CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Critter 1.4 64-bit in CCRL 40/40, 2017-11-18
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:
Critter 1.4 64-bit has no rank with rating of 3085 Elo points (+19 -19),
based on 774 games: 226 wins, 140 losses and 408 draws
Score: 55.6%, Average opponent: −37.6, 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                   3113  25.0-33.0  (+10-18=30)    0.6   -10
 - Strelka 5.5 64-bit                3107  15.5-19.5  (+5 -9 =21)    1.9    -7
 - Komodo 4 64-bit                   3103  32.0-39.0  (+12-19=40)    5.4   -11
 - Critter 1.6a 64-bit               3103   3.5-4.5   (+0 -1 =7 )    4.6   -13
 - Stockfish 2.3.1 64-bit            3081   4.5-3.5   (+3 -2 =3 )   62.7   +38
 - Rybka 4.1 64-bit                  3081  26.5-32.5  (+10-16=33)   65.6   -30
 - Rybka 4 64-bit                    3079   4.0-4.0   (+2 -2 =4 )   68.9     0
 - Stockfish 2.2.2 64-bit            3075  20.0-18.0  (+5 -3 =30)   76.4    +4
 - Stockfish 2.2 64-bit              3066  10.0-14.0  (+3 -7 =14)   82.3   -63
 - IvanHoe 9.46h 64-bit              3065  19.5-18.5  (+8 -7 =23)   96.0    -9
 - Stockfish 2.1.1 64-bit            3060  31.0-19.0  (+18-6 =26)   97.7   +47
 - Vitruvius 1.11C 64-bit            3052  13.0-10.0  (+6 -3 =14)   99.7    +2
 - Rybka 3 64-bit                    3050  13.5-10.5  (+8 -5 =11)   99.8    +3
 - DeepSaros 3.0 64-bit              3039  21.5-14.5  (+11-4 =21)   99.9    +9
 - Chiron 1.1a 64-bit                2981  17.0-11.0  (+6 -0 =22)  100.0   -49
 - Naum 4.2 64-bit                   2979  41.5-10.5  (+31-0 =21)  100.0   +88
 - Fritz 13                          2963   4.5-3.5   (+2 -1 =5 )  100.0   -85
 - 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                 2904   5.0-1.0   (+4 -0 =2 )  100.0   +50
 - Protector 1.4.0 64-bit            2904   3.5-2.5   (+2 -1 =3 )  100.0  -121
 - 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 November 18, 2017