CCRL 40/4
Downloads and Statistics
July 6, 2019
Testing summary:
Total: 2'062'148 games
played by 2'380 programs
27711 CPU days (X2 4600+)

White wins: 801'254 (38.9%)
Black wins: 648'494 (31.4%)
Draws: 612'400 (29.7%)
White score: 53.7%

Engine Details

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Ethereal 8.13 64-bit in CCRL 40/4, 2019-07-06
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 8.13 64-bit has no rank with rating of 2607 Elo points (+27 -27),
based on 458 games: 154 wins, 173 losses and 131 draws
Score: 47.9%, Average opponent: +13.9, Draws: 28.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - RedQueen 1.1.98 64-bit             2670   1.0-0.0   (+1 -0 =0 )    0.0  +INF
 - Cyrano 0.6b17 64-bit               2642  20.5-29.5  (+10-19=21)    0.8   -22
 - Sjakk 2.2 64-bit                   2639  23.5-26.5  (+16-19=15)    1.6   +11
 - E.T. Chess 13.01.08                2634  21.0-29.0  (+11-19=20)    2.8   -24
 - GreKo 2016 64-bit                  2619  22.5-27.5  (+17-22=11)   21.5   -22
 - Zarkov 6.55                        2619  21.0-28.0  (+14-21=14)   22.0   -35
 - Sloppy 0.2.2 64-bit                2618  26.0-24.0  (+20-18=12)   23.1   +25
 - Slow Chess Blitz WV2.1             2615  29.5-20.5  (+24-15=11)   28.8   +72
 - Ruffian 2.1.0                      2610  23.5-25.5  (+20-22=7 )   41.6   -11
 - Jellyfish 1.1 64-bit               2609  26.0-24.0  (+17-15=18)   45.1   +14
 - N2 0.4 64-bit                      2590   0.0-1.0   (+0 -1 =0 )   87.2  -INF
 - SOS 5.1                            2574   0.0-1.0   (+0 -1 =0 )   98.9  -INF
 - Maverick 1.5 64-bit                2569   1.0-0.0   (+1 -0 =0 )   99.5  +INF
 - Capivara LK 0.09b02g 64-bit        2540   0.5-0.5   (+0 -0 =1 )  100.0   -36
 - Pepito 1.59.2 64-bit               2521   0.5-0.5   (+0 -0 =1 )  100.0  -116
 - Danchess CCT7                      2508   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - CyberPagno 3.0 64-bit              2492   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - BBChess 1.3b 64-bit                2480   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Nemeton 1.51                       2420   1.0-0.0   (+1 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on July 6, 2019