CCRL 40/4
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 1'579'577 games
played by 1'866 programs
21113 CPU days (X2 4600+)

White wins: 617'996 (39.1%)
Black wins: 503'684 (31.9%)
Draws: 457'897 (29.0%)
White score: 53.6%

Engine Details

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Houdini 6 64-bit 4CPU in CCRL 40/4, 2017-11-18
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, 2005-2017, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Houdini 6 64-bit 4CPU is #1 with rating of 3527 Elo points (+15 -15),
based on 1684 games: 941 wins, 64 losses and 679 draws
Score: 76.0%, Average opponent: −190.9, Draws: 40.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - SugaR XPrO 1.2 64-bit 4CPU         3525  29.0-31.0  (+7 -9 =44)   58.3   -12
 - Komodo 11.2 64-bit 4CPU            3516  49.0-41.0  (+16-8 =66)   74.5   +11
 - asmFish 191017 64-bit 4CPU         3506  25.0-25.0  (+6 -6 =38)   94.5   -21
 - Stockfish 8 64-bit 4CPU            3487 107.0-87.0  (+40-20=134)  100.0   -12
 - Komodo 10.4 64-bit 4CPU            3468  61.0-37.0  (+32-8 =58)  100.0   +11
 - Fire 6.1 64-bit 4CPU               3336 151.0-27.0  (+125-1 =52)  100.0   +63
 - Fire 5 64-bit 4CPU                 3330  80.0-24.0  (+57-1 =46)  100.0   -26
 - Fizbo 1.9 64-bit 4CPU              3314 156.5-37.5  (+125-6 =63)  100.0    +2
 - Andscacs 0.91 64-bit 4CPU          3270  86.5-17.5  (+70-1 =33)  100.0   -21
 - Gull 3 64-bit 4CPU                 3259  90.5-11.5  (+79-0 =23)  100.0   +39
 - Booot 6.2 64-bit 4CPU              3249  84.5-17.5  (+67-0 =35)  100.0   -50
 - Equinox 3.30 64-bit 4CPU           3247  85.5-16.5  (+70-1 =31)  100.0   -37
 - Chiron 4 64-bit 4CPU               3235  89.0-13.0  (+76-0 =26)  100.0    -7
 - Critter 1.6a 64-bit 4CPU           3231  91.5-10.5  (+82-1 =19)  100.0   +34
 - Strelka 5.5 64-bit                 3144  94.5-7.5   (+89-2 =11)  100.0   +22


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017