CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
Stockfish 1.9.1 64-bit in CCRL 40/40, 2018-04-21
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 Intel CPU.
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Stockfish 1.9.1 64-bit has no rank with rating of 3038 Elo points (+21 -21),
based on 733 games: 284 wins, 129 losses and 320 draws
Score: 60.6%, Average opponent: −72.7, Draws: 43.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 1.5a 64-bit                3119   5.5-14.5  (+1 -10=9 )    0.0   -62
 - Critter 1.2 64-bit                 3084  17.0-23.0  (+6 -12=22)    0.0    +3
 - Rybka 4.1 64-bit                   3081   9.0-11.0  (+3 -5 =12)    0.0   +18
 - Rybka 4 64-bit                     3080  20.0-24.0  (+13-17=14)    0.0   +13
 - Stockfish 2.1.1 64-bit             3056   9.0-11.0  (+3 -5 =12)    8.2   -13
 - Komodo 2.03 64-bit                 3050   7.0-9.0   (+2 -4 =10)   25.8   -21
 - Rybka 3 64-bit                     3049   9.0-15.0  (+3 -9 =12)   18.2   -61
 - Critter 1.01 64-bit                3048  14.5-13.5  (+7 -6 =15)   25.0   +20
 - Komodo 2.01 64-bit                 3046   5.5-9.5   (+2 -6 =7 )   30.0   -78
 - Critter 0.90 64-bit                3041  17.5-22.5  (+4 -9 =27)   41.5   -27
 - Stockfish 2.0.1 64-bit             3033   2.0-2.0   (+0 -0 =4 )   62.0    -5
 - Naum 4.2 64-bit                    2978  28.5-15.5  (+19-6 =19)  100.0   +32
 - Komodo 1.3 64-bit                  2976  25.0-19.0  (+14-8 =22)  100.0   -21
 - Critter 0.80 64-bit                2966  15.5-8.5   (+10-3 =11)  100.0   +20
 - Deep Shredder 12 64-bit            2942  31.0-21.0  (+18-8 =26)  100.0   -39
 - Gull 1.2 64-bit                    2920  14.0-6.0   (+9 -1 =10)  100.0    +1
 - Spike 1.4 Leiden                   2918  12.0-4.0   (+8 -0 =8 )  100.0   +32
 - Gull 0.12a 64-bit                  2910  19.5-4.5   (+17-2 =5 )  100.0  +113
 - Gull 1.1 64-bit                    2908  27.0-13.0  (+18-4 =18)  100.0   -24
 - Protector 1.4.0 64-bit             2906  12.5-3.5   (+11-2 =3 )  100.0   +88
 - Hiarcs 13.2                        2899  12.0-11.0  (+7 -6 =10)  100.0  -122
 - Spark 1.0 64-bit                   2894  12.0-4.0   (+9 -1 =6 )  100.0   +22
 - Hiarcs 13.1                        2874  19.0-5.0   (+16-2 =6 )  100.0   +51
 - Thinker 5.4c Inert 64-bit          2861  18.5-4.5   (+16-2 =5 )  100.0   +55
 - Zappa Mexico II 64-bit             2857  18.5-5.5   (+14-1 =9 )  100.0    +1
 - Hannibal 1.0a 64-bit               2832  20.0-4.0   (+16-0 =8 )  100.0   +25
 - Deep Junior 11.2 64-bit            2827  21.0-3.0   (+18-0 =6 )  100.0   +76
 - Jonny 4.00                         2781  22.0-2.0   (+20-0 =4 )  100.0  +104


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018