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Subject: Re: A possible DB analysis move

Author: Pierre Bourget

Date: 17:32:29 07/23/02

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On July 23, 2002 at 19:18:15, Pierre Bourget wrote:

>On July 23, 2002 at 18:32:27, Robert Hyatt wrote:
>
>>A few years ago, Komputer Korner had a "correspondence kup" match with Crafty,
>>chessmaster and some other programs, playing a correspondence tournament.  In
>>that match, Crafty found a wild sacrifice to play against Chessmaster, I think
>>it was Nf6.  After searching for 24 hours or whatever the time limit was, Crafty
>>saw a draw score.  And it saw a draw score for the next couple of moves.
>>
>>Right after Crafty played that move, Hsu sent me an email saying "brilliant
>>move".  I told him Crafty only saw a draw.  He said "let it keep searching...
>>DB Jr saw +2.5 very quickly."  Sure enough, a few moves later Crafty realized
>>it was not just drawing, it was winning easily.
>>
>>I will try to find the game.  If anybody has it, perhaps _that_ position will
>>be a good one to see how long it takes today's programs to find the move and
>>find it is winning, compared to DB1 back in 1996...
>>
>>I will see what I can find...
>>
>>I think the event was called "the komputer kup korrespondence tournament" or
>>something similar...
>
>I think this is the position:
>
>[D]r1b1r1k1/1q3ppp/ppn5/2bNp3/P4B2/5Q1P/BP3PP1/R2R2K1 w - - 0 19
>
>The gamescore:
>
>[Event "1997 Korrespondence Kup"]
>[Site "?"]
>[Date "1997"]
>[Round "?"]
>[White "Crafty"]
>[Black "CM5000"]
>[Result "1-0"]
>
>1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4 Nc6 8. Qe2
>Qc7 9. Nc3 Bd6 10. Rd1 O-O 11. h3 Re8 12. dxc5 Bxc5 13. e4 Nd7 14. Ba2 b6 15. e5
>Ndxe5 16. Bf4 Nxf3+ 17. Qxf3 e5 18. Nd5 Qb7 19. Nf6+ gxf6 20. Bh6 Bf8 21. Bd5
>Bd7 22. Ra3 Bxh6 23. Qxf6 Re6 24. Bxe6 Bxe6 25. Rg3+ Kf8 26. Qxh6+ Ke7 27. Qh4+
>Kf8 28. Qxh7 Nd4 29. Qh8+ Ke7 30. Qxe5 Nf5 31. Rc3 Rc8 1-0
>
>
>Pierre

I think i made an error for the gamescore ,the correct ending (i hope)is given
below but the critical position in the diagram is still good.

[Event "Komputer Korrenpondence Kup"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Crafty"]
[Black "CM5000"]
[Result "1-0"]
[ECO "D27"]
[EventDate "1997.??.??"]
[PlyCount "74"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4 Nc6 8. Qe2
Qc7 9. Nc3 Bd6 10. Rd1 O-O 11. h3 Re8 12. dxc5 Bxc5 13. e4 Nd7 14. Ba2 b6 15. e5
Ndxe5 16. Bf4 Nxf3+ 17. Qxf3 e5 18. Nd5 Qb7 19. Nf6+ gxf6 20. Bh6 Bf8 21. Bd5
Bd7 22. Ra3 Bxh6 23. Qxf6 Re6 24. Bxe6 Bxe6 25. Rg3+ Kf8 26. Qxh6+ Ke7 27. Qh4+
Kf8 28. Rd6 Qc8 29. Rc3 Bd7 30. Qxh7 Ke7 31. Qh6 e4 32. Qf6+ Kf8 33. Qh4 Qd8 34.
Qh6+ Ke8 35. Rcxc6 Bxc6 36. Qh8+ Ke7 37. Qe5+ Kf8 1-0

Pierre



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