CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Engine Details

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Critter 0.90 64-bit 4CPU in CCRL 40/40, 2019-08-17
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Critter 0.90 64-bit 4CPU has no rank with rating of 3078 Elo points (+31 -31),
based on 316 games: 77 wins, 92 losses and 147 draws
Score: 47.6%, Average opponent: +13.9, Draws: 46.5%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 1.5a 64-bit 4CPU          3185  13.0-36.0  (+4 -27=18)    0.0   -46
 - Rybka 4 64-bit 4CPU               3147  13.5-20.5  (+6 -13=15)    0.0    +5
 - Sting SF 4.8.4 64-bit 4CPU        3132   0.5-1.5   (+0 -1 =1 )    0.7   -87
 - Stockfish 2.0.1 64-bit 4CPU       3127  29.0-34.0  (+12-17=34)    0.4   +26
 - Stockfish 1.9.1 64-bit 4CPU       3112  14.5-19.5  (+4 -9 =21)    4.2    -7
 - Hannibal 1.5 64-bit 4CPU          3110   0.0-2.0   (+0 -2 =0 )    4.6  -INF
 - Naum 4.6 64-bit 4CPU              3095   0.5-1.5   (+0 -1 =1 )   17.3  -125
 - Chiron 2 64-bit 4CPU              3085   1.0-1.0   (+1 -1 =0 )   34.8    +7
 - Texel 1.05 64-bit 4CPU            3084   1.5-0.5   (+1 -0 =1 )   37.3  +148
 - Protector 1.7.0 64-bit 4CPU       3075   0.5-1.5   (+0 -1 =1 )   57.4  -159
 - Naum 4.2 64-bit 4CPU              3061  19.0-19.0  (+7 -7 =24)   85.2   -17
 - NirvanaChess 2.0a 64-bit 4CPU     3056   2.0-0.0   (+2 -0 =0 )   84.3  +INF
 - Hiarcs 14 4CPU                    3054   0.5-1.5   (+0 -1 =1 )   92.2  -166
 - Deep Junior Yokohama 64-bit 4CPU  3025   1.0-1.0   (+1 -1 =0 )   99.8   -53
 - Senpai 1.0 64-bit 4CPU            3024   2.0-0.0   (+2 -0 =0 )   99.9  +INF
 - Rybka 2.3.2a 64-bit 4CPU          3018   1.0-1.0   (+0 -0 =2 )  100.0   -60
 - Deep Shredder 12 64-bit 4CPU      3018  24.0-12.0  (+18-6 =12)  100.0   +52
 - Spike 1.4 Leiden 4CPU             3016   0.5-1.5   (+0 -1 =1 )  100.0  -218
 - Cheng4 0.38 64-bit 4CPU           2981   1.0-1.0   (+1 -1 =0 )  100.0   -97
 - Protector 1.3.6 64-bit 4CPU       2964  24.0-10.0  (+17-3 =14)  100.0   +17
 - Fizbo 1.31 64-bit 4CPU            2956   1.5-0.5   (+1 -0 =1 )  100.0   +20


Created in 2005-2013 by CCRL team
Last games added on August 17, 2019