CCRL 40/40
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 780'914 games
played by 2'018 programs
107860 CPU days (X2 4600+)

White wins: 267'852 (34.3%)
Black wins: 198'301 (25.4%)
Draws: 314'761 (40.3%)
White score: 54.5%

Engine Details

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Critter 0.90 64-bit 4CPU in CCRL 40/40, 2018-01-13
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 0.90 64-bit 4CPU has no rank with rating of 3084 Elo points (+31 -31),
based on 316 games: 77 wins, 92 losses and 147 draws
Score: 47.6%, Average opponent: +13.3, Draws: 46.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 1.5a 64-bit 4CPU           3192  13.0-36.0  (+4 -27=18)    0.0   -45
 - Rybka 4 64-bit 4CPU                3154  13.5-20.5  (+6 -13=15)    0.0    +6
 - Sting SF 4.8.4 64-bit 4CPU         3139   0.5-1.5   (+0 -1 =1 )    0.6   -86
 - Stockfish 2.0.1 64-bit 4CPU        3133  29.0-34.0  (+12-17=34)    0.4   +26
 - Hannibal 1.5 64-bit 4CPU           3117   0.0-2.0   (+0 -2 =0 )    3.9  -INF
 - Stockfish 1.9.1 64-bit 4CPU        3115  14.5-19.5  (+4 -9 =21)    5.0   -10
 - Naum 4.6 64-bit 4CPU               3102   0.5-1.5   (+0 -1 =1 )   14.9  -124
 - Chiron 2 64-bit 4CPU               3092   1.0-1.0   (+1 -1 =0 )   31.6    +8
 - Texel 1.05 64-bit 4CPU             3091   1.5-0.5   (+1 -0 =1 )   34.1  +149
 - Protector 1.7.0 64-bit 4CPU        3082   0.5-1.5   (+0 -1 =1 )   53.9  -158
 - Naum 4.2 64-bit 4CPU               3066  19.0-19.0  (+7 -7 =24)   85.0   -18
 - NirvanaChess 2.0a 64-bit 4CPU      3063   2.0-0.0   (+2 -0 =0 )   82.8  +INF
 - Hiarcs 14 4CPU                     3060   0.5-1.5   (+0 -1 =1 )   91.4  -166
 - Deep Junior Yokohama 64-bit 4CPU   3031   1.0-1.0   (+1 -1 =0 )   99.8   -53
 - Senpai 1.0 64-bit 4CPU             3030   2.0-0.0   (+2 -0 =0 )   99.8  +INF
 - Deep Shredder 12 64-bit 4CPU       3023  24.0-12.0  (+18-6 =12)  100.0   +51
 - Spike 1.4 Leiden 4CPU              3022   0.5-1.5   (+0 -1 =1 )  100.0  -218
 - Rybka 2.3.2a 64-bit 4CPU           3021   1.0-1.0   (+0 -0 =2 )  100.0   -63
 - Cheng4 0.38 64-bit 4CPU            2986   1.0-1.0   (+1 -1 =0 )  100.0   -98
 - Protector 1.3.6 64-bit 4CPU        2967  24.0-10.0  (+17-3 =14)  100.0   +14
 - Fizbo 1.31 64-bit 4CPU             2960   1.5-0.5   (+1 -0 =1 )  100.0   +18


Created in 2005-2013 by CCRL team
Last games added on January 13, 2018