CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
Stockfish 4 64-bit in CCRL 40/40, 2018-02-17
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:
Stockfish 4 64-bit has no rank with rating of 3125 Elo points (+18 -18),
based on 915 games: 295 wins, 117 losses and 503 draws
Score: 59.7%, Average opponent: −59.1, Draws: 55.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 4 64-bit                   3170   1.0-1.0   (+0 -0 =2 )    0.0   +45
 - Houdini 3 64-bit                   3162  27.5-26.5  (+10-9 =35)    0.0   +43
 - Houdini 3 Tactical 64-bit          3157  24.0-30.0  (+13-19=22)    0.6    -3
 - Komodo TCEC 64-bit                 3147   4.5-5.5   (+0 -1 =9 )    3.8    -2
 - Komodo 6 64-bit                    3146  14.0-18.0  (+2 -6 =24)    3.7   -10
 - Komodo CCT 64-bit                  3129  10.5-19.5  (+2 -11=17)   36.4   -81
 - Komodo 5.1 64-bit                  3111  17.5-12.5  (+7 -2 =21)   86.5   +28
 - Strelka 5.5 64-bit                 3108  19.0-19.0  (+6 -6 =26)   96.5   -15
 - Critter 1.6a 64-bit                3104  35.0-27.0  (+16-8 =38)   98.5   +14
 - Rybka 4.1 64-bit                   3082  17.5-12.5  (+9 -4 =17)  100.0    +5
 - Bouquet 1.8 64-bit                 3078   5.0-3.0   (+3 -1 =4 )  100.0   +27
 - Gull 2.3 64-bit                    3066  19.5-14.5  (+11-6 =17)  100.0   -13
 - Bouquet 1.5 64-bit                 3066  14.0-16.0  (+5 -7 =18)  100.0   -74
 - IvanHoe 9.46h 64-bit               3065  21.5-12.5  (+11-2 =21)  100.0   +13
 - RobboLito 0.21Q 64-bit             3062  22.5-15.5  (+10-3 =25)  100.0   -10
 - Bouquet 1.6 64-bit                 3054  17.0-13.0  (+8 -4 =18)  100.0   -32
 - Vitruvius 1.11C 64-bit             3053  18.0-12.0  (+8 -2 =20)  100.0   -17
 - DeepSaros 3.3b 64-bit              3049  23.0-11.0  (+15-3 =16)  100.0   +32
 - Sting SF 3 64-bit                  3042  24.0-14.0  (+13-3 =22)  100.0    -7
 - DeepSaros 3.0 64-bit               3039  18.5-11.5  (+9 -2 =19)  100.0   -22
 - Gull 2.1 64-bit                    3031  16.5-13.5  (+10-7 =13)  100.0   -65
 - BlackMamba 1.4 64-bit              3030  28.0-10.0  (+21-3 =14)  100.0   +62
 - Gull 2.2 64-bit                    3014  24.5-9.5   (+18-3 =13)  100.0   +31
 - Hannibal 1.4b 64-bit               3004  21.5-8.5   (+13-0 =17)  100.0    +5
 - Protector 1.5.0 64-bit             2989  27.5-6.5   (+21-0 =13)  100.0   +70
 - Chiron 1.1a 64-bit                 2982  22.5-7.5   (+16-1 =13)  100.0   +15
 - Naum 4.2 64-bit                    2980  23.5-6.5   (+18-1 =11)  100.0   +44
 - Chiron 1.5 64-bit                  2969  21.5-8.5   (+15-2 =13)  100.0   -21
 - Hannibal 1.3 64-bit                2965   1.0-2.0   (+0 -1 =2 )  100.0  -255
 - Quazar 0.4 64-bit                  2906   3.0-1.0   (+2 -0 =2 )  100.0   -61
 - Booot 5.2.0 64-bit                 2896   3.5-0.5   (+3 -0 =1 )  100.0   +60


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018