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Subject: Another GM sac refuted by computers??

Author: Mark Young

Date: 04:24:15 07/31/04

[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.

Example line.
Bxf5 gxf5! Qg3+ Kh7 Ng5+ Bxg5 Bxg5 Ra3!.

• Fischer's analysis in "My sixty memorable games" Ingo Althofer 22:28:51 07/31/04
• analysis after ...Ra3 Dan Ellwein 18:03:11 07/31/04
  • Re: analysis after ...Ra3 martin fierz 05:21:11 08/01/04
    • Re: analysis after ...Ra3 Uri Blass 14:41:38 08/01/04
      • Shredder 8 analysis before ...Ra3 Dadi Jonsson 03:22:47 08/02/04
        • Re: Shredder 8 analysis before ...Ra3 Vincent Lejeune 04:22:16 08/02/04
          • Re: Shredder 8 analysis before ...Ra3 Dadi Jonsson 04:44:56 08/02/04
            • Re: Shredder 8 analysis before ...Ra3 Vincent Lejeune 05:22:56 08/02/04
              • Shredder 8: Finding Fischer's sacrifice Bxf5! Dadi Jonsson 09:02:23 08/02/04
      • Re: analysis after ...Ra3 Dan Ellwein 15:19:35 08/01/04
    • Re: analysis after ...Ra3 Dan Ellwein 13:38:32 08/01/04
• Re: Another GM sac refuted by computers?? Dan Ellwein 13:33:41 07/31/04
  • Re: Another GM sac refuted by computers?? addenum... Dan Ellwein 16:37:05 07/31/04
    • Re: Another GM sac refuted by computers?? addenum... Dadi Jonsson 16:49:16 07/31/04
• Re: Another GM sac refuted by computers?? John Merlino 10:46:06 07/31/04
• No refutation at all Drexel,Michael 07:55:41 07/31/04
  • Re: No refutation at all Rob Basham 08:05:55 07/31/04
    • Re: No refutation at all Drexel,Michael 10:42:20 07/31/04
• Re: Another GM sac refuted by computers?? Vincent Lejeune 07:21:28 07/31/04
  • Re: Another GM sac refuted by computers?? James T. Walker 14:14:49 07/31/04
    • Re: Another GM sac refuted by computers?? Mark Young 14:48:17 07/31/04
      • Re: Another GM sac refuted by computers?? Uri Blass 20:11:38 07/31/04
        • Re: Another GM sac refuted by computers?? Mark Young 22:18:11 07/31/04

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