CCRL 40/4
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 2'127'795 games
played by 2'486 programs
28766 CPU days (X2 4600+)

White wins: 825'412 (38.8%)
Black wins: 667'151 (31.4%)
Draws: 635'232 (29.9%)
White score: 53.7%

Engine Details

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Ethereal 8.81 64-bit 4CPU in CCRL 40/4, 2019-11-08
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Ethereal 8.81 64-bit 4CPU has no rank with rating of 3030 Elo points (+22 -22),
based on 682 games: 163 wins, 241 losses and 278 draws
Score: 44.3%, Average opponent: +36.5, Draws: 40.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Gull 3 64-bit 4CPU                 3261   6.0-24.0  (+2 -20=8 )    0.0   +11
 - Senpai 2.0 64-bit 4CPU             3176  10.5-19.5  (+7 -16=7 )    0.0   +36
 - Laser 1.5 64-bit 4CPU              3171   8.5-21.5  (+2 -15=13)    0.0    +9
 - Sting SF 9 64-bit 4CPU             3155   9.0-21.0  (+3 -15=12)    0.0    -5
 - Deep Fritz 14 64-bit 4CPU          3144  11.0-39.0  (+3 -31=16)    0.0   -78
 - Strelka 5.5 64-bit                 3141   9.5-20.5  (+3 -14=13)    0.0    -2
 - Protector 1.9.0 64-bit 4CPU        3129   8.5-21.5  (+3 -16=11)    0.0   -45
 - Defenchess 1.1f 64-bit 4CPU        3120   9.0-21.0  (+2 -14=14)    0.0   -36
 - Nemorino 4.00 64-bit 4CPU          3113  14.5-15.5  (+6 -7 =17)    0.0   +74
 - Ethereal 9.00 64-bit 4CPU          3089  14.5-17.5  (+4 -7 =21)    0.0   +33
 - Vajolet2 2.4 64-bit 4CPU           3082  12.0-18.0  (+4 -10=16)    0.0    -7
 - Wasp 2.6 64-bit 4CPU               3075  11.0-19.0  (+4 -12=14)    0.1   -36
 - Crafty 25.2 64-bit 4CPU            3055  16.5-13.5  (+12-9 =9 )    3.2   +56
 - Bobcat 8.0 64-bit 4CPU             3052  13.5-16.5  (+5 -8 =17)    4.7    -5
 - Alfil 15.8 64-bit 4CPU             3023  15.0-15.0  (+8 -8 =14)   68.1    -5
 - EXchess 7.97b 64-bit 4CPU          3013  18.0-12.0  (+13-7 =10)   89.2   +49
 - Rodent III 0.210 64-bit 4CPU       3007  15.0-15.0  (+9 -9 =12)   88.9   -21
 - Demolito 2017-08-26 64-bit 4CPU    3003  19.0-11.0  (+12-4 =14)   95.7   +54
 - Toga II 4.0 64-bit 4CPU            2963  17.5-12.5  (+14-9 =7 )  100.0    -6
 - Fruit Reloaded 3.2.1 64-bit 4CPU   2928  21.5-8.5   (+15-2 =13)  100.0   +32
 - Tornado 8.0 64-bit 4CPU            2867  18.0-12.0  (+12-6 =12)  100.0   -98
 - BugChess2 1.9 64-bit 4CPU          2843  24.0-6.0   (+20-2 =8 )  100.0   +31


Created in 2005-2013 by CCRL team
Last games added on November 8, 2019