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 1.01 32-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 1.01 32-bit has no rank with rating of 3023 Elo points (+19 -19),
based on 899 games: 402 wins, 119 losses and 378 draws
Score: 65.7%, Average opponent: −104.5, Draws: 42.0%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Texel 1.07 64-bit                 3057   6.0-6.0   (+2 -2 =8 )    3.0   +37
 - Sting SF 8.5 64-bit               3041   4.5-5.5   (+2 -3 =5 )   15.9   -13
 - Rybka 4.1 32-bit                  3032  23.5-18.5  (+12-7 =23)   23.4   +46
 - Stockfish 2.1.1 32-bit            3029  18.0-19.0  (+7 -8 =22)   33.2     0
 - Stockfish 2.0.1 32-bit            3015  17.0-21.0  (+7 -11=20)   74.9   -40
 - Rybka 4 32-bit                    3014  12.0-20.0  (+3 -11=18)   77.7   -79
 - Komodo 2.03 32-bit                3005  18.5-13.5  (+13-8 =11)   90.8   +34
 - Naum 4.2 32-bit                   2959  26.0-16.0  (+14-4 =24)  100.0    +2
 - Deep Sjeng c't 2010               2941  27.0-13.0  (+20-6 =14)  100.0   +33
 - Shredder 12 32-bit                2930  47.5-24.5  (+29-6 =37)  100.0    +2
 - Spike 1.4 Leiden                  2920  31.0-16.0  (+22-7 =18)  100.0    +2
 - Komodo 1.3 32-bit                 2918  31.5-10.5  (+23-2 =17)  100.0   +55
 - Rybka 2.3.2a 32-bit               2913  24.0-6.0   (+19-1 =10)  100.0   +98
 - Deep Junior 12.5 32-bit           2909  27.5-10.5  (+21-4 =13)  100.0   +38
 - Hiarcs 13.2                       2899  24.5-17.5  (+14-7 =21)  100.0   -73
 - Fritz 12                          2886  20.5-9.5   (+15-4 =11)  100.0   -16
 - Gull 1.0a 32-bit                  2886  19.5-10.5  (+15-6 =9 )  100.0   -33
 - Protector 1.4.0 32-bit            2877  25.5-12.5  (+19-6 =13)  100.0   -34
 - Gull 1.2 32-bit                   2875  28.5-10.5  (+22-4 =13)  100.0    +8
 - Spark 1.0 32-bit                  2865  28.0-11.0  (+19-2 =18)  100.0   -22
 - Thinker 5.4d Inert 32-bit         2857  27.5-11.5  (+18-2 =19)  100.0   -40
 - Booot 5.1.0                       2844  30.5-8.5   (+26-4 =9 )  100.0   +32
 - Cyclone xTreme                    2824  23.5-6.5   (+19-2 =9 )  100.0    +1
 - Hannibal 1.0a 32-bit              2802  32.0-6.0   (+28-2 =8 )  100.0   +45
 - Jonny 4.00                        2781   3.0-2.0   (+1 -0 =4 )  100.0  -182
 - MinkoChess 1.2 32-bit             2781   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Scorpio 2.7 32-bit                2749   5.5-0.5   (+5 -0 =1 )  100.0   +87
 - MinkoChess 1.1 32-bit             2741   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Chronos 1.9.9 32-bit              2740   3.0-1.0   (+2 -0 =2 )  100.0  -132
 - Bison 9.11 32-bit                 2727   3.5-0.5   (+3 -0 =1 )  100.0    -6


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017