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 0.70 32-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 0.70 32-bit has no rank with rating of 2877 Elo points (+19 -19),
based on 795 games: 204 wins, 197 losses and 394 draws
Score: 50.4%, Average opponent: −2.9, Draws: 49.6%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Rybka 4 32-bit                    3014  17.5-38.5  (+3 -24=29)    0.0   +26
 - Rybka 3 32-bit                    2994   7.0-23.0  (+2 -18=10)    0.0   -66
 - Stockfish 1.8 32-bit              2985   9.5-20.5  (+1 -12=17)    0.0     0
 - Stockfish 1.7.1 32-bit            2973  12.0-24.0  (+4 -16=16)    0.0    -8
 - Naum 4.2 32-bit                   2960  10.0-24.0  (+5 -19=10)    0.0   -61
 - Shredder 12 32-bit                2930  15.0-19.0  (+5 -9 =20)    0.0   +23
 - Rybka 2.3.2a 32-bit               2913  11.0-19.0  (+4 -12=14)    0.0   -43
 - Komodo 1.2 32-bit                 2897  19.5-18.5  (+7 -6 =25)    5.0   +28
 - Fritz 12                          2887  17.5-16.5  (+8 -7 =19)   19.7   +18
 - Hiarcs 13.1                       2875  19.0-15.0  (+11-7 =16)   57.6   +34
 - Thinker 5.4d Inert 32-bit         2857  19.5-18.5  (+8 -7 =23)   96.8   -15
 - Gull 0.11a 32-bit                 2848  32.5-27.5  (+17-12=31)   98.4    -3
 - Protector 1.3.5 32-bit            2830  21.5-16.5  (+10-5 =23)  100.0    -8
 - Grapefruit 1.0 32-bit             2826  24.0-14.0  (+17-7 =14)  100.0   +34
 - Protector 1.3.4 32-bit            2826  21.5-9.5   (+13-1 =17)  100.0   +61
 - Deep Sjeng WC2008 32-bit          2826  19.0-11.0  (+11-3 =16)  100.0   +28
 - Spark 0.4 32-bit                  2821  21.0-13.0  (+11-3 =20)  100.0   +12
 - Deep Junior 11.2 32-bit           2820  20.0-14.0  (+13-7 =14)  100.0     0
 - Hannibal 1.0a 32-bit              2802  14.5-15.5  (+8 -9 =13)  100.0   -87
 - Onno 1.2.70 32-bit                2787  21.5-8.5   (+13-0 =17)  100.0   +35
 - Bright 0.5c                       2777  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   -45
 - Twisted Logic 20100131x 32-bit    2739   3.0-1.0   (+2 -0 =2 )  100.0   +12
 - Bison 9.11 32-bit                 2728   3.0-1.0   (+3 -1 =0 )  100.0   +86
 - Booot 4.15.1                      2706   1.5-2.5   (+1 -2 =1 )  100.0  -266
 - Scorpio 2.5 32-bit                2663   3.5-0.5   (+3 -0 =1 )  100.0   +74


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