CCRL 40/4
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 1'626'652 games
played by 1'934 programs
21844 CPU days (X2 4600+)

White wins: 635'703 (39.1%)
Black wins: 517'026 (31.8%)
Draws: 473'923 (29.1%)
White score: 53.6%

Engine Details

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Ethereal 8.37 64-bit in CCRL 40/4, 2018-01-13
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, 2005-2018, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Ethereal 8.37 64-bit has no rank with rating of 2828 Elo points (+19 -19),
based on 963 games: 327 wins, 312 losses and 324 draws
Score: 50.8%, Average opponent: −5.1, Draws: 33.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Toga II 4.0 64-bit                 2926   1.5-6.5   (+1 -6 =1 )    0.0  -163
 - Thinker 5.4d Inert 64-bit          2886  14.5-16.5  (+10-12=9 )    0.0   +38
 - Deuterium 14.3.34.130 64-bit       2885  11.5-20.5  (+6 -15=11)    0.0   -36
 - Murka 3 64-bit                     2883  15.5-16.5  (+9 -10=13)    0.0   +45
 - Fruit Reloaded 3.2.1 64-bit        2878  16.5-15.5  (+10-9 =13)    0.0   +60
 - Gaviota 1.0 64-bit                 2877  11.5-20.5  (+6 -15=11)    0.0   -47
 - Atlas 3.80 64-bit                  2876  11.0-20.0  (+6 -15=10)    0.0   -46
 - Tucano 7.00 64-bit                 2871  16.0-16.0  (+10-10=12)    0.0   +44
 - DisasterArea 1.65 64-bit           2870  14.5-17.5  (+9 -12=11)    0.0   +10
 - MinkoChess 1.3 64-bit              2869  18.0-14.0  (+15-11=6 )    0.0   +87
 - Scorpio 2.7.8 64-bit               2863  12.0-18.0  (+7 -13=10)    1.2   -31
 - Nemo 1.0.1 64-bit                  2857  12.0-20.0  (+5 -13=14)    0.2   -47
 - Defenchess SCTR 1.0 64-bit         2846  18.5-13.5  (+14-9 =9 )    8.3   +68
 - Onno 1.2.70 64-bit                 2845  12.5-19.5  (+7 -14=11)    5.9   -57
 - Zappa Mexico II 64-bit             2841  12.0-20.0  (+6 -14=12)    9.6   -68
 - Tornado 8.0 64-bit                 2835  14.0-18.0  (+10-14=8 )   29.5   -37
 - chess22k 1.6 64-bit                2832  26.5-37.5  (+12-23=29)   38.7   -48
 - The Baron 3.41 64-bit              2824  13.5-16.5  (+8 -11=11)   62.1   -33
 - Rhetoric 1.4.3 64-bit              2802  20.0-12.0  (+16-8 =8 )   99.2   +63
 - Octochess r5190 64-bit             2778  21.5-10.5  (+16-5 =11)  100.0   +62
 - Bright 0.5c                        2777  19.5-12.5  (+16-9 =7 )  100.0   +29
 - Gogobello 1.4 64-bit               2776  22.0-10.0  (+17-5 =10)  100.0   +75
 - Twisted Logic 20090922 64-bit      2772  16.5-15.5  (+9 -8 =15)  100.0   -45
 - Pawny 1.2 64-bit                   2769  20.0-12.0  (+12-4 =16)  100.0   +15
 - Frenzee 3.5.19 64-bit              2768  19.5-12.5  (+15-8 =9 )  100.0   +17
 - Jonny 4.00                         2762  19.5-12.5  (+15-8 =9 )  100.0    +9
 - RuyDos 1.0.27 64-bit               2760   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - BugChess2 1.9 64-bit               2760  19.0-13.0  (+13-7 =12)  100.0    -8
 - Tucano 6.00 64-bit                 2751  22.5-9.5   (+18-5 =9 )  100.0   +65
 - Godel 3.4.9 64-bit                 2745  18.0-14.0  (+12-8 =12)  100.0   -43
 - Chronos 1.9.9 64-bit               2738  18.5-13.5  (+16-11=5 )  100.0   -29


Created in 2005-2013 by CCRL team
Last games added on January 13, 2018