CCRL 40/40
Downloads and Statistics
November 11, 2017
Testing summary:
Total: 754'213 games
played by 1'962 programs
103027 CPU days (X2 4600+)

White wins: 259'159 (34.4%)
Black wins: 192'263 (25.5%)
Draws: 302'791 (40.1%)
White score: 54.4%

Engine Details

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Show each game results
Stockfish 2.3.1 32-bit in CCRL 40/40, 2017-11-11
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Stockfish 2.3.1 32-bit has no rank with rating of 3042 Elo points (+17 -17),
based on 1095 games: 350 wins, 192 losses and 553 draws
Score: 57.2%, Average opponent: −44.7, Draws: 50.5%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 3 32-bit                  3138  11.0-21.0  (+1 -11=20)    0.0    +7
 - Houdini 2.0c 32-bit               3104  15.0-17.0  (+8 -10=14)    0.0   +41
 - Houdini 1.5a 32-bit               3093  16.5-15.5  (+9 -8 =15)    0.0   +61
 - Strelka 5.5 32-bit                3091  11.0-21.0  (+3 -13=16)    0.0   -43
 - Strelka 5.1 32-bit                3086  18.5-13.5  (+10-5 =17)    0.0   +88
 - Critter 1.6a 32-bit               3070  14.5-17.5  (+4 -7 =21)    0.8    +2
 - Komodo 5 32-bit                   3049  29.5-34.5  (+9 -14=41)   27.3   -14
 - Vitruvius 1.11C 32-bit            3033  17.0-15.0  (+10-8 =14)   78.2   +10
 - Rybka 4.1 32-bit                  3032  16.0-16.0  (+10-10=12)   83.1   -11
 - IvanHoe 9.46h 32-bit              3028  16.5-15.5  (+7 -6 =19)   90.5    -4
 - DeepSaros 2.3j 32-bit             3023  15.5-16.5  (+6 -7 =19)   95.6   -28
 - Bouquet 1.6 32-bit                3019  15.0-15.0  (+7 -7 =16)   97.1   -24
 - RobboLito 0.21Q 32-bit            3016  15.5-14.5  (+4 -3 =23)   98.5   -14
 - Bouquet 1.5 32-bit                3013  18.5-13.5  (+10-5 =17)   99.3   +19
 - Sting SF 2 32-bit                 3005  21.5-10.5  (+13-2 =17)   99.9   +66
 - DeepSaros 3.0 32-bit              3001  35.5-28.5  (+20-13=31)  100.0    -8
 - Gull II b2 32-bit                 2984  38.5-25.5  (+19-6 =39)  100.0    -2
 - Gull II 32-bit                    2981  17.5-14.5  (+9 -6 =17)  100.0   -35
 - Fritz 13                          2963  17.0-15.0  (+9 -7 =16)  100.0   -60
 - Hiarcs 14                         2963  22.0-10.0  (+16-4 =12)  100.0   +42
 - Naum 4.2 32-bit                   2960  19.0-13.0  (+11-5 =16)  100.0   -26
 - Protector 1.5.0 32-bit            2951  20.5-8.5   (+13-1 =15)  100.0   +30
 - Chiron 1.5 32-bit                 2945  18.5-13.5  (+9 -4 =19)  100.0   -55
 - Deep Sjeng c't 2010               2942  20.5-11.5  (+14-5 =13)  100.0    -8
 - Hannibal 1.3 32-bit               2931  10.0-4.0   (+8 -2 =4 )  100.0   +40
 - Chiron 1.1a 32-bit                2930  23.0-9.0   (+18-4 =10)  100.0   +37
 - Shredder 12 32-bit                2930  42.5-21.5  (+31-10=23)  100.0    -4
 - Spike 1.4 Leiden                  2921  23.0-9.0   (+15-1 =16)  100.0   +10
 - Rybka 2.3.2a 32-bit               2913  22.0-10.0  (+14-2 =16)  100.0   -18
 - Hannibal 1.2 32-bit               2905  23.0-9.0   (+16-2 =14)  100.0     0
 - Quazar 0.4 32-bit                 2881  22.5-9.5   (+17-4 =11)  100.0   -26


Created in 2005-2013 by CCRL team
Last games added on November 11, 2017