CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Engine Details

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Show each game results
Stockfish 1.5.1 64-bit in CCRL 40/4, 2019-09-14
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 1.5.1 64-bit has no rank with rating of 2912 Elo points (+16 -16),
based on 1246 games: 515 wins, 248 losses and 483 draws
Score: 60.7%, Average opponent: −70.4, Draws: 38.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Deep Shredder 12 64-bit            2955  22.0-28.0  (+13-19=18)    0.0    +4
 - DiscoCheck 5.2 64-bit              2915  12.0-14.0  (+6 -8 =12)   42.0   -20
 - Fritz 11                           2888  24.5-25.5  (+15-16=19)   99.6   -30
 - Thinker 5.4d Inert 64-bit          2885  18.0-14.0  (+11-7 =14)   99.9   +11
 - Thinker 5.4c Inert 64-bit          2883  44.0-34.0  (+26-16=36)   99.9    +9
 - Stockfish 1.4 64-bit               2873  26.0-24.0  (+13-11=26)   99.9   -25
 - MinkoChess 1.3 64-bit              2870  20.0-12.0  (+15-7 =10)  100.0   +40
 - Doch 1.2 64-bit                    2866  25.0-23.0  (+15-13=20)  100.0   -34
 - Doch 09.980 64-bit                 2855  29.5-20.5  (+19-10=21)  100.0    -2
 - Rybka 1.0 64-bit                   2852  18.0-12.0  (+14-8 =8 )  100.0   +11
 - Shredder 11                        2847  31.5-18.5  (+24-11=15)  100.0   +23
 - Zappa Mexico II 64-bit             2844  49.5-30.5  (+31-12=37)  100.0    +4
 - Spark 0.3 64-bit                   2844  48.0-32.0  (+29-13=38)  100.0    -7
 - Deep Sjeng WC2008 64-bit           2842  47.0-33.0  (+30-16=34)  100.0   -13
 - Deep Shredder 11 64-bit            2842  33.0-17.0  (+25-9 =16)  100.0   +39
 - Deep Sjeng 3.0 64-bit              2838  32.0-18.0  (+21-7 =22)  100.0   +13
 - Onno 1.1.1 64-bit                  2837  27.0-23.0  (+15-11=24)  100.0   -49
 - Hiarcs 12                          2835  34.5-15.5  (+25-6 =19)  100.0   +45
 - Hiarcs 12.1                        2833  15.0-15.0  (+7 -7 =16)  100.0   -80
 - Crafty 23.8 64-bit                 2825   4.5-5.5   (+3 -4 =3 )  100.0  -113
 - Toga II 1.4.1SE                    2823  19.0-11.0  (+12-4 =14)  100.0    -6
 - Gaviota 0.86 64-bit                2799  31.5-8.5   (+27-4 =9 )  100.0  +103
 - Ktulu 9                            2781  35.0-15.0  (+29-9 =12)  100.0   +11
 - Bright 0.4a                        2779  33.0-17.0  (+26-10=14)  100.0   -20
 - SmarThink 1.20 64-bit              2747  37.5-12.5  (+30-5 =15)  100.0   +10
 - SmarThink 1.10 32-bit              2731  39.5-10.5  (+34-5 =11)  100.0   +39


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019