Author: Amir Ban
Date: 04:02:27 07/14/99
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On July 13, 1999 at 21:21:43, Scott Knoke wrote: >On July 12, 1999 at 04:27:35, Amir Ban wrote: > >>On July 11, 1999 at 18:49:13, Scott Knoke wrote: >> >>>In Junior-Fritz, 9th World Computer Chess Championship, Round 5, White played >>>19. Nhg1. This certainly looks like a mistake. I read here recently that White >>>may have a winning continuation, but I can't find it. The best I can find for >>>White is 19. Rae1 but Black already seems better. For example, 1. ... Rfc8 20. >>>Re2 Rc7 and Black's queenside attack will be very strong. >>> >>>What should White play? The game is shown below. And, is 17. Qh4 really better >>>than 17. Qg3 ? >>> >> >>According to the post game analysis, it should go (after 19. Rae1 Rfc8 20. Re2 >>Rc7) 21. e6 Qe8 22. Nhg5 hxg5 23. Nxg5 and white wins after Qh7+ and Nf3. >> >>In the analysis it was 20 ... Bd5 rather than 20 ... Rc7 but black's moves don't >>matter here. >> >>The way Alterman looks at this position, if necessary white will double rooks on >>the 2nd rank and will be invulnerable, while black can only wait to be killed on >>the king side. He may be right, but he certainly overestimated the ability of a >>program to understand that. >> >>Amir >> > >Amir and Torstein: > >Thanks for the comments. Perhaps (after 19. Rae1 Rfc8 20. Re2) Black must play >the unpleasant 20... Bxf3. Then 21. gxf3 is probably best and White is probably >better, but not already winning. Of course Black also could play ... Bxf3 on his >19th move. > >Scott > Bxf3 at whatever stage looks like suicide to me. It's very hard for me to imagine a position where the g-file is opened and black survives. Amir
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