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 7 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 7 64-bit 4CPU has no rank with rating of 3335 Elo points (+15 -15),
based on 1304 games: 500 wins, 57 losses and 747 draws
Score: 67.0%, Average opponent: −105.7, Draws: 57.3%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Komodo 10.1 64-bit 4CPU           3372  14.5-18.5  (+1 -5 =27)    0.1   +10
 - Komodo 10.2 64-bit 4CPU           3365  15.0-17.0  (+4 -6 =22)    1.7   +13
 - Komodo 10 64-bit 4CPU             3355  24.0-26.0  (+4 -6 =40)    6.5   +10
 - Komodo 9.42 64-bit 4CPU           3351  37.0-42.0  (+7 -12=60)   11.0    -1
 - Komodo 9.2 64-bit 4CPU            3335  76.5-59.5  (+25-8 =103)   51.6   +33
 - Komodo 9.3 64-bit 4CPU            3332  28.0-24.0  (+8 -4 =40)   60.7   +16
 - Houdini 4 64-bit 4CPU             3251  81.5-42.5  (+45-6 =73)  100.0    +4
 - Andscacs 0.872 64-bit 4CPU        3209  22.0-12.0  (+12-2 =20)  100.0   -41
 - Fire 4 64-bit 4CPU                3207  52.0-23.0  (+31-2 =42)  100.0   -16
 - Gull 3 64-bit 4CPU                3191  50.5-23.5  (+28-1 =45)  100.0   -41
 - Fizbo 1.8 64-bit 4CPU             3189  25.5-8.5   (+19-2 =13)  100.0   +16
 - Equinox 3.20 64-bit 4CPU          3185  52.0-19.0  (+33-0 =38)  100.0   -11
 - Equinox 3.30 64-bit 4CPU          3169   1.5-0.5   (+1 -0 =1 )  100.0    -8
 - Fritz 15 64-bit 4CPU              3169  42.0-10.0  (+32-0 =20)  100.0   +39
 - Critter 1.6a 64-bit 4CPU          3168  55.0-18.0  (+37-0 =36)  100.0   -11
 - Hannibal 1.7 64-bit 4CPU          3166   9.5-4.5   (+5 -0 =9 )  100.0   -68
 - NirvanaChess 2.3 64-bit 4CPU      3162  25.5-8.5   (+18-1 =15)  100.0   -15
 - Bouquet 1.8 64-bit 4CPU           3158  37.5-14.5  (+24-1 =27)  100.0   -42
 - Rybka 4 64-bit 4CPU               3155  38.0-12.0  (+27-1 =22)  100.0   -15
 - Andscacs 0.86 64-bit 4CPU         3154  41.5-14.5  (+27-0 =29)  100.0   -39
 - NirvanaChess 2.2 64-bit 4CPU      3148  44.0-7.0   (+37-0 =14)  100.0   +82
 - Protector 1.9.0 64-bit 4CPU       3148  29.0-6.0   (+23-0 =12)  100.0   +41
 - Alfil 15.7 64-bit 4CPU            3144  39.5-10.5  (+29-0 =21)  100.0    -3
 - Texel 1.06 64-bit 4CPU            3142   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Chiron 3.01 64-bit 4CPU           3138  25.0-8.0   (+17-0 =16)  100.0   -37
 - BlackMamba 2.0 64-bit 4CPU        3131   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Fizbo 1.7 64-bit 4CPU             3126   1.5-0.5   (+1 -0 =1 )  100.0   -66
 - Vitruvius 1.11C 64-bit 4CPU       3125   1.5-0.5   (+1 -0 =1 )  100.0   -67


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