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 2.2.2 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 2.2.2 64-bit has no rank with rating of 3076 Elo points (+20 -20),
based on 792 games: 234 wins, 162 losses and 396 draws
Score: 54.5%, Average opponent: −31.9, Draws: 50.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 3 64-bit                   3162   9.0-23.0  (+2 -16=14)    0.0   -48
 - Houdini 3 Tactical 64-bit          3157  13.0-17.0  (+5 -9 =16)    0.0   +43
 - Houdini 2.0c 64-bit                3128   5.5-8.5   (+3 -6 =5 )    0.0   -12
 - Houdini 1.5a 64-bit                3120  12.0-22.0  (+5 -15=14)    0.0   -50
 - Komodo 5 64-bit                    3113  30.5-42.5  (+9 -21=43)    0.0   -10
 - Strelka 5.5 64-bit                 3108  26.5-20.5  (+10-4 =33)    0.1   +66
 - Critter 1.6a 64-bit                3104  12.0-19.0  (+5 -12=14)    0.4   -41
 - Komodo 4 64-bit                    3103  14.5-20.5  (+6 -12=17)    0.9   -25
 - Critter 1.4 64-bit                 3085  18.0-20.0  (+3 -5 =30)   24.8    -5
 - Rybka 4.1 64-bit                   3082  23.0-25.0  (+10-12=26)   30.4    -5
 - Stockfish 2.3.1 64-bit             3081   4.5-3.5   (+2 -1 =5 )   34.6   +41
 - Rybka 4 64-bit                     3080   5.5-2.5   (+4 -1 =3 )   34.9  +125
 - IvanHoe 9.46h 64-bit               3065  23.5-22.5  (+9 -8 =29)   82.9    -7
 - Vitruvius 1.11C 64-bit             3053  17.0-18.0  (+6 -7 =22)   97.4   -29
 - Rybka 3 64-bit                     3050  13.0-11.0  (+6 -4 =14)   98.7    -4
 - DeepSaros 3.0 64-bit               3039  24.5-19.5  (+12-7 =25)   99.5    -4
 - Gull II b2 64-bit                  2997   5.0-3.0   (+3 -1 =4 )  100.0    -5
 - Chiron 1.1a 64-bit                 2982   5.5-0.5   (+5 -0 =1 )  100.0  +264
 - Naum 4.2 64-bit                    2980  20.0-9.0   (+14-3 =12)  100.0   +27
 - Fritz 13                           2963   4.0-4.0   (+2 -2 =4 )  100.0  -107
 - Hiarcs 14                          2963  20.5-11.5  (+15-6 =11)  100.0   -24
 - Deep Shredder 12 64-bit            2943   5.0-1.0   (+4 -0 =2 )  100.0   +98
 - Gull 1.2 64-bit                    2921  25.0-9.0   (+19-3 =12)  100.0    +3
 - Spike 1.4 Leiden                   2920  29.0-7.0   (+24-2 =10)  100.0   +64
 - Hannibal 1.2 64-bit                2919  10.5-1.5   (+9 -0 =3 )  100.0  +130
 - Protector 1.4.0 64-bit             2906  10.5-3.5   (+8 -1 =5 )  100.0     0
 - Quazar 0.4 64-bit                  2906   7.0-3.0   (+5 -1 =4 )  100.0   -42
 - Spark 1.0 64-bit                   2895  24.5-9.5   (+18-3 =13)  100.0   -36
 - MinkoChess 1.3 64-bit              2856  10.5-1.5   (+9 -0 =3 )  100.0   +67
 - Booot 5.1.0                        2845   3.0-1.0   (+2 -0 =2 )  100.0   -88


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