CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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Critter 1.01 32-bit in CCRL 40/40, 2018-02-17
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 1.01 32-bit has no rank with rating of 3025 Elo points (+19 -19),
based on 899 games: 402 wins, 119 losses and 378 draws
Score: 65.7%, Average opponent: −105.3, Draws: 42.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Texel 1.07 64-bit                  3079   6.0-6.0   (+2 -2 =8 )    0.0   +57
 - Sting SF 8.5 64-bit                3043   4.5-5.5   (+2 -3 =5 )   15.3   -13
 - Rybka 4.1 32-bit                   3032  23.5-18.5  (+12-7 =23)   25.2   +44
 - Stockfish 2.1.1 32-bit             3029  18.0-19.0  (+7 -8 =22)   34.9    -2
 - Rybka 4 32-bit                     3016  12.0-20.0  (+3 -11=18)   75.8   -79
 - Stockfish 2.0.1 32-bit             3016  17.0-21.0  (+7 -11=20)   74.9   -41
 - Komodo 2.03 32-bit                 3007  18.5-13.5  (+13-8 =11)   90.6   +34
 - Naum 4.2 32-bit                    2960  26.0-16.0  (+14-4 =24)  100.0    +1
 - Deep Sjeng c't 2010                2943  27.0-13.0  (+20-6 =14)  100.0   +33
 - Shredder 12 32-bit                 2930  47.5-24.5  (+29-6 =37)  100.0     0
 - Spike 1.4 Leiden                   2920  31.0-16.0  (+22-7 =18)  100.0     0
 - Komodo 1.3 32-bit                  2919  31.5-10.5  (+23-2 =17)  100.0   +54
 - Rybka 2.3.2a 32-bit                2913  24.0-6.0   (+19-1 =10)  100.0   +96
 - Deep Junior 12.5 32-bit            2909  27.5-10.5  (+21-4 =13)  100.0   +36
 - Hiarcs 13.2                        2901  24.5-17.5  (+14-7 =21)  100.0   -73
 - Fritz 12                           2887  20.5-9.5   (+15-4 =11)  100.0   -17
 - Gull 1.0a 32-bit                   2887  19.5-10.5  (+15-6 =9 )  100.0   -34
 - Protector 1.4.0 32-bit             2880  25.5-12.5  (+19-6 =13)  100.0   -33
 - Gull 1.2 32-bit                    2876  28.5-10.5  (+22-4 =13)  100.0    +7
 - Spark 1.0 32-bit                   2866  28.0-11.0  (+19-2 =18)  100.0   -23
 - Thinker 5.4d Inert 32-bit          2857  27.5-11.5  (+18-2 =19)  100.0   -42
 - Booot 5.1.0                        2845  30.5-8.5   (+26-4 =9 )  100.0   +31
 - Cyclone xTreme                     2825  23.5-6.5   (+19-2 =9 )  100.0     0
 - Hannibal 1.0a 32-bit               2803  32.0-6.0   (+28-2 =8 )  100.0   +44
 - MinkoChess 1.2 32-bit              2782   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Jonny 4.00                         2781   3.0-2.0   (+1 -0 =4 )  100.0  -184
 - Scorpio 2.7 32-bit                 2750   5.5-0.5   (+5 -0 =1 )  100.0   +86
 - MinkoChess 1.1 32-bit              2742   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  -134
 - Bison 9.11 32-bit                  2728   3.5-0.5   (+3 -0 =1 )  100.0    -7


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018