Author: Mike S.
Date: 18:28:29 07/08/01
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On July 08, 2001 at 19:33:56, Kurt Widmann wrote: >On July 08, 2001 at 18:55:45, Bertil Eklund wrote: > >>(...) >>I have analysed this line several years ago, and I don't believe white has more >>then a draw if black defends well. A dozen games in my database with 5 white >>wins, 6 black wins and one draw. >The question here is not the correctness of Bxf7, but as has been pointed out >by M.Scheidl that programs without book preparation have great difficulties >with this sacrifice. My computer runs only at 12 to 20 Kntps so I can not >verify what a fast machine could come up with. Yes, you are both right I think... I'm afraid, newer programs (except maybe very fast blitz and/or very slow CPUs) are immune against this line. My most recent victim was Genius 5(98), which plays 7...KxNg5?? only once due to it's learning function: Scheidl,M - Genius5 40/20:00 P133, 1998 1.e4 Nf6 2.e5 Nd5 3.Nf3 d6 4.Bc4 Nb6 5.Bxf7+ Kxf7 6.Ng5+ Kg6 7.Qf3 Kxg5 8.Qf7 g6 9.d4+ Kh5 10.Qf4 h6 11.g3 Bg4 12.h3 Qd7 13.hxg4# 1-0 Once in a lifetime... (but actually I did it 3 times: Genius 3, 4 and 5 :o). But amateurs might want to check if they are vulnerable to this. Of course it depends if the book plays the Alekhine at all. Regards, Mike Scheidl
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