Author: Phil Dixon
Date: 18:33:59 07/13/99
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On July 13, 1999 at 20:19:30, Bruce Moreland wrote: > >On July 13, 1999 at 19:26:56, Phil Dixon wrote: > >>On July 13, 1999 at 00:23:03, Robert Hyatt wrote: >> >>> >>>Earlier tonite, Crafty was involved in a match with GM Loek van Wely on >>>ICC. 5 3 time control, and crafty was winning about its normal percentage >>>against him (about 80%, match was 9 wins, 2 losses, 1 draw at the point >>>where the following game was played). In this game, Crafty was >>>in book until move 23. As we passed move 20, I was counting pawns >>>and pieces and concluded white was probably lost. At move 23, >>>Crafty's first search said -4.00, and I thought aha, book learning >>>to the rescue as this is dead lost. But without spoiling anything, >>>this was the result. :) >>> >>>Actually, I will spoil it. At move 40, it announced a mate in 38 moves. >>> >>>:) >> >>Did GM Van Wely know that Crafty had announced a mate in 38? Do you think it is >>demoralizing to the GM when computers announce mates in a large number of moves? >> In analyzing the game with Fritz, move 18 for White, and move 31...?? for >>Black are not looked on favorably. Would you agree with that assessment? > >Crafty was in book until approximately move 23. I haven't played over the game, >but I know that the opening is well known. > >bruce After searching the "Big 98" database from ChessBase on position, I find a total of 46 games out of 875,000. I think this hardly qualifies as "well known". No less than 15 had the move 18.c4 instead of 18.Nxf6+. With the move 18.Nxf6+, White won 32% of the games and Black won 25%. The move 18.c4 has 26% wins for White and 40% for Black. While it appears that 18.Nxf6+ is the more playable move, Black did make several errors in this game. However, on move 32...Kb5 is the only move.
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