CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

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Critter 0.80 64-bit 4CPU in CCRL 40/40, 2019-09-14
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 0.80 64-bit 4CPU has no rank with rating of 3035 Elo points (+31 -30),
based on 321 games: 86 wins, 80 losses and 155 draws
Score: 50.9%, Average opponent: −8.8, Draws: 48.3%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Rybka 4 64-bit 4CPU               3148  10.0-22.0  (+0 -12=20)    0.0    +9
 - Vitruvius 1.11C 64-bit 4CPU       3119   5.0-13.0  (+2 -10=6 )    0.0   -68
 - Fizbo 1.7 64-bit 4CPU             3119   3.0-7.0   (+1 -5 =4 )    0.0   -45
 - Stockfish 1.8 64-bit 4CPU         3108  12.0-18.0  (+4 -10=16)    0.0   +16
 - Andscacs 0.82 64-bit 4CPU         3082   8.0-8.0   (+3 -3 =10)    1.2   +47
 - Pedone 1.6 64-bit 4CPU            3054  12.5-19.5  (+2 -9 =21)   16.1   -39
 - Chiron 1.1a 64-bit 4CPU           3041   8.0-10.0  (+2 -4 =12)   37.4   -25
 - Deep Shredder 12 64-bit 4CPU      3019  16.0-16.0  (+9 -9 =14)   82.9   -14
 - Arasan 18.3 64-bit 4CPU           2974  10.5-8.5   (+9 -7 =3 )   99.7   -18
 - Protector 1.3.6 64-bit 4CPU       2964  22.5-9.5   (+15-2 =15)   99.9   +51
 - Crafty 25.0 64-bit 4CPU           2951   7.5-2.5   (+5 -0 =5 )  100.0   +69
 - Komodo 1.2 64-bit                 2947  19.5-12.5  (+12-5 =15)  100.0   -26
 - Fizbo 1.4 64-bit 4CPU             2933   4.0-4.0   (+3 -3 =2 )  100.0   -96
 - Gull 0.12a 64-bit                 2909  25.0-7.0   (+19-1 =12)  100.0   +59


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019