CCRL 40/40
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 780'914 games
played by 2'018 programs
107860 CPU days (X2 4600+)

White wins: 267'852 (34.3%)
Black wins: 198'301 (25.4%)
Draws: 314'761 (40.3%)
White score: 54.5%

Engine Details

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Critter 1.4 64-bit in CCRL 40/40, 2018-01-13
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:
Critter 1.4 64-bit has no rank with rating of 3085 Elo points (+20 -20),
based on 774 games: 226 wins, 140 losses and 408 draws
Score: 55.6%, Average opponent: −37.9, Draws: 52.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 3 64-bit                   3162   6.5-17.5  (+2 -13=9 )    0.0   -74
 - Houdini 2.0c 64-bit                3127   2.5-7.5   (+0 -5 =5 )    0.0  -106
 - Houdini 1.5a 64-bit                3119  24.0-26.0  (+7 -9 =34)    0.1   +22
 - Komodo 5 64-bit                    3112  25.0-33.0  (+10-18=30)    0.6   -11
 - Strelka 5.5 64-bit                 3107  15.5-19.5  (+5 -9 =21)    1.8    -7
 - Critter 1.6a 64-bit                3104   3.5-4.5   (+0 -1 =7 )    3.7   -12
 - Komodo 4 64-bit                    3102  32.0-39.0  (+12-19=40)    5.8   -12
 - Rybka 4.1 64-bit                   3081  26.5-32.5  (+10-16=33)   64.2   -30
 - Stockfish 2.3.1 64-bit             3081   4.5-3.5   (+3 -2 =3 )   61.9   +38
 - Rybka 4 64-bit                     3080   4.0-4.0   (+2 -2 =4 )   67.1     0
 - Stockfish 2.2.2 64-bit             3075  20.0-18.0  (+5 -3 =30)   75.9    +4
 - Stockfish 2.2 64-bit               3066  10.0-14.0  (+3 -7 =14)   81.9   -63
 - IvanHoe 9.46h 64-bit               3065  19.5-18.5  (+8 -7 =23)   95.8    -9
 - Stockfish 2.1.1 64-bit             3057  31.0-19.0  (+18-6 =26)   98.8   +44
 - Vitruvius 1.11C 64-bit             3052  13.0-10.0  (+6 -3 =14)   99.6    +2
 - Rybka 3 64-bit                     3050  13.5-10.5  (+8 -5 =11)   99.9    +3
 - DeepSaros 3.0 64-bit               3039  21.5-14.5  (+11-4 =21)   99.9    +9
 - Chiron 1.1a 64-bit                 2982  17.0-11.0  (+6 -0 =22)  100.0   -48
 - Naum 4.2 64-bit                    2979  41.5-10.5  (+31-0 =21)  100.0   +88
 - Fritz 13                           2962   4.5-3.5   (+2 -1 =5 )  100.0   -86
 - Deep Shredder 12 64-bit            2942   9.5-4.5   (+7 -2 =5 )  100.0   -27
 - Gull 1.2 64-bit                    2920  26.0-4.0   (+24-2 =4 )  100.0  +150
 - Spike 1.4 Leiden                   2920  20.5-7.5   (+15-2 =11)  100.0   -14
 - Hannibal 1.2 64-bit                2919   3.0-1.0   (+3 -1 =0 )  100.0   +60
 - Quazar 0.4 64-bit                  2906   5.0-1.0   (+4 -0 =2 )  100.0   +52
 - Protector 1.4.0 64-bit             2905   3.5-2.5   (+2 -1 =3 )  100.0  -120
 - Spark 1.0 64-bit                   2894  24.0-6.0   (+20-2 =8 )  100.0   +28
 - MinkoChess 1.3 64-bit              2854   3.0-1.0   (+2 -0 =2 )  100.0   -80


Created in 2005-2013 by CCRL team
Last games added on January 13, 2018