CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

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Houdini 6 64-bit 4CPU in CCRL 40/40, 2018-04-21
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Houdini 6 64-bit 4CPU is #2-3 with rating of 3407 Elo points (+18 -18),
based on 927 games: 354 wins, 53 losses and 520 draws
Score: 66.2%, Average opponent: −106.1, Draws: 56.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 9 64-bit 4CPU            3444  23.0-27.0  (+3 -7 =40)    0.2   +15
 - asmFish 051117 64-bit 4CPU         3419  21.0-25.0  (+2 -6 =38)   18.9   -10
 - SugaR XPrO 1.4 64-bit 4CPU         3416  15.5-20.5  (+2 -7 =27)   27.1   -26
 - SugaR XPrO 1.2 64-bit 4CPU         3408  17.0-15.0  (+6 -4 =22)   47.3   +17
 - Komodo 11.3.1 64-bit 4CPU          3407  23.5-28.5  (+6 -11=35)   50.0   -25
 - Komodo 11.2 64-bit 4CPU            3402  33.5-24.5  (+10-1 =47)   67.4   +33
 - Stockfish 8 64-bit 4CPU            3386  29.0-29.0  (+5 -5 =48)   96.6   -21
 - SugaR XPrO 1.3 64-bit 4CPU         3383  12.5-19.5  (+3 -10=19)   95.7   -81
 - Fire 6.1 64-bit 4CPU               3296  24.0-9.0   (+16-1 =16)  100.0   +26
 - Deep Shredder 13 64-bit 4CPU       3291  22.5-9.5   (+13-0 =19)  100.0     0
 - Fizbo 2 64-bit 4CPU                3282  22.5-9.5   (+13-0 =19)  100.0    -9
 - Fire 5 64-bit 4CPU                 3273  38.0-19.0  (+19-0 =38)  100.0   -45
 - Fizbo 1.9 64-bit 4CPU              3263  38.5-19.5  (+19-0 =39)  100.0   -54
 - Andscacs 0.921 64-bit 4CPU         3252  31.5-8.5   (+23-0 =17)  100.0   +29
 - Andscacs 0.93 64-bit 4CPU          3251  26.5-5.5   (+21-0 =11)  100.0   +70
 - Andscacs 0.91 64-bit 4CPU          3237  25.5-6.5   (+20-1 =11)  100.0   +31
 - Booot 6.2 64-bit 4CPU              3226  26.0-6.0   (+20-0 =12)  100.0   +28
 - Fritz 16 64-bit 4CPU               3203  44.0-6.0   (+38-0 =12)  100.0   +91
 - Chiron 4 64-bit 4CPU               3201  27.5-4.5   (+23-0 =9 )  100.0   +59
 - NirvanaChess 2.4 64-bit 4CPU       3192  25.5-7.5   (+18-0 =15)  100.0   -47
 - Gull 3 64-bit 4CPU                 3188  28.5-3.5   (+25-0 =7 )  100.0   +93
 - Equinox 3.20 64-bit 4CPU           3182  27.5-4.5   (+23-0 =9 )  100.0   +40
 - Equinox 3.30 64-bit 4CPU           3168   0.5-0.5   (+0 -0 =1 )  100.0  -208
 - Texel 1.07 64-bit 4CPU             3150   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Strelka 5.5 64-bit                 3107  27.5-4.5   (+23-0 =9 )  100.0   -33
 - iCE 3.0 64-bit                     3041   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - The Baron 3.41 64-bit 4CPU         2906   1.0-0.0   (+1 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018