Author: Telmo C. Escobar
Date: 19:30:02 10/17/05
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On October 16, 2005 at 23:23:34, Doug V wrote: >On October 16, 2005 at 20:40:28, John Jack wrote: >> >>The game that I chose was L. Stein - S. Furman; from the 37th URS Championships, >>1969. (Game # 68, page # 253 - of the English edition.) On first blush, the >>analysis appears to be very detailed and well done. However upon deeper >>inspection the authors only updated previous analysis ... and did not do a very >>good job. I found somewhere between 15-20 errors, and these range from only >>minor all the way up to jaw-dropping blunders and oversights. Space would not >>allow a comprehensive review or analysis here, I will confine myself to just a >>few examples to make a point. >> >>The computer likes the move 14...Qb6; however the authors quote a game where >>this was played and Black lost horribly. (Smirin - Gelfand; Sverdlovsk; 1987.) >>The authors make no comment on the moves of this game, but 17...Kc8?? was a >>terrible mistake, any analysis engine will confirm that taking with the Bishop >>was forced. >> >>Nor is this the only failure by the annotators, I will not dabble with many of >>the smaller mistakes and oversights, but save those for my web page. 17.dxc6 >>appears to be a routine re-capture, but White had 17.Qe8+!! winning very >>rapidly. (The authors make absolutely no comment at all at this point.) Nor is >>this the only time that I found an improvement, I found at least five major >>improvements over the game or analysis ... many of these required no real work, >>only some close scrutiny with an analysis engine. > >Please explain how 17.Qe8 wins rapidly. I see the variation 17...Nxe8 18.Rxe8+ >Qd8 19.Rxd8+ Kc7 20.dxc6 Rxd8 21.Bxd8+ Kxd8 22.cxd7 Kxd7 23.Ra3 Be7 24.Rxb3 a5 >and White still has a tough task converting the extra pawn in an ending. >Practically, in terms of Stein's style, his choice makes more sense, keeping the >queens on the board and using the exposed nature of Black's king. Am I missing >something? After your analysis (24...a5) White should have an easy win by means of 25.Rb7+ Ke6 26.Rb5 Bd8 27.b4. It is probably impossible to know if Stein played otherwise because of his style, or if he simply miscalculated something. Telmo
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