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Subject: Re: crafty's strange blunder

Author: blass uri

Date: 06:20:05 09/07/99

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On September 06, 1999 at 17:52:31, James T. Walker wrote:

>Here is game 7 as mentioned in the subject line.  This is an interesting game
>because of the uneven material of Q vs RBN.  Usually the 3 pieces win this type
>game.  The 3 pieces in the hands of a computer become a multi-arm monster.
>Crafty now leads the match 5-2.
>
>
>
>
>[Event "40/2"]
>[Site "?"]
>[Date "1999.09.06"]
>[Round "7"]
>[White "Chess Tal II"]
>[Black "Crafty 16.15"]
>[Result "0-1"]
>
>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 exd4 8.
>Re1 d5 9. Nc3 dxc3 10. Bxd5 Bb7 11. Bg5 Be7 12. Rxe4 f6 13. Bxf6 gxf6 14. Ng5
>fxg5 15. Qh5+ Kd7 16. Be6+ Kd6 17. Qh3 Nb4 18. Rd1+ Kc6 19. Rxd8 Raxd8

r2R3r/1bp1b2p/p1k1B3/1p4p1/1n2R3/2p4Q/PPP2PPP/6K1 b - - 0 1

I do not understand what is the reason that crafty did not play 19...Rhxd8

My crafty16.6 as an engine for Junior wants to play Rhxd8 and after Raxd8? Bd7+
there is a significant drop in the evaluation.

Uri



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