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Subject: Re: mclane's christmas-tournament: crafty's mistake

Author: Robert Hyatt

Date: 11:15:03 11/16/98

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On November 16, 1998 at 03:17:57, blass uri wrote:

>
>On November 15, 1998 at 11:33:34, Thorsten Czub wrote:
>
>>
>>[Event "christmas.tournament"]
>>[Site "k6/200 40/120"]
>>[Date "1998.11.15"]
>>[Round "1"]
>>[White "Fritz5.16 f5book.ctg"]
>>[Black "Crafty 16.1"]
>>[Result "1-0"]
>>
>>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8.
>>dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O 11. c3 Re8 12. Be3 Nc5 13. Bc2 Nd7 14. Bc1
>>f6 15. Nd4 Nxd4 16. cxd4 c5 17. Qh5 Nf8 18. dxc5 Bxc5 19. Nc3 Rc8 20. Qf3
>>fxe5 21. Nxd5 Bxf2+
>
>crafty15.18 does not like this move.
>I also think that 21...Bxf2+ is a mistake.
>
>Uri

Current version doesn't either.  But Bxf4 and Bd4 are *very* close in evaluation
from Crafty's perspective... so it is likely that a minor eval change caused it
to not mind tossing the bishop pair...



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