CCRL 40/40
Downloads and Statistics
December 9, 2017
Testing summary:
Total: 766'023 games
played by 1'997 programs
104955 CPU days (X2 4600+)

White wins: 262'896 (34.3%)
Black wins: 194'802 (25.4%)
Draws: 308'325 (40.3%)
White score: 54.4%

Engine Details

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Show each game results
Stockfish 2.1.1 64-bit in CCRL 40/40, 2017-12-09
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 2.1.1 64-bit has no rank with rating of 3057 Elo points (+16 -15),
based on 1226 games: 305 wins, 280 losses and 641 draws
Score: 51.0%, Average opponent: −6.4, Draws: 52.3%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 2.0c 64-bit               3127  34.0-56.0  (+15-37=38)    0.0    -7
 - Houdini 1.5a 64-bit               3119  20.0-36.0  (+9 -25=22)    0.0   -31
 - Komodo 4 64-bit                   3103  50.0-70.0  (+16-36=68)    0.0    -2
 - Komodo 3 64-bit                   3096  74.5-83.5  (+37-46=75)    0.0   +21
 - Critter 1.2 64-bit                3085  34.5-39.5  (+10-15=49)    0.3   +10
 - Critter 1.4 64-bit                3085  19.0-31.0  (+6 -18=26)    1.3   -44
 - Rybka 4.1 64-bit                  3081  16.0-16.0  (+4 -4 =24)    0.4   +24
 - Rybka 4 64-bit                    3080  20.0-24.0  (+8 -12=24)    0.9    -3
 - Komodo 2.03 64-bit                3051  15.0-13.0  (+7 -5 =16)   64.8   +14
 - Critter 1.01 64-bit               3049  73.0-66.0  (+34-27=78)   72.4    +6
 - Komodo 2.01 64-bit                3046  33.5-30.5  (+17-14=33)   80.0    +4
 - Stockfish 1.9.1 64-bit            3039  11.0-9.0   (+5 -3 =12)   92.0   +13
 - Stockfish 2.0.1 64-bit            3034  10.5-9.5   (+3 -2 =15)   95.4    -7
 - Sting SF 9 64-bit                 2997  19.5-20.5  (+4 -5 =31)  100.0   -67
 - Chiron 1.1a 64-bit                2981  32.5-17.5  (+22-7 =21)  100.0   +19
 - Naum 4.2 64-bit                   2979  29.5-14.5  (+21-6 =17)  100.0   +32
 - Komodo 1.3 64-bit                 2977  29.0-15.0  (+18-4 =22)  100.0   +13
 - Fritz 13                          2963  32.0-18.0  (+19-5 =26)  100.0   -14
 - Deep Shredder 12 64-bit           2942  25.0-10.0  (+18-3 =14)  100.0   +24
 - Spike 1.4 Leiden                  2921  11.5-4.5   (+8 -1 =7 )  100.0     0
 - Gull 1.2 64-bit                   2920  14.5-5.5   (+10-1 =9 )  100.0    +3
 - Deep Junior 12.5 64-bit           2912  10.0-6.0   (+6 -2 =8 )  100.0   -71
 - Spark 1.0 64-bit                  2894  11.0-5.0   (+8 -2 =6 )  100.0   -39


Created in 2005-2013 by CCRL team
Last games added on December 9, 2017