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Subject: Re: No refutation at all

Author: Rob Basham

Date: 08:05:55 07/31/04

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On July 31, 2004 at 10:55:41, Drexel,Michael wrote:

>On July 31, 2004 at 07:24:15, Mark Young wrote:
>
>>[d]3q3r/4b1k1/4P1p1/rpp2p1p/1nn2Q2/5N1P/P4PP1/RBB1R1K1 w
>>Another GM sac refuted by computers?
>>
>>This position is from...
>>
>>GM Fischer - GM Leonid Stein
>>Interzonal, Sousse 1967
>>
>>GM Fischer played the (so called) winning move Bxf5! Annotators claim GM Fischer
>>wins easily after Bxf5! gxf5 Qg3+ Kh7 Ng5+ Bxg5 Bxg5 Qe8(or Qd3).
>>
>>For this reason GM Stein played Qf8? and lost...but Bxf5 gxf5! seems to more
>>then hold the position. Do any computers or humans disagree.
>
>Yes, Hiarcs 9 and Drexel 0.815.
>
>1. Bxf5 gxf5 2. Qg3+ Kh7 3. Ng5+ Bxg5 4. Bxg5 Ra3 5. Qf4 Qf8 (5... Qe8 6. Qxf5+
>Qg6 7. Qxc5 Rg8 8. h4) 6. e7 Qf7 7. e8=Q Rxe8 8. Rxe8 Qxe8 9. Qxf5+ *
>
>I would always prefer to play this with white.
>Show me how to win with black with only the h-pawn to be left.
>
>True, Bxf5 doesn´t win easily.
>
>Btw, even dubious moves are sometimes the "best" moves.
>After all Tal won a lot of games with rather unsound attacks.
>
>Michael
>
>>
>>Example line.
>>Bxf5 gxf5! Qg3+ Kh7 Ng5+ Bxg5 Bxg5 Ra3!.

Very true; but "dubious moves" do not make good test moves...IHMO

...Bxf5 looks like he goofed here...:-)

Rob





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