CCRL 40/40
Downloads and Statistics
November 11, 2017
Testing summary:
Total: 754'213 games
played by 1'962 programs
103027 CPU days (X2 4600+)

White wins: 259'159 (34.4%)
Black wins: 192'263 (25.5%)
Draws: 302'791 (40.1%)
White score: 54.4%

Engine Details

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Critter 1.4 64-bit 4CPU in CCRL 40/40, 2017-11-11
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 1.4 64-bit 4CPU has no rank with rating of 3149 Elo points (+19 -19),
based on 791 games: 270 wins, 93 losses and 428 draws
Score: 61.2%, Average opponent: −68.0, Draws: 54.1%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 2.0c 64-bit 4CPU          3201  26.5-33.5  (+9 -16=35)    0.0   +20
 - Stockfish 2.2.2 64-bit 4CPU       3154  25.5-32.5  (+10-17=31)   34.7   -29
 - Rybka 4.1 64-bit 4CPU             3152  56.5-51.5  (+25-20=63)   40.9   +14
 - Vitruvius 1.11C 64-bit 4CPU       3126  17.5-14.5  (+6 -3 =23)   97.4     0
 - IvanHoe 9.46h 64-bit 4CPU         3120  27.0-27.0  (+7 -7 =40)   99.3   -28
 - Strelka 5.5 64-bit                3108  18.5-11.5  (+8 -1 =21)  100.0   +20
 - Komodo 4 64-bit                   3104  18.0-14.0  (+9 -5 =18)  100.0    -9
 - Naum 4.2 64-bit 4CPU              3068  67.5-36.5  (+38-7 =59)  100.0    +3
 - Chiron 1.1a 64-bit 4CPU           3048  20.0-12.0  (+11-3 =18)  100.0   -30
 - Deep Junior 13 64-bit 4CPU        3034  26.0-6.0   (+20-0 =12)  100.0   +94
 - Deep Shredder 12 64-bit 4CPU      3025  36.0-15.0  (+24-3 =24)  100.0    +3
 - Spike 1.4 Leiden 4CPU             3025  37.0-16.0  (+26-5 =22)  100.0    +1
 - Protector 1.4.0 64-bit 4CPU       2990  25.5-6.5   (+20-1 =11)  100.0   +42
 - Hiarcs 13.2 4CPU                  2988  24.0-8.0   (+17-1 =14)  100.0    -3
 - Spark 1.0 64-bit 4CPU             2977  23.5-8.5   (+18-3 =11)  100.0   -14
 - Zappa Mexico II 64-bit 4CPU       2974  35.0-14.0  (+22-1 =26)  100.0   -51


Created in 2005-2013 by CCRL team
Last games added on November 11, 2017