CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Engine Details

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Stockfish DD 64-bit 4CPU in CCRL 40/40, 2019-12-07
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 DD 64-bit 4CPU has no rank with rating of 3234 Elo points (+17 -17),
based on 1032 games: 361 wins, 92 losses and 579 draws
Score: 63.0%, Average opponent: −78.2, Draws: 56.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 4 64-bit 4CPU              3242  55.0-43.0  (+29-17=52)   22.4   +43
 - Houdini 4 Tactical 64-bit 4CPU     3231  17.5-16.5  (+7 -6 =21)   58.3    +1
 - Arasan 21.4 64-bit 4CPU            3231   7.0-7.0   (+2 -2 =10)   58.0    -3
 - Komodo 7a 64-bit 4CPU              3228  45.0-37.0  (+18-10=54)   70.6   +19
 - Komodo TCEC 64-bit 4CPU            3219  57.5-46.5  (+23-12=69)   89.7   +13
 - Schooner 2.1 64-bit 4CPU           3216  14.0-12.0  (+5 -3 =18)   88.6     0
 - Komodo 6 64-bit 4CPU               3211  19.5-14.5  (+8 -3 =23)   97.5   +13
 - Gull 3 64-bit 4CPU                 3180  17.0-13.0  (+9 -5 =16)  100.0   -14
 - Gull 2.8b 64-bit 4CPU              3178   1.0-1.0   (+0 -0 =2 )  100.0   -56
 - Critter 1.6a 64-bit 4CPU           3159  28.5-25.5  (+9 -6 =39)  100.0   -61
 - Fire 3.0 64-bit 4CPU               3150  22.5-11.5  (+11-0 =23)  100.0    +1
 - Bouquet 1.8 64-bit 4CPU            3149  27.5-14.5  (+17-4 =21)  100.0    +5
 - Rybka 4 64-bit 4CPU                3147  23.5-10.5  (+16-3 =15)  100.0   +30
 - Rybka 4.1 64-bit 4CPU              3144  33.5-18.5  (+19-4 =29)  100.0    -5
 - Gull 2.3 64-bit 4CPU               3142  51.0-38.0  (+23-10=56)  100.0   -51
 - DeepSaros 4.1.6 64-bit 4CPU        3128   1.5-0.5   (+1 -0 =1 )  100.0   +36
 - BlackMamba 2.0 64-bit 4CPU         3123   1.5-0.5   (+1 -0 =1 )  100.0   +46
 - Sting SF 4 64-bit 4CPU             3095  22.0-10.0  (+14-2 =16)  100.0   -25
 - Chiron 2 64-bit 4CPU               3085  71.0-21.0  (+53-3 =36)  100.0   +29
 - Hannibal 1.4b 64-bit 4CPU          3077  29.0-13.0  (+17-1 =24)  100.0   -47
 - Deep Fritz 14 64-bit 4CPU          3072  24.0-6.0   (+18-0 =12)  100.0   +35
 - Naum 4.2 64-bit 4CPU               3061  33.5-8.5   (+26-1 =15)  100.0   +29
 - Protector 1.5.0 64-bit 4CPU        3056   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Hiarcs 14 4CPU                     3054   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Deep Junior Yokohama 64-bit 4CPU   3025  39.0-13.0  (+26-0 =26)  100.0   -58
 - Deep Shredder 12 64-bit 4CPU       3018   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Spike 1.4 Leiden 4CPU              3016   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Texel 1.03 64-bit 4CPU             3010   2.0-0.0   (+2 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on December 7, 2019