CCRL 40/4
Downloads and Statistics
November 14, 2019
Testing summary:
Total: 2'129'428 games
played by 2'486 programs
28790 CPU days (X2 4600+)

White wins: 825'928 (38.8%)
Black wins: 667'489 (31.3%)
Draws: 636'011 (29.9%)
White score: 53.7%

Engine Details

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Ethereal 9.00 64-bit in CCRL 40/4, 2019-11-14
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:
Ethereal 9.00 64-bit has no rank with rating of 2984 Elo points (+18 -18),
based on 1043 games: 392 wins, 245 losses and 406 draws
Score: 57.0%, Average opponent: −45.3, Draws: 38.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4.1 64-bit                   3109   7.5-13.5  (+4 -10=7 )    0.0   +29
 - Protector 1.9.0 64-bit             3085   7.0-14.0  (+3 -10=8 )    0.0    -9
 - iCE 3.0 64-bit                     3081  13.0-37.0  (+4 -28=18)    0.0   -61
 - Nemorino 4.00 64-bit               3067  12.0-18.0  (+6 -12=12)    0.0   +17
 - Xiphos 0.1 64-bit                  3034  12.5-19.5  (+7 -14=11)    0.0   -20
 - Hakkapeliitta TCEC v2 64-bit       3021  19.0-24.0  (+13-18=12)    0.0    -4
 - ChessBrainVB 3.66                  2978  21.5-18.5  (+13-10=17)   69.8   +16
 - chess22k 1.8 64-bit                2959   8.0-8.0   (+6 -6 =4 )   97.8   -22
 - Bobcat 8.0 64-bit                  2958  14.0-16.0  (+7 -9 =14)   99.5   -47
 - Demolito 2018-03-01 64-bit         2958  20.5-11.5  (+14-5 =13)   99.0   +63
 - Cheng 4.39 64-bit                  2946  14.0-16.0  (+9 -11=10)  100.0   -60
 - Amoeba 2.7 64-bit                  2939   7.5-5.5   (+3 -1 =9 )  100.0    -4
 - Crafty 25.2 64-bit                 2933  17.5-12.5  (+13-8 =9 )  100.0    +5
 - Spark 1.0 64-bit                   2927  38.5-23.5  (+25-10=27)  100.0   +18
 - Deep Sjeng c't 2010                2926  10.0-4.0   (+8 -2 =4 )  100.0   +93
 - Atlas 3.91 64-bit                  2925   5.0-8.0   (+4 -7 =2 )  100.0  -151
 - Spike 1.4 Leiden                   2922  19.0-13.0  (+11-5 =16)  100.0    -2
 - EXchess 7.97b 64-bit               2914  19.0-11.0  (+12-4 =14)  100.0   +10
 - Demolito 2017-08-26 64-bit         2911  43.0-19.0  (+32-8 =22)  100.0   +56
 - Rodent III 0.172 64-bit            2909  19.5-12.5  (+12-5 =15)  100.0    -9
 - Scorpio 2.8 64-bit                 2902  29.0-21.0  (+20-12=18)  100.0   -31
 - Quazar 0.4 64-bit                  2901  28.0-17.0  (+19-8 =18)  100.0    -5
 - Zurichess Neuchatel 64-bit         2901  24.5-7.5   (+19-2 =11)  100.0   +99
 - Deep Junior Yokohama 64-bit        2899  16.0-16.0  (+7 -7 =18)  100.0   -82
 - chess22k 1.7 64-bit                2898  20.0-12.0  (+12-4 =16)  100.0   -11
 - Deuterium 14.3.34.130 64-bit       2883  22.0-10.0  (+18-6 =8 )  100.0   +33
 - Murka 3 64-bit                     2882  17.0-15.0  (+8 -6 =18)  100.0   -81
 - Gaviota 1.0 64-bit                 2873  42.0-20.0  (+31-9 =22)  100.0    +6
 - MinkoChess 1.3 64-bit              2870  20.5-10.5  (+15-5 =11)  100.0    -4
 - DisasterArea 1.65 64-bit           2866  24.5-7.5   (+19-2 =11)  100.0   +61
 - Zappa Mexico II 64-bit             2844  23.5-6.5   (+18-1 =11)  100.0   +49


Created in 2005-2013 by CCRL team
Last games added on November 14, 2019