CCRL 40/4
Downloads and Statistics
August 24, 2019
Testing summary:
Total: 2'089'528 games
played by 2'430 programs
28120 CPU days (X2 4600+)

White wins: 811'498 (38.8%)
Black wins: 656'361 (31.4%)
Draws: 621'669 (29.8%)
White score: 53.7%

Engine Details

Options
Show each game results
Critter 1.4 64-bit in CCRL 40/4, 2019-08-24
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Critter 1.4 64-bit has no rank with rating of 3141 Elo points (+15 -15),
based on 1679 games: 764 wins, 242 losses and 673 draws
Score: 65.5%, Average opponent: −113.4, Draws: 40.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 3 64-bit                   3217   8.0-8.0   (+4 -4 =8 )    0.0   +70
 - Houdini 2.0c 64-bit                3202  61.5-85.5  (+26-50=71)    0.0   +11
 - Komodo CCT 64-bit                  3181  11.0-21.0  (+2 -12=18)    0.0   -47
 - Houdini 1.5a 64-bit                3170  23.5-27.5  (+14-18=19)    0.1    +2
 - Critter 1.6a 64-bit                3158   8.5-7.5   (+4 -3 =9 )    2.4   +35
 - Komodo 5 64-bit                    3145  41.0-39.0  (+23-21=36)   34.8   +12
 - Strelka 5.1 64-bit                 3142  22.0-29.0  (+6 -13=32)   49.3   -39
 - Komodo 4 64-bit                    3127  51.5-46.5  (+28-23=47)   95.1    +1
 - Stockfish 2.2.2 64-bit             3115  68.5-48.5  (+36-16=65)   99.7   +23
 - Rybka 4.1 64-bit                   3109  67.5-48.5  (+39-20=57)  100.0   +15
 - Komodo 3 64-bit                    3109  28.5-22.5  (+16-10=25)  100.0    +9
 - Rybka 4 64-bit                     3102   7.5-8.5   (+4 -5 =7 )  100.0   -59
 - Naum 4.2 64-bit 4CPU               3099   9.0-11.0  (+4 -6 =10)  100.0   -71
 - Stockfish 2.1.1 64-bit             3092  27.5-20.5  (+18-11=19)  100.0     0
 - Chiron 1.5 64-bit                  2989  25.0-7.0   (+18-0 =14)  100.0   +25
 - Naum 4.2 64-bit                    2987  36.5-12.5  (+25-1 =23)  100.0    -1
 - Hiarcs 14                          2986  22.0-10.0  (+18-6 =8 )  100.0   -17
 - Fritz 13                           2986  46.5-12.5  (+35-1 =23)  100.0   +37
 - Chiron 1.1a 64-bit                 2966  27.0-5.0   (+22-0 =10)  100.0   +71
 - Deep Shredder 12 64-bit            2955  24.5-7.5   (+19-2 =11)  100.0    -8
 - Gull 1.2 64-bit                    2951  24.5-7.5   (+18-1 =13)  100.0   -17
 - Hannibal 1.2 64-bit                2949  25.5-6.5   (+21-2 =9 )  100.0   +22
 - Hiarcs 13.2                        2933  22.0-9.0   (+15-2 =14)  100.0   -78
 - Spark 1.0 64-bit                   2927  39.5-9.5   (+33-3 =13)  100.0    +9
 - Spike 1.4 Leiden                   2922  24.0-8.0   (+19-3 =10)  100.0   -45
 - Deep Junior 12.5 64-bit            2898  24.5-7.5   (+20-3 =9 )  100.0   -55
 - Deep Junior 13 64-bit              2896  25.5-5.5   (+21-1 =9 )  100.0   -14
 - Hannibal 1.1 64-bit                2895  24.0-7.0   (+17-0 =14)  100.0   -72
 - Protector 1.4.0 64-bit             2889  26.5-4.5   (+24-2 =5 )  100.0   +39
 - Thinker 5.4d Inert 64-bit          2885  37.5-4.5   (+33-0 =9 )  100.0   +59
 - Nemo 1.0.1 64-bit                  2857  27.5-4.5   (+23-0 =9 )  100.0   -17
 - Onno 1.2.70 64-bit                 2846  28.5-3.5   (+25-0 =7 )  100.0   +17
 - Zappa Mexico II 64-bit             2844  22.5-6.5   (+17-1 =11)  100.0  -110
 - Deep Sjeng WC2008 64-bit           2843  27.0-4.0   (+23-0 =8 )  100.0   -16
 - MinkoChess 1.2 64-bit              2842  29.0-3.0   (+26-0 =6 )  100.0   +43
 - Booot 5.1.0                        2839  28.0-4.0   (+25-1 =6 )  100.0    +5
 - Loop 13.6 (Loop 2007) 64-bit       2795  16.5-1.5   (+15-0 =3 )  100.0   +15
 - Crafty 23.4 64-bit                 2782  15.5-1.5   (+15-1 =1 )  100.0   +50
 - Bright 0.5c                        2772  15.5-2.5   (+13-0 =5 )  100.0  -100


Created in 2005-2013 by CCRL team
Last games added on August 24, 2019