CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Stockfish DD 64-bit 4CPU in CCRL 40/40, 2017-11-18
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Stockfish DD 64-bit 4CPU has no rank with rating of 3243 Elo points (+17 -17),
based on 992 games: 354 wins, 87 losses and 551 draws
Score: 63.5%, Average opponent: −81.5, Draws: 55.5%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 4 64-bit 4CPU             3251  55.0-43.0  (+29-17=52)   20.1   +43
 - Houdini 4 Tactical 64-bit 4CPU    3239  17.5-16.5  (+7 -6 =21)   58.6     0
 - Komodo 7a 64-bit 4CPU             3236  45.0-37.0  (+18-10=54)   70.3   +18
 - Komodo TCEC 64-bit 4CPU           3228  57.5-46.5  (+23-12=69)   88.2   +13
 - Komodo 6 64-bit 4CPU              3218  19.5-14.5  (+8 -3 =23)   97.7   +11
 - Gull 3 64-bit 4CPU                3191  17.0-13.0  (+9 -5 =16)  100.0   -12
 - Gull 2.8b 64-bit 4CPU             3187   1.0-1.0   (+0 -0 =2 )  100.0   -56
 - Critter 1.6a 64-bit 4CPU          3168  28.5-25.5  (+9 -6 =39)  100.0   -61
 - Fire 3.0 64-bit 4CPU              3159  22.5-11.5  (+11-0 =23)  100.0    +1
 - Bouquet 1.8 64-bit 4CPU           3158  27.5-14.5  (+17-4 =21)  100.0    +5
 - Rybka 4 64-bit 4CPU               3155  23.5-10.5  (+16-3 =15)  100.0   +29
 - Rybka 4.1 64-bit 4CPU             3151  33.5-18.5  (+19-4 =29)  100.0    -7
 - Gull 2.3 64-bit 4CPU              3150  51.0-38.0  (+23-10=56)  100.0   -52
 - DeepSaros 4.1.6 64-bit 4CPU       3136   1.5-0.5   (+1 -0 =1 )  100.0   +35
 - BlackMamba 2.0 64-bit 4CPU        3131   1.5-0.5   (+1 -0 =1 )  100.0   +45
 - Sting SF 4 64-bit 4CPU            3103  22.0-10.0  (+14-2 =16)  100.0   -26
 - Chiron 2 64-bit 4CPU              3093  71.0-21.0  (+53-3 =36)  100.0   +28
 - Hannibal 1.4b 64-bit 4CPU         3085  29.0-13.0  (+17-1 =24)  100.0   -48
 - Deep Fritz 14 64-bit 4CPU         3080  24.0-6.0   (+18-0 =12)  100.0   +34
 - Naum 4.2 64-bit 4CPU              3068  33.5-8.5   (+26-1 =15)  100.0   +27
 - Protector 1.5.0 64-bit 4CPU       3063   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Hiarcs 14 4CPU                    3061   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Deep Junior Yokohama 64-bit 4CPU  3033  39.0-13.0  (+26-0 =26)  100.0   -59
 - Deep Shredder 12 64-bit 4CPU      3024   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Spike 1.4 Leiden 4CPU             3024   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Texel 1.03 64-bit 4CPU            3016   2.0-0.0   (+2 -0 =0 )  100.0  +INF


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