CCRL 40/40
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 1'084'933 games
played by 2'536 programs
148136 CPU days (X2 4600+)

White wins: 376'624 (34.7%)
Black wins: 280'046 (25.8%)
Draws: 428'263 (39.5%)
White score: 54.5%

Engine Details

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Critter 0.70 32-bit in CCRL 40/40, 2019-09-21
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 0.70 32-bit has no rank with rating of 2878 Elo points (+20 -20),
based on 795 games: 204 wins, 197 losses and 394 draws
Score: 50.4%, Average opponent: −3.5, Draws: 49.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4 32-bit                     3017  17.5-38.5  (+3 -24=29)    0.0   +28
 - Rybka 3 32-bit                     2994   7.0-23.0  (+2 -18=10)    0.0   -67
 - Stockfish 1.8 32-bit               2989   9.5-20.5  (+1 -12=17)    0.0    +2
 - Stockfish 1.7.1 32-bit             2977  12.0-24.0  (+4 -16=16)    0.0    -5
 - Naum 4.2 32-bit                    2959  10.0-24.0  (+5 -19=10)    0.0   -63
 - Shredder 12 32-bit                 2930  15.0-19.0  (+5 -9 =20)    0.0   +22
 - Rybka 2.3.2a 32-bit                2913  11.0-19.0  (+4 -12=14)    0.1   -44
 - Komodo 1.2 32-bit                  2897  19.5-18.5  (+7 -6 =25)    5.2   +27
 - Fritz 12                           2887  17.5-16.5  (+8 -7 =19)   21.0   +17
 - Hiarcs 13.1                        2875  19.0-15.0  (+11-7 =16)   59.4   +33
 - Thinker 5.4d Inert 32-bit          2857  19.5-18.5  (+8 -7 =23)   97.1   -16
 - Gull 0.11a 32-bit                  2848  32.5-27.5  (+17-12=31)   98.5    -4
 - Protector 1.3.5 32-bit             2830  21.5-16.5  (+10-5 =23)  100.0    -9
 - Grapefruit 1.0 32-bit              2827  24.0-14.0  (+17-7 =14)  100.0   +34
 - Deep Sjeng WC2008 32-bit           2826  19.0-11.0  (+11-3 =16)  100.0   +27
 - Protector 1.3.4 32-bit             2825  21.5-9.5   (+13-1 =17)  100.0   +59
 - Spark 0.4 32-bit                   2822  21.0-13.0  (+11-3 =20)  100.0   +12
 - Deep Junior 11.2 32-bit            2818  20.0-14.0  (+13-7 =14)  100.0    -3
 - Hannibal 1.0a 32-bit               2801  14.5-15.5  (+8 -9 =13)  100.0   -89
 - Onno 1.2.70 32-bit                 2787  21.5-8.5   (+13-0 =17)  100.0   +34
 - Bright 0.5c                        2778  19.0-11.0  (+14-6 =10)  100.0   -11
 - Loop 13.6 (Loop 2007) 32-bit       2774  18.0-12.0  (+10-4 =16)  100.0   -46
 - Twisted Logic 20100131x 32-bit     2739   3.0-1.0   (+2 -0 =2 )  100.0   +11
 - Bison 9.11 32-bit                  2728   3.0-1.0   (+3 -1 =0 )  100.0   +85
 - Booot 4.15.1                       2697   1.5-2.5   (+1 -2 =1 )  100.0  -276
 - Scorpio 2.5 32-bit                 2664   3.5-0.5   (+3 -0 =1 )  100.0   +74


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