CCRL 40/4
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 2'102'110 games
played by 2'449 programs
28319 CPU days (X2 4600+)

White wins: 816'272 (38.8%)
Black wins: 660'160 (31.4%)
Draws: 625'678 (29.8%)
White score: 53.7%

Engine Details

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Critter 0.70 64-bit 4CPU in CCRL 40/4, 2019-09-21
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 0.70 64-bit 4CPU has no rank with rating of 3037 Elo points (+23 -23),
based on 567 games: 166 wins, 154 losses and 247 draws
Score: 51.1%, Average opponent: −7.3, Draws: 43.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4 64-bit 4CPU                3198   9.5-25.5  (+3 -19=13)    0.0    +9
 - Stockfish 1.7.1 64-bit 4CPU        3141  11.0-24.0  (+3 -16=16)    0.0    -9
 - Stockfish 1.8 64-bit 4CPU          3138  14.5-34.5  (+2 -22=25)    0.0   -21
 - Naum 4.2 64-bit 4CPU               3099  16.0-19.0  (+7 -10=18)    0.0   +33
 - Deep Shredder 12 64-bit 4CPU       3042  18.0-17.0  (+9 -8 =18)   35.0   +15
 - Bobcat 7.6 64-bit 4CPU             3035  29.0-23.0  (+19-13=20)   55.1   +37
 - Deep Fritz 12 4CPU                 3031  13.0-22.0  (+4 -13=18)   64.3   -82
 - Hiarcs 13.1 4CPU                   3009  16.5-18.5  (+9 -11=15)   98.2   -46
 - Spark 0.5 64-bit 4CPU              3000  22.5-25.5  (+13-16=19)   99.6   -56
 - Spark 0.4 64-bit 4CPU              2989  23.5-11.5  (+16-4 =15)  100.0   +58
 - Zappa Mexico II 64-bit 4CPU        2971  20.5-13.5  (+13-6 =15)  100.0    -2
 - Komodo 1.2 64-bit                  2967  22.0-13.0  (+13-4 =18)  100.0    +2
 - Onno 1.2.70 64-bit 4CPU            2955  24.0-11.0  (+16-3 =16)  100.0   +33
 - Deep Junior 11.2 64-bit 4CPU       2925  24.0-10.0  (+19-5 =10)  100.0   +29
 - Bright 0.5c 4CPU                   2906  25.5-9.5   (+20-4 =11)  100.0   +22


Created in 2005-2013 by CCRL team
Last games added on September 21, 2019