CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

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Ethereal 8.05 64-bit in CCRL 40/40, 2018-04-21
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 Intel CPU.
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Ethereal 8.05 64-bit has no rank with rating of 2588 Elo points (+29 -29),
based on 390 games: 111 wins, 146 losses and 133 draws
Score: 45.5%, Average opponent: +30.6, Draws: 34.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Octochess r5506 64-bit             2785   3.5-6.5   (+2 -5 =3 )    0.0   +96
 - Bison 9.11 64-bit                  2755   1.0-9.0   (+0 -8 =2 )    0.0  -157
 - Carballo 1.7 64-bit                2737   2.0-8.0   (+1 -7 =2 )    0.0   -86
 - ProDeo 2.2                         2728   2.5-7.5   (+2 -7 =1 )    0.0   -63
 - Tucano 6.00 64-bit                 2724   5.0-5.0   (+3 -3 =4 )    0.0  +136
 - Scorpio 2.6 32-bit                 2695   3.5-6.5   (+1 -4 =5 )    0.0   +20
 - Booot 4.15.0                       2691   3.5-6.5   (+1 -4 =5 )    0.0   +16
 - Zurichess Graubuenden 64-bit       2689   4.5-5.5   (+4 -5 =1 )    0.0   +64
 - Amoeba 1.3 64-bit                  2688   2.0-8.0   (+1 -7 =2 )    0.0  -125
 - Cheese 1.8 64-bit                  2683   2.5-7.5   (+0 -5 =5 )    0.0   -56
 - Daydreamer 1.75 64-bit             2678   2.0-8.0   (+1 -7 =2 )    0.0  -142
 - Chessmaster 11                     2666   5.0-5.0   (+4 -4 =2 )    0.0   +72
 - Djinn 1.021 64-bit                 2664   5.0-5.0   (+3 -3 =4 )    0.0   +71
 - Floyd 0.9 64-bit                   2660   5.0-5.0   (+4 -4 =2 )    0.0   +77
 - Dirty 23Mar2012 32-bit             2655   5.0-5.0   (+3 -3 =4 )    0.1   +67
 - Sjakk 2.2 64-bit                   2631   4.5-5.5   (+1 -2 =7 )    0.5   +15
 - Rodin 8.0                          2626   5.5-4.5   (+4 -3 =3 )    1.2   +78
 - Nebula 2.0 64-bit                  2624   4.0-6.0   (+2 -4 =4 )    1.9   -27
 - NoraGrace 2.0 64-bit               2624   7.0-3.0   (+5 -1 =4 )    1.9  +166
 - Phalanx XXV                        2610   5.0-5.0   (+3 -3 =4 )    9.4   +17
 - Sloppy 0.2.2 64-bit                2610   4.5-5.5   (+1 -2 =7 )   10.7    -2
 - GreKo 2015 64-bit                  2607   5.0-5.0   (+1 -1 =8 )   15.5   +15
 - Donna 4.0 64-bit                   2603   3.5-6.5   (+2 -5 =3 )   18.4   -88
 - Muse 0.953 64-bit                  2591   4.0-6.0   (+3 -5 =2 )   42.7   -71
 - GarboChess 3.0 64-bit              2585   3.5-6.5   (+3 -6 =1 )   58.2  -127
 - Jellyfish 1.1 64-bit               2577   4.5-5.5   (+2 -3 =5 )   74.9   -38
 - Coiled 0.4 64-bit                  2562   5.5-4.5   (+4 -3 =3 )   93.3   +14
 - Capivara LK 0.09b02c 64-bit        2555   7.0-3.0   (+6 -2 =2 )   96.4  +116
 - JikChess 0.02 64-bit               2554   5.0-5.0   (+4 -4 =2 )   97.6   -34
 - Gogobello 1.1 64-bit               2552   4.0-6.0   (+1 -3 =6 )   96.3   -87
 - Counter 2.0.2 64-bit               2552   8.5-1.5   (+7 -0 =3 )   96.5  +213
 - Ghost 3 64-bit                     2546   5.5-4.5   (+5 -4 =1 )   98.3     0
 - WyldChess 1.3 64-bit               2546   6.0-4.0   (+2 -0 =8 )   97.8   +10
 - Ghost 3.1 64-bit                   2544   9.5-6.5   (+8 -5 =3 )   99.2   +26
 - Marvin 2.0.0 64-bit                2543   7.5-4.5   (+7 -4 =1 )   98.9   +59
 - ECE X2                             2508   5.5-4.5   (+4 -3 =3 )  100.0   -43
 - Jumbo 0.6.10 64-bit                2485   6.0-4.0   (+4 -2 =4 )  100.0   -44
 - Winter 0.1.1 64-bit                2472   2.0-4.0   (+1 -3 =2 )  100.0  -234
 - Counter 1.99 64-bit                2460   2.5-3.5   (+1 -2 =3 )  100.0  -186


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018