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 1.2 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 1.2 64-bit 4CPU has no rank with rating of 3143 Elo points (+20 -20),
based on 762 games: 247 wins, 112 losses and 403 draws
Score: 58.9%, Average opponent: −54.8, Draws: 52.9%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Houdini 2.0c 64-bit 4CPU                3192  18.5-32.5  (+8 -22=21)    0.0   -35
 - Houdini 1.5a 64-bit 4CPU                3179  17.0-15.0  (+9 -7 =16)    0.3   +54
 - Stockfish 2.2.2 64-bit 4CPU             3145  16.0-16.0  (+5 -5 =22)   45.0    +2
 - Rybka 4 64-bit 4CPU                     3145  67.5-67.5  (+28-28=79)   43.4    +2
 - Rybka 4.1 64-bit 4CPU                   3142  14.0-18.0  (+3 -7 =22)   53.3   -34
 - Stockfish 2.0.1 64-bit 4CPU             3124  17.5-14.5  (+6 -3 =23)   88.7    +4
 - Stockfish 2.1.1 64-bit 4CPU             3111  16.0-15.0  (+6 -5 =20)   97.5   -23
 - Komodo 5 64-bit                         3106  26.0-14.0  (+15-3 =22)   99.9   +50
 - Komodo 4 64-bit                         3096  53.5-38.5  (+26-11=55)  100.0    -1
 - Naum 4.2 64-bit 4CPU                    3059  19.5-11.5  (+13-5 =13)  100.0     0
 - Komodo 2.03 64-bit                      3043  21.5-10.5  (+14-3 =15)  100.0    +5
 - Deep Junior 13 64-bit 4CPU              3025  20.5-9.5   (+14-3 =13)  100.0    -4
 - Deep Shredder 12 64-bit 4CPU            3016  23.0-9.0   (+16-2 =14)  100.0   +10
 - Spike 1.4 Leiden 4CPU                   3014  22.5-9.5   (+14-1 =17)  100.0   -10
 - Deep Junior 12.5 64-bit 4CPU            3010  21.5-10.5  (+15-4 =13)  100.0   -22
 - Hiarcs 13.2 4CPU                        2980  26.0-6.0   (+21-1 =10)  100.0   +55
 - Zappa Mexico II 64-bit 4CPU             2967  26.0-6.0   (+20-0 =12)  100.0   +32
 - Spark 1.0 64-bit 4CPU                   2967  22.0-10.0  (+14-2 =16)  100.0   -63


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