CCRL 40/4
Downloads and Statistics
June 22, 2019
Testing summary:
Total: 2'052'494 games
played by 2'371 programs
27529 CPU days (X2 4600+)

White wins: 797'533 (38.9%)
Black wins: 645'585 (31.5%)
Draws: 609'376 (29.7%)
White score: 53.7%

Engine Details

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Bison 9.11 32-bit in CCRL 40/4, 2019-06-22
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Bison 9.11 32-bit has no rank with rating of 2699 Elo points (+27 -27),
based on 499 games: 176 wins, 203 losses and 120 draws
Score: 47.3%, Average opponent: +18.9, Draws: 24.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Toga II 1.4 beta5c                 2820  36.0-64.0  (+26-54=20)    0.0   +16
 - Rybka 1.0 32-bit                   2791  33.0-66.0  (+16-49=34)    0.0   -17
 - Spike 1.2 Turin                    2731  46.5-53.5  (+37-44=19)    1.1    +4
 - Alaric 707                         2663  53.5-46.5  (+43-36=21)   99.4   -10
 - Ruffian 1.0.5                      2585  67.0-33.0  (+54-20=26)  100.0    +6


Created in 2005-2013 by CCRL team
Last games added on June 22, 2019