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Subject: Re: Tactical Test: Avoid move Bxb7

Author: Dann Corbit

Date: 12:52:14 05/19/99

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On May 18, 1999 at 19:55:37, Gerrit Reubold wrote:

>
>Which programs are able to avoid Bxb7 in the following position (it is from one
>of my human-human games, though not actually reached)
>
>1r4k1/1ppq1pb1/3p2p1/1P2p2p/Q6P/4P1P1/P4PB1/1bB1K2R w K - 0 20
>
>avoid move Bxb7, because of Rxb7 Qa8+ Kh7 Qxb7 Qg4! -+ (threat Bd3)
>White is a pawn down, but he should be able to defend longer by not playing
>Bxb7.
Crafty seems to think it is down one pawn by ply 14, after Bxb7.  What is a
better choice?

1r4k1/1ppq1pb1/3p2p1/1P2p2p/Q6P/4P1P1/P4PB1/1bB1K2R w K - acd 14; acn 63064425;
acs 1002; ce -103; pv Bxb7 Qg4 Qxg4 hxg4 Bc6 Bxa2 Ba3 Bc4 Kd2 e4 Rc1 Bd3 Bd7
Ra8;



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