CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Engine Details

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Ethereal 8.37 64-bit in CCRL 40/4, 2019-09-14
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 Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Ethereal 8.37 64-bit has no rank with rating of 2826 Elo points (+19 -19),
based on 963 games: 327 wins, 312 losses and 324 draws
Score: 50.8%, Average opponent: −5.8, Draws: 33.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Toga II 4.0 64-bit                 2915   1.5-6.5   (+1 -6 =1 )    0.0  -172
 - Thinker 5.4d Inert 64-bit          2885  14.5-16.5  (+10-12=9 )    0.0   +39
 - Deuterium 14.3.34.130 64-bit       2883  11.5-20.5  (+6 -15=11)    0.0   -36
 - Murka 3 64-bit                     2882  15.5-16.5  (+9 -10=13)    0.0   +46
 - Atlas 3.80 64-bit                  2875  11.0-20.0  (+6 -15=10)    0.0   -45
 - Gaviota 1.0 64-bit                 2872  11.5-20.5  (+6 -15=11)    0.0   -50
 - Tucano 7.00 64-bit                 2872  16.0-16.0  (+10-10=12)    0.0   +47
 - Fruit Reloaded 3.2.1 64-bit        2872  16.5-15.5  (+10-9 =13)    0.0   +56
 - MinkoChess 1.3 64-bit              2870  18.0-14.0  (+15-11=6 )    0.0   +90
 - DisasterArea 1.65 64-bit           2865  14.5-17.5  (+9 -12=11)    0.0    +7
 - Nemo 1.0.1 64-bit                  2857  12.0-20.0  (+5 -13=14)    0.1   -45
 - Scorpio 2.7.8 64-bit               2848  12.0-18.0  (+7 -13=10)    8.2   -44
 - Onno 1.2.70 64-bit                 2846  12.5-19.5  (+7 -14=11)    2.6   -54
 - Zappa Mexico II 64-bit             2844  12.0-20.0  (+6 -14=12)    3.4   -63
 - Defenchess 1.0 64-bit              2844  18.5-13.5  (+14-9 =9 )    7.1   +68
 - chess22k 1.6 64-bit                2830  26.5-37.5  (+12-23=29)   35.1   -48
 - Tornado 8.0 64-bit                 2827  14.0-18.0  (+10-14=8 )   46.3   -43
 - The Baron 3.41 64-bit              2820  13.5-16.5  (+8 -11=11)   67.8   -35
 - Rhetoric 1.4.3 64-bit              2805  20.0-12.0  (+16-8 =8 )   97.9   +68
 - Octochess r5190 64-bit             2778  21.5-10.5  (+16-5 =11)  100.0   +64
 - Bright 0.5c                        2772  19.5-12.5  (+16-9 =7 )  100.0   +26
 - Twisted Logic 20090922 64-bit      2770  16.5-15.5  (+9 -8 =15)  100.0   -45
 - Frenzee 3.5.19 64-bit              2768  19.5-12.5  (+15-8 =9 )  100.0   +19
 - Pawny 1.2 64-bit                   2767  20.0-12.0  (+12-4 =16)  100.0   +15
 - Jonny 4.00                         2762  19.5-12.5  (+15-8 =9 )  100.0   +11
 - BugChess2 1.9 64-bit               2759  19.0-13.0  (+13-7 =12)  100.0    -7
 - RuyDos 1.0.27 64-bit               2758   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Gogobello 1.4 64-bit               2755  22.0-10.0  (+17-5 =10)  100.0   +56
 - Tucano 6.00 64-bit                 2750  22.5-9.5   (+18-5 =9 )  100.0   +66
 - Godel 3.4.9 64-bit                 2741  18.0-14.0  (+12-8 =12)  100.0   -44
 - Chronos 1.9.9 64-bit               2740  18.5-13.5  (+16-11=5 )  100.0   -25


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