CCRL 40/40
Downloads and Statistics
December 9, 2017
Testing summary:
Total: 766'023 games
played by 1'997 programs
104955 CPU days (X2 4600+)

White wins: 262'896 (34.3%)
Black wins: 194'802 (25.4%)
Draws: 308'325 (40.3%)
White score: 54.4%

Engine Details

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Critter 1.2 64-bit in CCRL 40/40, 2017-12-09
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Critter 1.2 64-bit has no rank with rating of 3085 Elo points (+14 -14),
based on 1511 games: 410 wins, 329 losses and 772 draws
Score: 52.7%, Average opponent: −17.5, Draws: 51.1%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 2.0c 64-bit               3127  88.5-109.5 (+41-62=95)    0.0   +10
 - Houdini 1.5a 64-bit               3119  97.0-125.0 (+40-68=114)    0.0    -2
 - Komodo 4 64-bit                   3103  73.0-66.0  (+36-29=74)    2.5   +34
 - Komodo 3 64-bit                   3096  83.0-93.0  (+35-45=96)   13.4    -5
 - Rybka 4.1 64-bit                  3081 109.0-123.0 (+42-56=134)   69.8   -21
 - Rybka 4 64-bit                    3080   7.5-8.5   (+4 -5 =7 )   71.1   -22
 - Stockfish 2.1.1 64-bit            3057  39.5-34.5  (+15-10=49)   99.7   -10
 - Rybka 3 64-bit                    3051  29.5-18.5  (+19-8 =21)  100.0   +38
 - Komodo 2.03 64-bit                3051  13.0-15.0  (+6 -8 =14)   98.1   -56
 - Komodo 2.01 64-bit                3046  29.0-18.0  (+21-10=16)   99.9   +38
 - Stockfish 1.9.1 64-bit            3039  23.0-17.0  (+12-6 =22)  100.0    -3
 - Stockfish 2.0.1 64-bit            3034   9.0-7.0   (+5 -3 =8 )  100.0   -13
 - Chiron 1.1a 64-bit                2981  30.5-19.5  (+18-7 =25)  100.0   -37
 - Naum 4.2 64-bit                   2979  30.0-10.0  (+23-3 =14)  100.0   +62
 - Komodo 1.3 64-bit                 2977  16.0-8.0   (+12-4 =8 )  100.0    +4
 - Fritz 13                          2963  33.5-16.5  (+18-1 =31)  100.0   -28
 - Deep Shredder 12 64-bit           2942  13.5-2.5   (+11-0 =5 )  100.0  +105
 - Shredder 12 32-bit                2930  16.5-6.5   (+10-0 =13)  100.0   -24
 - Gull 1.2 64-bit                   2920  10.0-6.0   (+5 -1 =10)  100.0   -94
 - Deep Junior 12.5 64-bit           2912  14.0-2.0   (+12-0 =4 )  100.0  +114
 - Gull 1.1 64-bit                   2909  18.0-6.0   (+14-2 =8 )  100.0    -6
 - Hiarcs 13.2                       2900  13.0-3.0   (+11-1 =4 )  100.0   +48


Created in 2005-2013 by CCRL team
Last games added on December 9, 2017