CCRL 40/15
Downloads and Statistics
January 24, 2021
Testing summary:
Total: 1'209'412 games
played by 2'772 programs

White wins: 415'904 (34.4%)
Black wins: 306'459 (25.3%)
Draws: 487'049 (40.3%)
White score: 54.5%

Engine Details

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Critter 1.4 64-bit 4CPU in CCRL 40/15, 2021-01-24
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
Critter 1.4 64-bit 4CPU has no rank with rating of 3148 Elo points (+18 -18),
based on 907 games: 298 wins, 117 losses and 492 draws
Score: 60.0%, Average opponent: −60.8, Draws: 54.2%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Schooner 2.2 64-bit 4CPU                3266   5.5-10.5  (+1 -6 =9 )    0.0   +34
 - Arasan 21.4 64-bit 4CPU                 3218   7.5-6.5   (+4 -3 =7 )    0.0   +89
 - Houdini 2.0c 64-bit 4CPU                3194  26.5-33.5  (+9 -16=35)    0.0   +14
 - SlowChess Blitz Classic 1.9 64-bit 4CPU 3181   7.5-8.5   (+1 -2 =13)    2.5   +18
 - Xiphos 0.3 64-bit 4CPU                  3178  13.0-7.0   (+9 -3 =8 )    2.0  +127
 - Arasan 21.1 64-bit 4CPU                 3167   7.0-9.0   (+3 -5 =8 )   13.6   -17
 - Stockfish 2.2.2 64-bit 4CPU             3146  25.5-32.5  (+10-17=31)   57.0   -36
 - Rybka 4.1 64-bit 4CPU                   3144  56.5-51.5  (+25-20=63)   67.3    +7
 - Laser 1.5 64-bit 4CPU                   3142   7.5-8.5   (+3 -4 =9 )   67.2   -22
 - Igel 2.3.1 64-bit 4CPU                  3133  12.0-6.0   (+7 -1 =10)   82.5   +78
 - Vitruvius 1.11C 64-bit 4CPU             3118  17.5-14.5  (+6 -3 =23)   99.6    -6
 - IvanHoe 9.46h 64-bit 4CPU               3113  27.0-27.0  (+7 -7 =40)   99.9   -34
 - Strelka 5.5 64-bit                      3103  18.5-11.5  (+8 -1 =21)  100.0   +16
 - Komodo 4 64-bit                         3097  18.0-14.0  (+9 -5 =18)  100.0   -15
 - Naum 4.2 64-bit 4CPU                    3060  67.5-36.5  (+38-7 =59)  100.0    -3
 - Chiron 1.1a 64-bit 4CPU                 3039  20.0-12.0  (+11-3 =18)  100.0   -38
 - Deep Junior 13 64-bit 4CPU              3026  26.0-6.0   (+20-0 =12)  100.0   +87
 - Deep Shredder 12 64-bit 4CPU            3017  36.0-15.0  (+24-3 =24)  100.0    -3
 - Spike 1.4 Leiden 4CPU                   3016  37.0-16.0  (+26-5 =22)  100.0    -6
 - Protector 1.4.0 64-bit 4CPU             2982  25.5-6.5   (+20-1 =11)  100.0   +35
 - Hiarcs 13.2 4CPU                        2981  24.0-8.0   (+17-1 =14)  100.0    -9
 - Spark 1.0 64-bit 4CPU                   2968  23.5-8.5   (+18-3 =11)  100.0   -22
 - Zappa Mexico II 64-bit 4CPU             2968  35.0-14.0  (+22-1 =26)  100.0   -56


Created in 2005-2013 by CCRL team
Last games added on January 24, 2021