CCRL 40/4
Downloads and Statistics
July 6, 2019
Testing summary:
Total: 2'062'148 games
played by 2'380 programs
27711 CPU days (X2 4600+)

White wins: 801'254 (38.9%)
Black wins: 648'494 (31.4%)
Draws: 612'400 (29.7%)
White score: 53.7%

Engine Details

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Stockfish 1.4 64-bit in CCRL 40/4, 2019-07-06
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Stockfish 1.4 64-bit has no rank with rating of 2873 Elo points (+19 -19),
based on 930 games: 317 wins, 249 losses and 364 draws
Score: 53.7%, Average opponent: −22.7, Draws: 39.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit                     3078  13.5-36.5  (+6 -29=15)    0.0   +45
 - Naum 4 64-bit                      2948  18.0-32.0  (+8 -22=20)    0.0   -15
 - Stockfish 1.5.1 64-bit             2913  24.0-26.0  (+11-13=26)    0.1   +26
 - Fritz 11                           2888  28.0-22.0  (+19-13=18)    7.3   +56
 - Thinker 5.4c Inert 64-bit          2883  27.5-22.5  (+18-13=19)   15.9   +41
 - Shredder 11                        2848  17.0-14.0  (+11-8 =12)   98.8    +5
 - Spark 0.3 64-bit                   2844  26.5-23.5  (+15-12=23)   99.7    -8
 - Zappa Mexico II 64-bit             2844  25.0-25.0  (+17-17=16)   99.8   -28
 - Deep Sjeng WC2008 64-bit           2843  30.5-19.5  (+22-11=17)   99.8   +43
 - Deep Shredder 11 64-bit            2843  25.5-24.5  (+16-15=19)   99.8   -22
 - Onno 1.1.1 64-bit                  2838  28.0-22.0  (+18-12=20)   99.9    +3
 - Hiarcs 12                          2835  29.5-20.5  (+18-9 =23)  100.0   +17
 - Hiarcs 12.1                        2833  27.0-22.0  (+17-12=20)  100.0    -8
 - Onno 1.0 64-bit                    2831  29.0-21.0  (+22-14=14)  100.0   +14
 - Toga II 1.4.1SE                    2824  25.5-24.5  (+16-15=19)  100.0   -43
 - Glaurung 2.2 64-bit                2802  28.5-21.5  (+15-8 =27)  100.0   -28
 - Bright 0.4a                        2780  31.0-19.0  (+22-10=18)  100.0   -14
 - SmarThink 1.20 64-bit              2748  32.0-18.0  (+22-8 =20)  100.0   -36
 - Spike 1.2 Turin                    2731  33.0-17.0  (+24-8 =18)  100.0   -35


Created in 2005-2013 by CCRL team
Last games added on July 6, 2019