Author: Peter Skinner
Date: 09:28:27 09/24/00
Go up one level in this thread
>so you agree, its the book that did the trick not the engine :) > >Pavel The default book that comes with ChessPartner is the one for the LCHess engine, and is very weak, that is stating it mildly. The London book is the book that Christophe used in the latest WCCC. Of course the book has something to do with it, but really coming out of book severely down will not help any program. Once Tiger II uses it's correct book, it is very destructive. Here are some results playing over FICS the last few days. I ran Tiger II on a PIII 450, with 96 meg hash tables, and this is the results I got: Program Elo + - Games Score Av.Op. Draws 1 cubebox : 2592 199 154 15 53.3 % 2569 26.7 % 2 Species : 2551 33 57 223 74.2 % 2367 22.0 % 3 Elminster : 2508 60 70 80 41.2 % 2569 35.0 % 4 Oort : 2290 378 320 3 16.7 % 2569 33.3 % 5 pikozrout : 2242 133 43 106 13.2 % 2569 13.2 % My account here is Species. This is calculated with elostat, and as you can see it has done very well. Here is also the break down in opponent scores: (2) Species : 223 (+141,= 49,- 33), 74.2 % Oort : 3 (+ 2,= 1,- 0), 83.3 % sweetnighter : 1 (+ 1,= 0,- 0), 100.0 % Mogambo : 1 (+ 1,= 0,- 0), 100.0 % JuliusCesar : 2 (+ 2,= 0,- 0), 100.0 % Modler : 2 (+ 2,= 0,- 0), 100.0 % bluey : 1 (+ 1,= 0,- 0), 100.0 % Elminster : 80 (+ 33,= 28,- 19), 58.8 % Warsteiner : 1 (+ 1,= 0,- 0), 100.0 % CometX : 1 (+ 1,= 0,- 0), 100.0 % cubebox : 15 (+ 5,= 4,- 6), 46.7 % ddlchess : 1 (+ 1,= 0,- 0), 100.0 % wulff : 1 (+ 0,= 1,- 0), 50.0 % METRIC : 1 (+ 1,= 0,- 0), 100.0 % cchess : 1 (+ 0,= 1,- 0), 50.0 % Styrianator : 1 (+ 1,= 0,- 0), 100.0 % pikozrout : 106 (+ 85,= 14,- 7), 86.8 % mgthomas : 1 (+ 1,= 0,- 0), 100.0 % saurabh : 2 (+ 2,= 0,- 0), 100.0 % pecable : 1 (+ 0,= 0,- 1), 0.0 % Retard : 1 (+ 1,= 0,- 0), 100.0 % If you know how to read elostat you can see, it has done very well, only losing one series to Cubebox who is a dual PIII 550, using Crafty, but even with that disadvantage, still only a 1 point difference. I think the biggest results here are the Pikozrout ( K6-400, Phalanx XXII ) and Elminster ( K6-400 , Crafty 17.13 ), you can see on fairly equal hardware, that Tiger is blowing them out of the water. In the series with Elminster the weaker book accounted for half of the games.
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