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

Options
Show each game results
Stockfish 2.1.1 64-bit 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 2.1.1 64-bit has no rank with rating of 3060 Elo points (+16 -16),
based on 1186 games: 301 wins, 275 losses and 610 draws
Score: 51.1%, Average opponent: −7.5, Draws: 51.4%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 2.0c 64-bit               3127  34.0-56.0  (+15-37=38)    0.0   -10
 - Houdini 1.5a 64-bit               3119  20.0-36.0  (+9 -25=22)    0.0   -34
 - Komodo 4 64-bit                   3103  50.0-70.0  (+16-36=68)    0.0    -5
 - Komodo 3 64-bit                   3096  74.5-83.5  (+37-46=75)    0.0   +18
 - Critter 1.2 64-bit                3085  34.5-39.5  (+10-15=49)    0.8    +7
 - Critter 1.4 64-bit                3085  19.0-31.0  (+6 -18=26)    2.3   -47
 - Rybka 4.1 64-bit                  3081  16.0-16.0  (+4 -4 =24)    1.1   +21
 - Rybka 4 64-bit                    3079  20.0-24.0  (+8 -12=24)    2.4    -7
 - Komodo 2.03 64-bit                3051  15.0-13.0  (+7 -5 =16)   70.0   +11
 - Critter 1.01 64-bit               3050  73.0-66.0  (+34-27=78)   77.5    +4
 - Komodo 2.01 64-bit                3046  33.5-30.5  (+17-14=33)   85.2    +1
 - Stockfish 1.9.1 64-bit            3038  11.0-9.0   (+5 -3 =12)   94.6    +9
 - Stockfish 2.0.1 64-bit            3034  10.5-9.5   (+3 -2 =15)   97.0   -10
 - Chiron 1.1a 64-bit                2981  32.5-17.5  (+22-7 =21)  100.0   +16
 - Naum 4.2 64-bit                   2979  29.5-14.5  (+21-6 =17)  100.0   +29
 - Komodo 1.3 64-bit                 2977  29.0-15.0  (+18-4 =22)  100.0   +10
 - Fritz 13                          2963  32.0-18.0  (+19-5 =26)  100.0   -17
 - Deep Shredder 12 64-bit           2942  25.0-10.0  (+18-3 =14)  100.0   +21
 - Spike 1.4 Leiden                  2920  11.5-4.5   (+8 -1 =7 )  100.0    -4
 - Gull 1.2 64-bit                   2920  14.5-5.5   (+10-1 =9 )  100.0     0
 - Deep Junior 12.5 64-bit           2912  10.0-6.0   (+6 -2 =8 )  100.0   -74
 - Spark 1.0 64-bit                  2894  11.0-5.0   (+8 -2 =6 )  100.0   -42


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