CCRL 40/4
Downloads and Statistics
August 10, 2019
Testing summary:
Total: 2'081'140 games
played by 2'415 programs
27982 CPU days (X2 4600+)

White wins: 808'296 (38.8%)
Black wins: 653'685 (31.4%)
Draws: 619'159 (29.8%)
White score: 53.7%

Engine Details

Options
Show each game results
Critter 1.01 64-bit in CCRL 40/4, 2019-08-10
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 1.01 64-bit has no rank with rating of 3077 Elo points (+20 -19),
based on 1092 games: 629 wins, 121 losses and 342 draws
Score: 73.3%, Average opponent: −181.8, Draws: 31.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 1.5a 64-bit                3170   9.0-7.0   (+5 -3 =8 )    0.0  +127
 - Rybka 4.1 64-bit                   3108  19.5-29.5  (+7 -17=25)    0.1   -26
 - Stockfish 2.1.1 64-bit             3092  18.0-30.0  (+6 -18=24)   10.9   -57
 - Stockfish 2.0.1 64-bit             3089  13.0-17.0  (+8 -12=10)   18.8   -35
 - Komodo 2.01 64-bit                 3071  23.0-23.0  (+13-13=20)   68.2    -6
 - Komodo 2.03 64-bit                 3071  25.5-22.5  (+15-12=21)   69.9   +13
 - Komodo 1.3 64-bit                  2993  20.5-11.5  (+13-4 =15)  100.0    +4
 - Naum 4.2 64-bit                    2987  27.5-20.5  (+15-8 =25)  100.0   -47
 - Deep Shredder 12 64-bit            2955  22.0-10.0  (+14-2 =16)  100.0    -7
 - Gull 1.2 64-bit                    2950  23.5-8.5   (+18-3 =11)  100.0   +30
 - Gull 1.0a 64-bit                   2938  12.0-4.0   (+8 -0 =8 )  100.0    +9
 - Hiarcs 13.2                        2932  22.0-5.0   (+18-1 =8 )  100.0   +80
 - Spark 1.0 64-bit                   2927  30.5-15.5  (+19-4 =23)  100.0   -50
 - Spike 1.4 Leiden                   2921  11.0-6.0   (+7 -2 =8 )  100.0   -68
 - Hannibal 1.1 64-bit                2895  24.0-8.0   (+19-3 =10)  100.0    -9
 - Thinker 5.4d Inert 64-bit          2885  26.0-6.0   (+21-1 =10)  100.0   +27
 - Hannibal 1.0a 64-bit               2861  27.5-4.5   (+25-2 =5 )  100.0   +83
 - Onno 1.2.70 64-bit                 2845  23.5-7.5   (+19-3 =9 )  100.0   -49
 - Zappa Mexico II 64-bit             2843  26.0-4.0   (+24-2 =4 )  100.0   +83
 - Deep Junior 11.2 64-bit            2843  26.5-5.5   (+22-1 =9 )  100.0    +5
 - Deep Sjeng WC2008 64-bit           2842  27.0-5.0   (+23-1 =8 )  100.0   +25
 - Booot 5.1.0                        2838  27.0-5.0   (+24-2 =6 )  100.0   +36
 - Loop 13.6 (Loop 2007) 64-bit       2795  26.0-6.0   (+21-1 =10)  100.0   -60
 - Fruit 05/11/03                     2792  27.5-4.5   (+23-0 =9 )  100.0   -19
 - Crafty 23.4 64-bit                 2781  30.0-2.0   (+28-0 =4 )  100.0  +115
 - Bright 0.4a                        2779  25.5-6.5   (+21-2 =9 )  100.0   -84
 - Jonny 4.00                         2762  26.5-5.5   (+23-2 =7 )  100.0   -60
 - Scorpio 2.6 64-bit                 2755  28.5-3.5   (+26-1 =5 )  100.0   +11
 - SmarThink 1.20 64-bit              2747  30.0-2.0   (+29-1 =2 )  100.0  +126
 - Chronos 1.9.9 64-bit               2739  31.0-1.0   (+30-0 =2 )  100.0  +190
 - Chess Tiger 2007.1                 2713  30.0-2.0   (+28-0 =4 )  100.0   +48
 - BugChess2 1.7 64-bit               2707  30.0-2.0   (+28-0 =4 )  100.0   +41
 - Alaric 707                         2663  30.5-1.5   (+29-0 =3 )  100.0   +46


Created in 2005-2013 by CCRL team
Last games added on August 10, 2019