CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Engine Details

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Ethereal 9.30 64-bit in CCRL 40/4, 2019-06-15
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 9.30 64-bit has no rank with rating of 3043 Elo points (+25 -25),
based on 520 games: 160 wins, 141 losses and 219 draws
Score: 51.8%, Average opponent: −15.4, Draws: 42.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 9 64-bit                 3482   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Fire 6.1 64-bit                    3289   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - NirvanaChess 2.4 64-bit            3130  15.0-22.0  (+7 -14=16)    0.0   +26
 - Texel 1.07 64-bit                  3114  16.5-20.5  (+9 -13=15)    0.0   +34
 - Rybka 4.1 64-bit                   3108  12.0-24.0  (+4 -16=16)    0.0   -37
 - Protector 1.9.0 64-bit             3084  16.5-20.5  (+10-14=13)    0.1    +4
 - Nemorino 4.00 64-bit               3067  18.5-18.5  (+12-12=13)    4.5   +19
 - Xiphos 0.2 64-bit                  3062  21.5-28.5  (+11-18=21)    8.7   -24
 - Arasan 20.5 64-bit                 3060  13.0-18.0  (+5 -10=16)   12.2   -29
 - Pedone 1.7 64-bit                  3053  21.0-16.0  (+11-6 =20)   23.6   +48
 - Defenchess (SCTR) 1.1f 64-bit      3046  18.0-17.0  (+10-9 =16)   41.0   +12
 - Wasp 2.6 64-bit                    2978  19.5-17.5  (+11-9 =17)  100.0   -48
 - chess22k 1.9 64-bit                2969  23.0-15.0  (+13-5 =20)  100.0   -13
 - Bobcat 8.0 64-bit                  2960  18.5-11.5  (+12-5 =13)  100.0    -8
 - chess22k 1.8 64-bit                2959   0.5-0.5   (+0 -0 =1 )  100.0   -53
 - Demolito 2018-03-01 64-bit         2957   0.5-0.5   (+0 -0 =1 )  100.0  -116
 - Crafty 25.2 64-bit                 2934  18.5-11.5  (+13-6 =11)  100.0   -30
 - Spark 1.0 64-bit                   2927   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Scorpio 2.8 64-bit                 2905  23.5-6.5   (+19-2 =9 )  100.0   +64
 - Daydreamer 2.0.0-pre2 64-bit       2897   0.5-0.5   (+0 -0 =1 )  100.0  -176
 - Karballo 1.8 64-bit                2731   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Devel 2.0000                       2712   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Delfi 5.4                          2684   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Phalanx XXV                        2654   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Jellyfish 1.1 64-bit               2608   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Pseudo 0.7c                        2576   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Maverick 1.5 64-bit                2567   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - AnMon 5.75                         2539   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - JikChess 0.02 64-bit               2523   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Pepito 1.59.2 64-bit               2521   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Flux 2.2.1                         2416   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Galjoen 0.38 64-bit                2319   1.0-0.0   (+1 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019