CCRL 40/4
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 2'085'472 games
played by 2'422 programs
28065 CPU days (X2 4600+)

White wins: 809'852 (38.8%)
Black wins: 654'916 (31.4%)
Draws: 620'704 (29.8%)
White score: 53.7%

Engine Details

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Critter 0.60 64-bit 4CPU in CCRL 40/4, 2019-08-17
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Critter 0.60 64-bit 4CPU has no rank with rating of 2911 Elo points (+23 -23),
based on 649 games: 130 wins, 295 losses and 224 draws
Score: 37.3%, Average opponent: +90.1, Draws: 34.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4 64-bit 4CPU                3198   5.0-44.0  (+1 -40=8 )    0.0   -52
 - Stockfish 1.7.1 64-bit 4CPU        3141   8.0-42.0  (+1 -35=14)    0.0   -19
 - Naum 4.2 64-bit 4CPU               3099  10.5-39.5  (+2 -31=17)    0.0   -11
 - Deep Shredder 12 64-bit 4CPU       3042  16.5-33.5  (+7 -24=19)    0.0   +20
 - Spark 0.5 64-bit 4CPU              3000  19.0-31.0  (+7 -19=24)    0.0   +15
 - Zappa Mexico II 64-bit 4CPU        2971  21.5-28.5  (+15-22=13)    0.0   +11
 - Onno 1.2.70 64-bit 4CPU            2955  23.5-26.5  (+12-15=23)    0.0   +22
 - Thinker 5.4c Inert 64-bit 4CPU     2952  22.5-27.5  (+15-20=15)    0.1    +6
 - Protector 1.3.4 64-bit 4CPU        2952  26.0-24.0  (+13-11=26)    0.1   +50
 - Hiarcs 12 4CPU                     2941  21.5-28.5  (+13-20=17)    0.8   -15
 - Hiarcs 12.1 4CPU                   2939  21.5-28.5  (+12-19=19)    1.5   -17
 - Deep Junior 11.2 64-bit 4CPU       2924  21.0-29.0  (+15-23=12)   17.8   -44
 - Toga II 1.4 beta5c 4CPU            2904  25.5-24.5  (+17-16=17)   72.5     0


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