CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Engine Details

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Ethereal 10.55 64-bit in CCRL 40/40, 2019-08-17
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Ethereal 10.55 64-bit has no rank with rating of 3191 Elo points (+18 -18),
based on 951 games: 198 wins, 213 losses and 540 draws
Score: 49.2%, Average opponent: +4.2, Draws: 56.8%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Stockfish 9 64-bit                3366  12.0-39.0  (+0 -27=24)    0.0    +9
 - Houdini 6 64-bit                  3334  11.5-39.5  (+0 -28=23)    0.0   -29
 - SugaR XPrO 1.5.3 64-bit           3325  13.0-37.0  (+1 -25=24)    0.0   -13
 - Komodo 12 64-bit                  3316  15.0-36.0  (+1 -22=28)    0.0    +4
 - ShashChess Pro 1.0 64-bit         3314  16.5-33.5  (+3 -20=27)    0.0   +24
 - Fire 7.1 64-bit                   3257  20.5-30.5  (+1 -11=39)    0.0   +14
 - Booot 6.3.1 64-bit                3203  31.5-31.5  (+12-12=39)   10.6   +11
 - Shredder 13 64-bit                3201  22.5-27.5  (+6 -11=33)   13.3   -18
 - Fizbo 2 64-bit                    3198  24.0-28.0  (+7 -11=34)   22.4   -12
 - Booot 6.3 64-bit                  3193  25.5-24.5  (+10-9 =31)   41.3    +6
 - Andscacs 0.94 64-bit              3170  33.5-30.5  (+13-10=41)   97.0    -8
 - Laser 1.6 64-bit                  3129  30.5-21.5  (+12-3 =37)  100.0   -15
 - Gull 3 64-bit                     3120  28.0-22.0  (+12-6 =32)  100.0   -40
 - Roc 0.7 64-bit                    3115  31.5-18.5  (+18-5 =27)  100.0     0
 - Chiron 4 64-bit                   3114  33.5-16.5  (+20-3 =27)  100.0   +22
 - Strelka 5.5 64-bit                3103  30.0-20.0  (+17-7 =26)  100.0   -30
 - Critter 1.6a 64-bit               3101  36.0-14.0  (+25-3 =22)  100.0   +46
 - NirvanaChess 2.4 64-bit           3101   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Roc 0.8 64-bit                    3100   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Hannibal 1.7 64-bit               3080   0.5-0.5   (+0 -0 =1 )  100.0   -80
 - Vajolet2 2.6 64-bit               3060   0.5-0.5   (+0 -0 =1 )  100.0  -100
 - Pedone 1.8 64-bit                 3059  15.5-4.5   (+11-0 =9 )  100.0   +42
 - Rodent III 0.275 64-bit           2986  32.5-7.5   (+25-0 =15)  100.0    +7
 - Bobcat 8.0 64-bit                 2923   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Tucano 7.05 64-bit                2823   1.0-0.0   (+1 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on August 17, 2019