Author: John Merlino
Date: 15:41:44 02/03/03
Go up one level in this thread
On February 03, 2003 at 18:03:14, David Rasmussen wrote: >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. Of course, that's preferable. CM9000 says that Ng4 is not even one of the top 10 moves, and its eval is almost a half-pawn worse than h6. >>>>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... :) So do I.... jm
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