CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Engine Details

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Ethereal 10.55 64-bit 4CPU in CCRL 40/40, 2019-12-07
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Ethereal 10.55 64-bit 4CPU has no rank with rating of 3275 Elo points (+25 -24),
based on 488 games: 103 wins, 105 losses and 280 draws
Score: 49.8%, Average opponent: −1.7, Draws: 57.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - SugaR XPrO 1.5.3 64-bit 4CPU       3434   7.0-25.0  (+1 -19=12)    0.0   -30
 - Stockfish 9 64-bit 4CPU            3432   7.5-24.5  (+0 -17=15)    0.0   -10
 - Houdini 6 64-bit 4CPU              3399  12.0-20.0  (+2 -10=20)    0.0   +52
 - Komodo 12 64-bit 4CPU              3395  10.5-21.5  (+0 -11=21)    0.0   +27
 - ShashChess Pro 1.0 64-bit 4CPU     3393   8.5-23.5  (+1 -16=15)    0.0   -29
 - Fire 7.1 64-bit 4CPU               3322  14.0-18.0  (+1 -5 =26)    0.0   +15
 - Deep Shredder 13 64-bit 4CPU       3279  17.0-15.0  (+4 -2 =26)   39.5   +18
 - Fizbo 2 64-bit 4CPU                3277  15.5-16.5  (+6 -7 =19)   45.5    -3
 - Andscacs 0.94 64-bit 4CPU          3264  17.0-15.0  (+8 -6 =18)   77.7    +6
 - Booot 6.3.1 64-bit 4CPU            3264  18.0-14.0  (+8 -4 =20)   78.7   +22
 - Laser 1.6 64-bit 4CPU              3217  18.0-14.0  (+8 -4 =20)  100.0   -21
 - Chiron 4 64-bit 4CPU               3192  20.0-12.0  (+10-2 =20)  100.0   -13
 - Xiphos 0.3 64-bit 4CPU             3179  20.5-11.5  (+9 -0 =23)  100.0   -22
 - Strelka 5.5 64-bit                 3104  24.0-8.0   (+18-2 =12)  100.0    -4
 - chess22k 1.10 64-bit 4CPU          3014  33.5-6.5   (+27-0 =13)  100.0   -22


Created in 2005-2013 by CCRL team
Last games added on December 7, 2019