CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (39.5%)
White score: 54.5%

Engine Details

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Stockfish 5 64-bit 4CPU in CCRL 40/40, 2019-11-08
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Stockfish 5 64-bit 4CPU has no rank with rating of 3269 Elo points (+15 -15),
based on 1324 games: 544 wins, 69 losses and 711 draws
Score: 67.9%, Average opponent: −111.1, Draws: 53.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Komodo 8 64-bit 4CPU               3285  46.5-57.5  (+9 -20=75)    6.1   -12
 - Houdini 4 64-bit 4CPU              3242  47.5-39.5  (+21-13=53)   99.8    -2
 - Komodo 7a 64-bit 4CPU              3228  76.5-53.5  (+32-9 =89)  100.0    +6
 - Fire 4 64-bit 4CPU                 3198  21.5-13.5  (+9 -1 =25)  100.0   -11
 - Gull 3 64-bit 4CPU                 3180  55.5-31.5  (+27-3 =57)  100.0   -13
 - Gull 2.8b 64-bit 4CPU              3179  21.0-11.0  (+11-1 =20)  100.0    -5
 - Equinox 3.20 64-bit 4CPU           3174  31.5-18.5  (+14-1 =35)  100.0   -26
 - Equinox 3.30 64-bit 4CPU           3162  23.5-7.5   (+16-0 =15)  100.0   +46
 - Critter 1.6a 64-bit 4CPU           3159  62.0-25.0  (+40-3 =44)  100.0   +18
 - Fire 3.0 64-bit 4CPU               3150  57.0-20.0  (+39-2 =36)  100.0   +30
 - Bouquet 1.8 64-bit 4CPU            3149  39.5-17.5  (+25-3 =29)  100.0    -5
 - Rybka 4 64-bit 4CPU                3148  19.5-10.5  (+12-3 =15)  100.0   -31
 - Rybka 4.1 64-bit 4CPU              3145  57.5-29.5  (+31-3 =53)  100.0   -33
 - DeepSaros 4.1.6 64-bit 4CPU        3128  23.0-7.0   (+16-0 =14)  100.0   +23
 - BlackMamba 2.0 64-bit 4CPU         3123  21.0-9.0   (+12-0 =18)  100.0   -35
 - Strelka 5.5 64-bit                 3104  18.0-2.0   (+16-0 =4 )  100.0  +164
 - Naum 4.6 64-bit 4CPU               3095  36.5-13.5  (+26-3 =21)  100.0   -25
 - Chiron 2 64-bit 4CPU               3086  40.0-10.0  (+31-1 =18)  100.0   +19
 - Hannibal 1.4b 64-bit 4CPU          3077  40.0-10.0  (+30-0 =20)  100.0    +4
 - Protector 1.7.0 64-bit 4CPU        3075  43.5-6.5   (+37-0 =13)  100.0   +85
 - Deep Fritz 14 64-bit 4CPU          3072  21.0-9.0   (+12-0 =18)  100.0   -84
 - Protector 1.6.0 64-bit 4CPU        3071  23.5-6.5   (+17-0 =13)  100.0   -18
 - Naum 4.2 64-bit 4CPU               3061  24.5-5.5   (+20-1 =9 )  100.0   +17
 - Texel 1.04 64-bit 4CPU             3058  24.5-5.5   (+20-1 =9 )  100.0   +14
 - Hiarcs 14 4CPU                     3054  25.0-5.0   (+21-1 =8 )  100.0   +30


Created in 2005-2013 by CCRL team
Last games added on November 8, 2019