CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

Engine Details

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Critter 1.01 64-bit 4CPU in CCRL 40/4, 2019-12-07
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Critter 1.01 64-bit 4CPU has no rank with rating of 3157 Elo points (+16 -16),
based on 1338 games: 606 wins, 222 losses and 510 draws
Score: 64.3%, Average opponent: −100.6, Draws: 38.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - RubiChess 1.6 64-bit 4CPU          3280   9.5-20.5  (+3 -14=13)    0.0    +4
 - Houdini 1.5a 64-bit 4CPU           3265  15.0-35.0  (+5 -25=20)    0.0   -21
 - Vajolet2 2.8 64-bit 4CPU           3235  13.0-17.0  (+8 -12=10)    0.0   +31
 - Rybka 4.1 64-bit 4CPU              3207  24.5-25.5  (+10-11=29)    0.0   +44
 - Stockfish 2.1.1 64-bit 4CPU        3195  21.5-28.5  (+8 -15=27)    0.0    -5
 - RubiChess 1.5 64-bit 4CPU          3193  15.0-15.0  (+7 -7 =16)    1.1   +36
 - Houdini 1.5a 64-bit                3170  24.5-25.5  (+14-15=21)   10.2    +8
 - Stockfish 2.0.1 64-bit 4CPU        3167  20.5-29.5  (+8 -17=25)   18.8   -44
 - Critter 0.90 64-bit 4CPU           3128  26.5-22.5  (+10-6 =33)   99.7    -8
 - Naum 4.2 64-bit 4CPU               3099  28.0-22.0  (+13-7 =30)  100.0   -24
 - Komodo 2.03 64-bit                 3071  28.0-22.0  (+19-13=18)  100.0   -48
 - Komodo 2.01 64-bit                 3071  30.5-19.5  (+19-8 =23)  100.0   -18
 - Deep Shredder 12 64-bit 4CPU       3041  35.0-15.0  (+29-9 =12)  100.0   +31
 - Spike 1.4 Leiden 4CPU              3039  33.0-17.0  (+23-7 =20)  100.0   -16
 - Hiarcs 13.2 4CPU                   3033  37.0-13.0  (+28-4 =18)  100.0   +36
 - Spark 1.0 64-bit 4CPU              3028  37.5-12.5  (+27-2 =21)  100.0   +31
 - Deep Junior 12.5 64-bit 4CPU       3014  30.5-19.5  (+22-11=17)  100.0   -69
 - Hiarcs 13.1 4CPU                   3009  39.5-9.5   (+33-3 =13)  100.0   +76
 - Komodo 1.3 64-bit                  2993  35.5-14.5  (+24-3 =23)  100.0   -33
 - Deep Junior 12 64-bit 4CPU         2990  34.0-16.0  (+25-7 =18)  100.0   -46
 - Protector 1.4.0 64-bit 4CPU        2972  39.0-11.0  (+35-7 =8 )  100.0   +34
 - Zappa Mexico II 64-bit 4CPU        2971  34.5-15.5  (+25-6 =19)  100.0   -63
 - Onno 1.2.70 64-bit 4CPU            2955  41.0-9.0   (+34-2 =14)  100.0   +30
 - Thinker 5.4c Inert 64-bit 4CPU     2952  39.5-10.5  (+31-2 =17)  100.0    -6
 - Gull 1.1 64-bit                    2943  41.5-8.5   (+34-1 =15)  100.0   +21
 - Deep Sjeng WC2008 64-bit 4CPU      2940  43.0-7.0   (+38-2 =10)  100.0   +70
 - Deep Sjeng 3.0 64-bit 4CPU         2930  41.5-8.5   (+35-2 =13)  100.0   +19
 - Toga II 1.4 beta5c 4CPU            2904  42.5-7.5   (+39-4 =7 )  100.0   +43


Created in 2005-2013 by CCRL team
Last games added on December 7, 2019