Author: Bruce Moreland
Date: 19:47:18 07/13/99
Go up one level in this thread
On July 13, 1999 at 21:33:59, Phil Dixon wrote:
>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.
OK, perhaps "well known" is a bit much. But this is in Nunn's book ("The
Complete Najdorf: 6 Bg5" out to move 22 before it gets into a side-note.
There are probably over a hundred games cited by Nunn in his ten pages of
analysis after 18. Nxf6+.
bruce
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