CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Critter 0.60 64-bit in CCRL 40/4, 2019-07-20
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 0.60 64-bit has no rank with rating of 2866 Elo points (+16 -17),
based on 1249 games: 361 wins, 446 losses and 442 draws
Score: 46.6%, Average opponent: +24.2, Draws: 35.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4 64-bit                     3102   8.0-43.0  (+3 -38=10)    0.0   -34
 - Rybka 3 64-bit                     3078   9.0-38.0  (+4 -33=10)    0.0   -25
 - Stockfish 1.7.1 64-bit             3045   9.5-37.5  (+1 -29=17)    0.0   -23
 - Naum 4.2 64-bit                    2987  14.0-33.0  (+6 -25=16)    0.0   -15
 - Stockfish 1.6s JA 64-bit           2980  10.0-20.0  (+4 -14=12)    0.0    +9
 - Komodo 1.2 64-bit                  2966   9.5-20.5  (+4 -15=11)    0.0   -25
 - Deep Shredder 12 64-bit            2955  16.0-31.0  (+5 -20=22)    0.0    -8
 - Rybka 2.2 64-bit                   2937  11.0-19.0  (+4 -12=14)    0.0   -13
 - Komodo 1.0 64-bit                  2932  31.0-46.0  (+18-33=26)    0.0    +1
 - Spark 0.5 64-bit                   2920  13.5-20.5  (+8 -15=11)    0.0   -16
 - Hiarcs 13.1                        2914  19.5-32.5  (+10-23=19)    0.0   -35
 - Fritz 12                           2908  20.0-27.0  (+9 -16=22)    0.0    -3
 - Thinker 5.4c Inert 64-bit          2883  26.5-20.5  (+19-13=15)    3.2   +58
 - Spark 0.4 64-bit                   2882  33.0-44.0  (+19-30=28)    4.7   -30
 - Hannibal 05_24_10v2 64-bit         2858  21.0-14.0  (+16-9 =10)   67.3   +60
 - Protector 1.3.4 64-bit             2852  25.5-20.5  (+14-9 =23)   87.1   +19
 - Zappa Mexico II 64-bit             2843  40.5-36.5  (+25-21=31)   99.4    -4
 - Deep Junior 11.1a 64-bit           2840  26.5-20.5  (+18-12=17)   99.2   +15
 - Deep Sjeng 3.0 64-bit              2838  25.5-21.5  (+19-15=13)   99.8    +2
 - Hiarcs 12                          2835  27.0-20.0  (+17-10=20)   99.9   +14
 - Hannibal 05_20_10 64-bit           2824   8.5-5.5   (+4 -1 =9 )   99.6   +12
 - Toga II 1.4 beta5c                 2820  19.0-11.0  (+15-7 =8 )  100.0   +50
 - Critter 0.52 64-bit                2794  20.0-10.0  (+15-5 =10)  100.0   +39
 - Fruit 05/11/03                     2792  19.5-10.5  (+15-6 =9 )  100.0   +26
 - Ktulu 9                            2781  30.0-16.0  (+21-7 =18)  100.0   +12
 - Twisted Logic 20090922 64-bit      2771  30.5-16.5  (+24-10=13)  100.0    +8
 - Twisted Logic 20100131x 64-bit     2766  20.5-9.5   (+18-7 =5 )  100.0   +38
 - SmarThink 1.20 64-bit              2747  18.5-11.5  (+11-4 =15)  100.0   -52
 - Spike 1.2 Turin                    2731  19.0-11.0  (+15-7 =8 )  100.0   -39


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019