CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Ethereal 9.00 64-bit in CCRL 40/4, 2019-07-20
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 Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Ethereal 9.00 64-bit has no rank with rating of 2983 Elo points (+18 -18),
based on 1043 games: 392 wins, 245 losses and 406 draws
Score: 57.0%, Average opponent: −44.7, 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   +30
 - Protector 1.9.0 64-bit             3085   7.0-14.0  (+3 -10=8 )    0.0    -8
 - iCE 3.0 64-bit                     3081  13.0-37.0  (+4 -28=18)    0.0   -60
 - Nemorino 4.00 64-bit               3067  12.0-18.0  (+6 -12=12)    0.0   +18
 - Xiphos 0.1 64-bit                  3033  12.5-19.5  (+7 -14=11)    0.0   -20
 - Hakkapeliitta TCEC v2 64-bit       3023  19.0-24.0  (+13-18=12)    0.0    -1
 - ChessBrainVB 3.66                  2977  21.5-18.5  (+13-10=17)   69.1   +16
 - Bobcat 8.0 64-bit                  2960  14.0-16.0  (+7 -9 =14)   98.8   -44
 - chess22k 1.8 64-bit                2959   8.0-8.0   (+6 -6 =4 )   97.7   -21
 - Demolito 2018-03-01 64-bit         2957  20.5-11.5  (+14-5 =13)   98.9   +63
 - Cheng 4.39 64-bit                  2944  14.0-16.0  (+9 -11=10)  100.0   -61
 - Amoeba 2.7 64-bit                  2938   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    +6
 - Spark 1.0 64-bit                   2927  38.5-23.5  (+25-10=27)  100.0   +19
 - Atlas 3.91 64-bit                  2926   5.0-8.0   (+4 -7 =2 )  100.0  -149
 - Deep Sjeng c't 2010                2925  10.0-4.0   (+8 -2 =4 )  100.0   +93
 - Spike 1.4 Leiden                   2921  19.0-13.0  (+11-5 =16)  100.0    -2
 - EXchess 7.97b 64-bit               2913  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   +57
 - Rodent III 0.172 64-bit            2908  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   -30
 - Zurichess Neuchatel 64-bit         2900  24.5-7.5   (+19-2 =11)  100.0   +99
 - Quazar 0.4 64-bit                  2899  28.0-17.0  (+19-8 =18)  100.0    -6
 - Deep Junior Yokohama 64-bit        2898  16.0-16.0  (+7 -7 =18)  100.0   -82
 - chess22k 1.7 64-bit                2897  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   +34
 - Murka 3 64-bit                     2882  17.0-15.0  (+8 -6 =18)  100.0   -80
 - Gaviota 1.0 64-bit                 2872  42.0-20.0  (+31-9 =22)  100.0    +6
 - MinkoChess 1.3 64-bit              2869  20.5-10.5  (+15-5 =11)  100.0    -4
 - DisasterArea 1.65 64-bit           2864  24.5-7.5   (+19-2 =11)  100.0   +60
 - Zappa Mexico II 64-bit             2843  23.5-6.5   (+18-1 =11)  100.0   +49


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019