CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
Stockfish 2.0.1 32-bit in CCRL 40/40, 2018-02-17
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 2.0.1 32-bit has no rank with rating of 3016 Elo points (+18 -18),
based on 1024 games: 465 wins, 94 losses and 465 draws
Score: 68.1%, Average opponent: −117.7, Draws: 45.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4.1 32-bit                   3032  18.5-19.5  (+5 -6 =27)    6.6    +8
 - SmarThink 1.98 64-bit              3027   2.0-4.0   (+1 -3 =2 )   29.7  -101
 - Critter 1.01 32-bit                3025  21.0-17.0  (+11-7 =20)   25.1   +41
 - Rybka 4 32-bit                     3016  13.0-17.0  (+6 -10=14)   49.5   -39
 - Arasan 20.3 64-bit                 3012   7.5-4.5   (+5 -2 =5 )   62.1   +75
 - Critter 0.90 32-bit                2988  17.5-20.5  (+5 -8 =25)   99.1   -50
 - Naum 4.2 32-bit                    2960  21.0-17.0  (+11-7 =20)  100.0   -25
 - Deep Sjeng c't 2010                2943  22.0-16.0  (+10-4 =24)  100.0   -28
 - Shredder 12 32-bit                 2930  46.0-22.0  (+30-6 =32)  100.0   +21
 - Spike 1.4 Leiden                   2920  28.5-13.5  (+18-3 =21)  100.0   +11
 - Komodo 1.3 32-bit                  2919  29.0-17.0  (+16-4 =26)  100.0   -21
 - Rybka 2.3.2a 32-bit                2913  23.5-6.5   (+19-2 =9 )  100.0   +96
 - Deep Junior 12.5 32-bit            2909  20.5-13.5  (+14-7 =13)  100.0   -38
 - Hiarcs 13.2                        2901  25.5-12.5  (+14-1 =23)  100.0   -18
 - Fritz 12                           2887  25.0-9.0   (+18-2 =14)  100.0   +20
 - Gull 1.0a 32-bit                   2887  22.0-8.0   (+15-1 =14)  100.0   +14
 - Protector 1.4.0 32-bit             2880  27.5-10.5  (+19-2 =17)  100.0    +4
 - Gull 1.1 32-bit                    2878  28.5-9.5   (+20-1 =17)  100.0   +18
 - Gull 1.2 32-bit                    2876  29.0-9.0   (+21-1 =16)  100.0   +29
 - Spark 1.0 32-bit                   2866  31.5-10.5  (+23-2 =17)  100.0   +11
 - Deep Junior 12 32-bit              2858  21.0-9.0   (+15-3 =12)  100.0   -30
 - Thinker 5.4d Inert 32-bit          2857  27.5-14.5  (+16-3 =23)  100.0   -69
 - Booot 5.1.0                        2845  32.5-9.5   (+23-0 =19)  100.0    +1
 - Protector 1.3.5 32-bit             2831  23.0-11.0  (+14-2 =18)  100.0   -80
 - Grapefruit 1.0 32-bit              2827  24.0-6.0   (+20-2 =8 )  100.0   +33
 - Cyclone xTreme                     2825  22.5-7.5   (+19-4 =7 )  100.0    -6
 - Hannibal 1.0a 32-bit               2803  35.5-6.5   (+30-1 =11)  100.0   +45
 - Jonny 4.00                         2781  30.5-3.5   (+27-0 =7 )  100.0   +88
 - Scorpio 2.7 32-bit                 2750   3.5-0.5   (+3 -0 =1 )  100.0   +17
 - Tornado 4.4 32-bit                 2745   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - MinkoChess 1.1 32-bit              2742   7.0-1.0   (+6 -0 =2 )  100.0   +15
 - Chronos 1.9.9 32-bit               2740   3.5-0.5   (+3 -0 =1 )  100.0   +13
 - Bison 9.11 32-bit                  2728   4.0-0.0   (+4 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018