Author: John Merlino
Date: 13:05:54 02/03/03
Go up one level in this thread
On February 03, 2003 at 06:39:19, David Rasmussen wrote: >On February 02, 2003 at 17:17:00, John Merlino wrote: > >> >>Congratulations! That pawn behind enemy lines after 19...axb2+ was very >>impressive. A few questions/comments: >> >>When did Chezzz leave book? 6...Ng4 appears to be a poor move, and I can find no >>game in which it is played. 6...h6 seems to be statistically best for Black in >>this position, although 6...c5 is somewhat more common. >> > >6... Ng4 is exactly Chezzz's first move out of book :) Time to add one or two more moves to the book, eh? :-) >>21...Bf5 wins handily, according to Chessmaster 9000. The eval is more than 2 >>points in Black's favor, whereas after Chezzz's 21...Bd7 the eval is almost one >>point less (although I'm sure Chezzz would be winning with either move). >> > >Chezzz finds it too, although it takes 4:30 :) And I don't think Chezzz thought >that long in the game. If Chessmaster finds it in much shorter time, I'm not >surprised. It is because it is a much stronger program generally, and >specifically a much more effecient searcher. Maybe it's even because of some >specific extension etc. ? CM9000, on a P3-733, finds Bf5 in 4 seconds, and the eval jumps nicely after 17 seconds: Time Depth Score Positions Moves 0:00 1/3 -0.17 6831 21...Bd7 22.Qb4 Qb6 0:00 1/4 -0.35 18949 21...Bd7 22.Ne4 Qa8 23.Nec3 0:01 1/5 -0.29 76005 21...Bd7 22.Qb4 Qb6 23.Ne4 Rfa8 24.Bb1 0:02 1/6 -0.27 170837 21...Bd7 22.Bb1 Qb6 23.Rhe1 h6 24.Nf3 Bxb5 25.cxb5 Qxb5+ 26.Qb4 0:04 1/6 -0.75 341155 21...Bf5 22.Bxf5 Qa8 23.Rxa1 bxa1=Q 24.Rxa1 Qxa1 25.Bd3 Ra8 0:06 1/7 -0.75 478940 21...Bf5 22.Bxf5 Qa8 23.Rxa1 bxa1=Q 24.Rxa1 Qxa1 25.Bd3 Ra8 0:17 1/8 -2.03 1382148 21...Bf5 22.Bxf5 Qa8 23.Rxa1 bxa1=Q 24.Rxa1 Qxa1 25.Ne6 fxe6 26.Bxe6+ Kh8 27.f4 0:29 1/9 -2.12 2314538 21...Bf5 22.Bxf5 Qa8 23.Rxa1 bxa1=Q 24.Rxa1 Qxa1 25.Ne6 fxe6 26.Bxe6+ Kh8 27.f3 1:11 1/10 -2.09 5848036 21...Bf5 22.Rxa1 bxa1=Q 23.Rxa1 Bxa1 24.Bxf5 gxf5 25.Qf4 h6 26.Nf3 Bg7 27.Qxf5 Qa5 3:03 2/11 -2.40 15593005 21...Bf5 22.Rxa1 bxa1=Q 23.Rxa1 Bxa1 24.Bxf5 gxf5 25.Qf4 h6 26.Nf3 Bg7 27.Qxf5 Qa5 28.Qd7 Ra8 jm
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