZChess 1.2";
>
>This is from ZChess Mailing List #4 2/7/1999
>
>[Event "Aubervilliers Tournament 1999"]
>[Site "Aubervilliers"]
>[Date "1999.01.31"]
>[Round "7"]
>[White "Andrei SHCHEKACHEV"]
>[Black "ZChess 1.2"]
>[Result "1-0"]
>[WhiteElo "2608"]
>[BlackElo "?"]
>[TimeControl "30 min KO"]
>
>1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Qb6 7. Nc3 Qb4 8.
>O-O {
>The 7th move of ZChess Qb4? was already a mistake, but in the following
>position:
> r1b1k1nr/pp2ppbp/2p3p1/2p5/1q2P3/2NP1N1P/PPP2PP1/R1BQ1RK1 b kq -
>ZChess makes a major blunder :
>8. ... Bxc3 ??
>This 'computer' :-) move does win a pawn, the only problem is that it lose
>the game !
>In the previous position, the black bishop in g7 should be preserved.
>
>This blunder is also played by many programs, here is the move played on a
>K6 300
>after 1 minute of analysis:
>
>Program, Move played, Eval (in favor of black)
>ZChess 1.2 Bxc3 ?? +0.80
>WChess 2000 Bxc3 ?? +0.88
>Crafty 16.0 Bxc3 ?? +0.13
>Chess Genius 6 Bxc3 ?? -0.06
>Fritz 5.0 Bxc3 ?? -0.25
>Zarkov 5 Nf6 ! -0.19
>Zarkov is the only program here that doesn't take the pawn !
>}
>Bxc3 9. a3 Qa5 10. bxc3 Qxc3 11. Rb1 Qa5 12. Bb2 f6 13. e5 f5 14. e6
>Nf6 15. Qc1 b6 16. Re1 O-O 17. Qh6 c4 18. dxc4 Bxe6 19. Rxe6 Rf7 20. Ng5
>1-0
Chessmaster 7000 won't take the pawn either. However, it prefers 8...Be6, rather
than Nf6, with an eval of 0.54 in favor of White.
jm
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