CCRL 40/40
Downloads and Statistics
December 10, 2019
Testing summary:
Total: 1'104'091 games
played by 2'573 programs
150964 CPU days (X2 4600+)

White wins: 382'628 (34.7%)
Black wins: 284'145 (25.7%)
Draws: 437'318 (39.6%)
White score: 54.5%

Engine Details

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Critter 1.6 32-bit in CCRL 40/40, 2019-12-10
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Critter 1.6 32-bit has no rank with rating of 3067 Elo points (+20 -20),
based on 795 games: 310 wins, 73 losses and 412 draws
Score: 64.9%, Average opponent: −94.5, Draws: 51.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Defenchess 2.1 64-bit              3149   6.5-13.5  (+2 -9 =9 )    0.0   -28
 - Houdini 2.0c 32-bit                3102  15.0-16.0  (+5 -6 =20)    0.1   +24
 - Houdini 1.5a 32-bit                3091  17.5-14.5  (+9 -6 =17)    2.3   +51
 - Strelka 5.5 32-bit                 3088  14.0-18.0  (+1 -5 =26)    4.4    -9
 - Stockfish 2.2.2 32-bit             3050  17.5-14.5  (+8 -5 =19)   92.2    +8
 - Komodo 4 32-bit                    3032  18.0-14.0  (+10-6 =16)   99.8     0
 - Rybka 4.1 32-bit                   3030  19.0-12.0  (+10-3 =18)   99.9   +29
 - Vitruvius 1.11C 32-bit             3030  16.0-16.0  (+5 -5 =22)   99.9   -37
 - Demolito 2019-07-15 64-bit         3028   7.5-2.5   (+5 -0 =5 )   99.2  +109
 - IvanHoe 9.46h 32-bit               3023  16.5-15.5  (+4 -3 =25)  100.0   -35
 - Komodo 3 32-bit                    3023  20.5-11.5  (+11-2 =19)  100.0   +33
 - DeepSaros 2.3j 32-bit              3021  18.0-14.0  (+7 -3 =22)  100.0   -10
 - Fritz 13                           2960  19.0-13.0  (+10-4 =18)  100.0   -51
 - Naum 4.2 32-bit                    2958  23.5-8.5   (+16-1 =15)  100.0   +35
 - Deep Sjeng c't 2010                2941  23.5-8.5   (+17-2 =13)  100.0   +23
 - Chiron 1.1a 32-bit                 2931  23.5-7.5   (+17-1 =13)  100.0   +28
 - Shredder 12 32-bit                 2929  47.5-16.5  (+34-3 =27)  100.0   +18
 - Spike 1.4 Leiden                   2914  21.0-11.0  (+13-3 =16)  100.0   -58
 - Rybka 2.3.2a 32-bit                2912  24.0-8.0   (+16-0 =16)  100.0    -2
 - Hannibal 1.2 32-bit                2905  24.5-7.5   (+18-1 =13)  100.0   +10
 - Gull 1.0a 32-bit                   2885  25.5-6.5   (+20-1 =11)  100.0   +21
 - Quazar 0.4 32-bit                  2879  25.5-6.5   (+21-2 =9 )  100.0   +27
 - Protector 1.4.0 32-bit             2879  24.0-8.0   (+16-0 =16)  100.0   -37
 - Gull 1.2 32-bit                    2876  21.5-10.5  (+13-2 =17)  100.0   -86
 - MinkoChess 1.3 32-bit              2829  27.0-5.0   (+22-0 =10)  100.0    +7


Created in 2005-2013 by CCRL team
Last games added on December 10, 2019