Author: David Rasmussen
Date: 15:03:14 02/03/03
Go up one level in this thread
On February 03, 2003 at 16:05:54, John Merlino wrote: >> >>6... Ng4 is exactly Chezzz's first move out of book :) > >Time to add one or two more moves to the book, eh? :-) > Actually, I had just adjusted my book and my book code to use and hopefully higher quality book moves, because I don't have any book learning or any other ways of filtering bad moves. So it was "intentional". That Chezzz moved Ng4 was not so fortunate if it is really a bad move. Then I'd rather improve my eval. >>>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 I wish I knew how it does that... :) /David
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