CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Show each game results
Stockfish 2.1.1 64-bit in CCRL 40/4, 2019-07-20
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 Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Stockfish 2.1.1 64-bit has no rank with rating of 3092 Elo points (+15 -15),
based on 1546 games: 628 wins, 314 losses and 604 draws
Score: 60.2%, Average opponent: −71.7, Draws: 39.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 2.0c 64-bit                3202  25.5-55.5  (+14-44=23)    0.0   -19
 - Houdini 1.5a 64-bit                3170  36.0-44.0  (+19-27=34)    0.0   +47
 - Critter 1.4 64-bit                 3141  20.5-27.5  (+11-18=19)    0.0     0
 - Komodo 4 64-bit                    3126  36.0-45.0  (+19-28=34)    0.0     0
 - Critter 1.2 64-bit                 3120  41.0-47.0  (+23-29=36)    0.4    +6
 - Komodo 3 64-bit                    3109  66.0-66.0  (+30-30=72)    2.7   +15
 - Rybka 4.1 64-bit                   3109  43.5-52.5  (+19-28=49)    1.9   -10
 - Critter 1.01 64-bit                3077  30.0-18.0  (+18-6 =24)   89.1   +57
 - Komodo 2.03 64-bit                 3071  42.5-38.5  (+25-21=35)   98.4    -6
 - Komodo 2.01 64-bit                 3071  25.5-22.5  (+16-13=19)   97.6    -3
 - Naum 4.2 64-bit                    2987  60.0-35.0  (+38-13=44)  100.0   -23
 - Fritz 13                           2985  38.5-24.5  (+25-11=27)  100.0   -37
 - Rybka 2.3.2a 64-bit                2977  19.0-12.0  (+11-4 =16)  100.0   -49
 - Chiron 1.1a 64-bit                 2966  21.5-10.5  (+14-3 =15)  100.0   -21
 - Gull 1.1 64-bit                    2943  12.5-2.5   (+11-1 =3 )  100.0  +109
 - Gull 1.0a 64-bit                   2938  58.0-23.0  (+44-9 =28)  100.0    -8
 - Spark 1.0 64-bit                   2927  58.0-22.0  (+47-11=22)  100.0    -6
 - Spike 1.4 Leiden                   2921  36.0-12.0  (+28-4 =16)  100.0    +1
 - Deep Junior 12.5 64-bit            2897  25.0-7.0   (+21-3 =8 )  100.0   +11
 - Deep Junior 13 64-bit              2896  24.0-8.0   (+19-3 =10)  100.0   -24
 - Hannibal 1.1 64-bit                2895  26.5-5.5   (+23-2 =7 )  100.0   +53
 - Protector 1.4.0 64-bit             2889  27.0-5.0   (+23-1 =8 )  100.0   +54
 - Thinker 5.4c Inert 64-bit          2883  23.5-7.5   (+17-1 =13)  100.0   -46
 - Hannibal 1.0a 64-bit               2862  28.0-3.0   (+25-0 =6 )  100.0  +101
 - MinkoChess 1.2 64-bit              2842  26.0-6.0   (+20-0 =12)  100.0   -39
 - Booot 5.1.0                        2838  25.5-6.5   (+21-2 =9 )  100.0   -38
 - Toga II 1.4.1SE                    2823  27.5-4.5   (+24-1 =7 )  100.0   +13
 - Crafty 23.4 64-bit                 2781  27.0-5.0   (+23-1 =8 )  100.0   -52


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019