CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Critter 1.4 64-bit 4CPU in CCRL 40/15, 2021-05-08
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 3147 Elo points (+17 -17),
based on 989 games: 304 wins, 143 losses and 542 draws
Score: 58.1%, Average opponent: −50.7, Draws: 54.8%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Schooner 2.2 64-bit 4CPU                3262   5.5-10.5  (+1 -6 =9 )    0.0   +31
 - Wasp 4.50 64-bit 4CPU                   3232  10.5-21.5  (+3 -14=15)    0.0   -18
 - Arasan 22.2 64-bit 4CPU                 3230   7.0-9.0   (+2 -4 =10)    0.0   +53
 - Arasan 21.4 64-bit 4CPU                 3214   7.5-6.5   (+4 -3 =7 )    0.0   +86
 - NirvanaChess 2.5 64-bit 4CPU            3213   3.5-6.5   (+0 -3 =7 )    0.2   -16
 - Houdini 2.0c 64-bit 4CPU                3192  26.5-33.5  (+9 -16=35)    0.0   +13
 - Vajolet2 2.8 64-bit 4CPU                3182  10.0-14.0  (+1 -5 =18)    1.7    -7
 - SlowChess Blitz Classic 1.9 64-bit 4CPU 3179   7.5-8.5   (+1 -2 =13)    2.6   +17
 - Xiphos 0.3 64-bit 4CPU                  3176  13.0-7.0   (+9 -3 =8 )    2.0  +126
 - Arasan 21.1 64-bit 4CPU                 3164   7.0-9.0   (+3 -5 =8 )   14.0   -19
 - Stockfish 2.2.2 64-bit 4CPU             3145  25.5-32.5  (+10-17=31)   56.7   -36
 - Rybka 4.1 64-bit 4CPU                   3142  56.5-51.5  (+25-20=63)   67.7    +6
 - Laser 1.5 64-bit 4CPU                   3140   7.5-8.5   (+3 -4 =9 )   68.2   -23
 - Igel 2.3.1 64-bit 4CPU                  3131  12.0-6.0   (+7 -1 =10)   83.5   +77
 - Vitruvius 1.11C 64-bit 4CPU             3116  17.5-14.5  (+6 -3 =23)   99.7    -7
 - IvanHoe 9.46h 64-bit 4CPU               3111  27.0-27.0  (+7 -7 =40)   99.9   -35
 - Strelka 5.5 64-bit                      3101  18.5-11.5  (+8 -1 =21)  100.0   +15
 - Komodo 4 64-bit                         3096  18.0-14.0  (+9 -5 =18)  100.0   -15
 - Naum 4.2 64-bit 4CPU                    3059  67.5-36.5  (+38-7 =59)  100.0    -3
 - Chiron 1.1a 64-bit 4CPU                 3038  20.0-12.0  (+11-3 =18)  100.0   -38
 - Deep Junior 13 64-bit 4CPU              3025  26.0-6.0   (+20-0 =12)  100.0   +87
 - Deep Shredder 12 64-bit 4CPU            3016  36.0-15.0  (+24-3 =24)  100.0    -3
 - Spike 1.4 Leiden 4CPU                   3014  37.0-16.0  (+26-5 =22)  100.0    -7
 - Protector 1.4.0 64-bit 4CPU             2981  25.5-6.5   (+20-1 =11)  100.0   +35
 - Hiarcs 13.2 4CPU                        2980  24.0-8.0   (+17-1 =14)  100.0    -9
 - Spark 1.0 64-bit 4CPU                   2967  23.5-8.5   (+18-3 =11)  100.0   -22
 - Zappa Mexico II 64-bit 4CPU             2967  35.0-14.0  (+22-1 =26)  100.0   -56


Created in 2005-2013 by CCRL team
Last games added on May 8, 2021