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 1.2 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 1.2 32-bit has no rank with rating of 3057 Elo points (+17 -17),
based on 1194 games: 555 wins, 123 losses and 516 draws
Score: 68.1%, Average opponent: −120.9, Draws: 43.2%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 2.0c 32-bit               3103  27.5-40.5  (+13-26=29)    0.0   -13
 - Houdini 1.5a 32-bit               3092  13.5-24.5  (+3 -14=21)    0.1   -48
 - Andscacs 0.85 64-bit              3061   5.0-5.0   (+3 -3 =4 )   36.6    +4
 - Komodo 4 32-bit                   3032  14.5-15.5  (+3 -4 =23)   98.3   -33
 - Rybka 4.1 32-bit                  3032  24.5-21.5  (+10-7 =29)   99.3    -7
 - Stockfish 2.1.1 32-bit            3029  36.5-24.5  (+19-7 =35)   99.4   +28
 - Komodo 3 32-bit                   3024  32.0-22.0  (+15-5 =34)   99.9   +18
 - Komodo 2.03 32-bit                3005  26.5-15.5  (+16-5 =21)  100.0   +27
 - Fritz 13                          2963  21.0-9.0   (+15-3 =12)  100.0   +32
 - Naum 4.2 32-bit                   2959  30.5-15.5  (+22-7 =17)  100.0    +7
 - Deep Sjeng c't 2010               2941  32.5-17.5  (+22-7 =21)  100.0   -20
 - Chiron 1.1a 32-bit                2930  27.5-10.5  (+20-3 =15)  100.0   +16
 - Shredder 12 32-bit                2930  50.5-25.5  (+33-8 =35)  100.0   -25
 - Spike 1.4 Leiden                  2920  45.5-16.5  (+30-1 =31)  100.0    +5
 - Rybka 2.3.2a 32-bit               2913  25.0-5.0   (+20-0 =10)  100.0   +89
 - Deep Junior 12.5 32-bit           2909  29.0-13.0  (+20-4 =18)  100.0   -27
 - Hiarcs 13.2                       2899  29.0-13.0  (+18-2 =22)  100.0   -44
 - Fritz 12                          2886  26.0-8.0   (+19-1 =14)  100.0    +1
 - Gull 1.0a 32-bit                  2886  23.0-7.0   (+19-3 =8 )  100.0   +24
 - Protector 1.4.0 32-bit            2877  41.0-9.0   (+34-2 =14)  100.0   +52
 - Gull 1.2 32-bit                   2875  32.5-9.5   (+25-2 =15)  100.0    +2
 - Hannibal 1.1 32-bit               2873  33.0-9.0   (+26-2 =14)  100.0   +12
 - Spark 1.0 32-bit                  2865  32.0-13.0  (+23-4 =18)  100.0   -58
 - Thinker 5.4d Inert 32-bit         2857  37.5-8.5   (+30-1 =15)  100.0   +20
 - Booot 5.1.0                       2844  39.0-7.0   (+32-0 =14)  100.0   +36
 - Cyclone xTreme                    2824  24.5-5.5   (+20-1 =9 )  100.0    -6
 - Jonny 4.00                        2781   8.0-0.0   (+8 -0 =0 )  100.0  +INF
 - MinkoChess 1.2 32-bit             2781  36.5-7.5   (+30-1 =13)  100.0   -40
 - Scorpio 2.7 32-bit                2749   6.0-2.0   (+4 -0 =4 )  100.0  -157
 - Chronos 1.9.9 32-bit              2740   3.5-0.5   (+3 -0 =1 )  100.0   -27


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