CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Engine Details

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Show each game results
Stockfish 4 64-bit in CCRL 40/40, 2019-07-19
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Stockfish 4 64-bit has no rank with rating of 3120 Elo points (+18 -17),
based on 963 games: 305 wins, 128 losses and 530 draws
Score: 59.2%, Average opponent: −55.8, Draws: 55.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 4 64-bit                   3168   1.0-1.0   (+0 -0 =2 )    0.0   +48
 - Houdini 3 64-bit                   3158  27.5-26.5  (+10-9 =35)    0.0   +44
 - Houdini 3 Tactical 64-bit          3153  24.0-30.0  (+13-19=22)    0.4    -2
 - Komodo TCEC 64-bit                 3143   4.5-5.5   (+0 -1 =9 )    3.3    -1
 - Komodo 6 64-bit                    3142  14.0-18.0  (+2 -6 =24)    3.0    -9
 - Komodo CCT 64-bit                  3125  10.5-19.5  (+2 -11=17)   33.2   -80
 - Roc 1.0 64-bit                     3119  11.0-9.0   (+7 -5 =8 )   53.6   +28
 - RubiChess 1.5 64-bit               3118   7.0-9.0   (+1 -3 =12)   56.9   -33
 - Komodo 5.1 64-bit                  3106  17.5-12.5  (+7 -2 =21)   88.0   +28
 - Strelka 5.5 64-bit                 3103  19.0-19.0  (+6 -6 =26)   96.5   -15
 - Critter 1.6a 64-bit                3100  35.0-27.0  (+16-8 =38)   98.2   +15
 - Arasan 21.2 64-bit                 3078   5.5-6.5   (+2 -3 =7 )  100.0   -63
 - Rybka 4.1 64-bit                   3078  17.5-12.5  (+9 -4 =17)  100.0    +6
 - Bouquet 1.8 64-bit                 3074   5.0-3.0   (+3 -1 =4 )  100.0   +28
 - Bouquet 1.5 64-bit                 3062  14.0-16.0  (+5 -7 =18)  100.0   -73
 - Gull 2.3 64-bit                    3062  19.5-14.5  (+11-6 =17)  100.0   -12
 - IvanHoe 9.46h 64-bit               3061  21.5-12.5  (+11-2 =21)  100.0   +14
 - RobboLito 0.21Q 64-bit             3058  22.5-15.5  (+10-3 =25)  100.0    -9
 - Bouquet 1.6 64-bit                 3050  17.0-13.0  (+8 -4 =18)  100.0   -31
 - Vitruvius 1.11C 64-bit             3049  18.0-12.0  (+8 -2 =20)  100.0   -16
 - DeepSaros 3.3b 64-bit              3045  23.0-11.0  (+15-3 =16)  100.0   +33
 - Sting SF 3 64-bit                  3037  24.0-14.0  (+13-3 =22)  100.0    -7
 - DeepSaros 3.0 64-bit               3035  18.5-11.5  (+9 -2 =19)  100.0   -20
 - BlackMamba 1.4 64-bit              3027  28.0-10.0  (+21-3 =14)  100.0   +64
 - Gull 2.1 64-bit                    3027  16.5-13.5  (+10-7 =13)  100.0   -64
 - Gull 2.2 64-bit                    3010  24.5-9.5   (+18-3 =13)  100.0   +32
 - Hannibal 1.4b 64-bit               3001  21.5-8.5   (+13-0 =17)  100.0    +7
 - Protector 1.5.0 64-bit             2985  27.5-6.5   (+21-0 =13)  100.0   +71
 - Chiron 1.1a 64-bit                 2978  22.5-7.5   (+16-1 =13)  100.0   +16
 - Naum 4.2 64-bit                    2976  23.5-6.5   (+18-1 =11)  100.0   +45
 - Chiron 1.5 64-bit                  2964  21.5-8.5   (+15-2 =13)  100.0   -21
 - Hannibal 1.3 64-bit                2963   1.0-2.0   (+0 -1 =2 )  100.0  -252
 - Quazar 0.4 64-bit                  2905   3.0-1.0   (+2 -0 =2 )  100.0   -57
 - Booot 5.2.0 64-bit                 2893   3.5-0.5   (+3 -0 =1 )  100.0   +62


Created in 2005-2013 by CCRL team
Last games added on July 19, 2019