CCRL 40/4
Downloads and Statistics
August 24, 2019
Testing summary:
Total: 2'089'528 games
played by 2'430 programs
28120 CPU days (X2 4600+)

White wins: 811'498 (38.8%)
Black wins: 656'361 (31.4%)
Draws: 621'669 (29.8%)
White score: 53.7%

Engine Details

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Ethereal 11.00 64-bit 4CPU in CCRL 40/4, 2019-08-24
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 11.00 64-bit 4CPU has no rank with rating of 3384 Elo points (+17 -17),
based on 1012 games: 246 wins, 202 losses and 564 draws
Score: 52.2%, Average opponent: −15.4, Draws: 55.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 10 64-bit 4CPU           3547  14.5-39.5  (+1 -26=27)    0.0   +19
 - Stockfish 9 64-bit 4CPU            3547  11.0-24.0  (+0 -13=22)    0.0   +56
 - Komodo 12.2.2 64-bit 4CPU          3491  29.0-55.0  (+5 -31=48)    0.0   +17
 - Komodo 12 64-bit 4CPU              3489  14.0-36.0  (+0 -22=28)    0.0   -23
 - Komodo 12.3 64-bit 4CPU            3488  22.0-60.0  (+2 -40=40)    0.0   -36
 - Fire 7.1 64-bit 4CPU               3426  43.5-48.5  (+11-16=65)    0.0   +28
 - Komodo 12.3 MCTS 64-bit 4CPU       3411  22.0-26.0  (+9 -13=26)    0.8    +5
 - Fizbo 2 64-bit 4CPU                3345  27.0-23.0  (+10-6 =34)  100.0   -17
 - Booot 6.3.1 64-bit 4CPU            3326  55.5-43.5  (+25-13=61)  100.0   -24
 - Andscacs 0.94 64-bit 4CPU          3325  61.5-38.5  (+30-7 =63)  100.0    +3
 - Xiphos 0.4 64-bit 4CPU             3324  27.5-18.5  (+14-5 =27)  100.0    -5
 - Schooner 2.0.34 64-bit 4CPU        3276  31.0-13.0  (+20-2 =22)  100.0   +14
 - Equinox 3.30 64-bit 4CPU           3254  24.0-12.0  (+13-1 =22)  100.0   -35
 - Chiron 4 64-bit 4CPU               3242  34.5-15.5  (+22-3 =25)  100.0   -27
 - Critter 1.6a 64-bit 4CPU           3233  27.0-9.0   (+19-1 =16)  100.0    +7
 - Hannibal 1.7 64-bit 4CPU           3230  27.0-8.0   (+20-1 =14)  100.0   +19
 - NirvanaChess 2.4 64-bit 4CPU       3225  25.0-10.0  (+17-2 =16)  100.0   -28
 - Strelka 5.5 64-bit                 3141  32.0-4.0   (+28-0 =8 )  100.0   +65


Created in 2005-2013 by CCRL team
Last games added on August 24, 2019