CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
White score: 53.7%

Engine Details

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Stockfish 1.6s JA 64-bit 4CPU in CCRL 40/4, 2019-10-12
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Stockfish 1.6s JA 64-bit 4CPU has no rank with rating of 3094 Elo points (+13 -13),
based on 2185 games: 1034 wins, 308 losses and 843 draws
Score: 66.6%, Average opponent: −116.0, Draws: 38.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit 4CPU                3167  42.0-58.0  (+25-41=34)    0.0   +19
 - Stockfish 1.7.1 64-bit 4CPU        3141  29.0-37.0  (+9 -17=40)    0.0   +15
 - Naum 4.2 64-bit 4CPU               3099  27.0-36.0  (+11-20=32)   23.1   -36
 - Stockfish 1.6.3 64-bit 4CPU        3090  54.5-44.5  (+24-14=61)   66.5   +24
 - Naum 4.1 64-bit 4CPU               3070  25.5-24.5  (+16-15=19)   99.1   -18
 - Naum 4 64-bit 4CPU                 3063  61.0-39.0  (+41-19=40)  100.0   +39
 - Deep Shredder 12 64-bit 4CPU       3042 119.0-81.0  (+66-28=106)  100.0    +3
 - Rybka 2.2 64-bit 4CPU              3003  57.5-41.5  (+38-22=39)  100.0   -38
 - Spark 0.4 64-bit 4CPU              2989  45.0-18.0  (+31-4 =28)  100.0   +29
 - Zappa Mexico II 64-bit 4CPU        2971  69.5-30.5  (+54-15=31)  100.0   +11
 - Spark 0.3 64-bit 4CPU              2970  76.5-22.5  (+59-5 =35)  100.0   +61
 - Spark 0.3a 64-bit 4CPU             2962  33.5-16.5  (+24-7 =19)  100.0   -21
 - Thinker 5.4c Inert 64-bit 4CPU     2952  70.5-29.5  (+54-13=33)  100.0    -4
 - Zappa Mexico 64-bit 4CPU           2946  69.5-29.5  (+50-10=39)  100.0   -17
 - Deep Junior 11.1a 64-bit 4CPU      2943  36.0-14.0  (+27-5 =18)  100.0    -6
 - Hiarcs 12 4CPU                     2942  74.5-25.5  (+57-8 =35)  100.0   +14
 - Deep Sjeng WC2008 64-bit 4CPU      2941  74.0-26.0  (+56-8 =36)  100.0    +7
 - Hiarcs 12.1 4CPU                   2939  68.0-32.0  (+50-14=36)  100.0   -36
 - Komodo 1.0 64-bit                  2933  72.0-28.0  (+53-9 =38)  100.0   -17
 - Bright 0.4a 4CPU                   2910  72.5-26.5  (+60-14=25)  100.0   -16
 - Bright 0.5c 4CPU                   2906  35.5-13.5  (+26-4 =19)  100.0   -40
 - Toga II 1.4 beta5c 4CPU            2904  74.5-25.5  (+57-8 =35)  100.0   -23
 - Loop M1-T 64-bit 4CPU              2882  79.0-20.0  (+66-7 =26)  100.0    +6
 - Spike 1.2 Turin                    2731  89.5-10.5  (+80-1 =19)  100.0   -36


Created in 2005-2013 by CCRL team
Last games added on October 12, 2019