CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

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Ethereal 8.05 64-bit in CCRL 40/40, 2019-09-14
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Ethereal 8.05 64-bit has no rank with rating of 2599 Elo points (+28 -28),
based on 430 games: 135 wins, 151 losses and 144 draws
Score: 48.1%, Average opponent: +12.3, Draws: 33.5%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Octochess r5506 64-bit            2783   3.5-6.5   (+2 -5 =3 )    0.0   +83
 - Bison 9.11 64-bit                 2756   1.0-9.0   (+0 -8 =2 )    0.0  -167
 - Carballo 1.7 64-bit               2737   2.0-8.0   (+1 -7 =2 )    0.0   -97
 - Tucano 6.00 64-bit                2724   5.0-5.0   (+3 -3 =4 )    0.0  +125
 - ProDeo 2.2                        2723   2.5-7.5   (+2 -7 =1 )    0.0   -79
 - Scorpio 2.6 32-bit                2696   3.5-6.5   (+1 -4 =5 )    0.0   +10
 - Booot 4.15.0                      2694   3.5-6.5   (+1 -4 =5 )    0.0    +8
 - Zurichess Graubuenden 64-bit      2690   4.5-5.5   (+4 -5 =1 )    0.0   +54
 - Amoeba 1.3 64-bit                 2689   2.0-8.0   (+1 -7 =2 )    0.0  -135
 - Cheese 1.8 64-bit                 2684   2.5-7.5   (+0 -5 =5 )    0.0   -66
 - Daydreamer 1.75 64-bit            2680   2.0-8.0   (+1 -7 =2 )    0.0  -151
 - Djinn 1.021 64-bit                2668   5.0-5.0   (+3 -3 =4 )    0.0   +64
 - Chessmaster 11                    2665   5.0-5.0   (+4 -4 =2 )    0.0   +60
 - Floyd 0.9 64-bit                  2659   5.0-5.0   (+4 -4 =2 )    0.0   +65
 - Dirty 23Mar2012 32-bit            2658   5.0-5.0   (+3 -3 =4 )    0.4   +59
 - Sjakk 2.2 64-bit                  2634   4.5-5.5   (+1 -2 =7 )    1.4    +7
 - Rodin 8.0                         2627   5.5-4.5   (+4 -3 =3 )    3.9   +68
 - NoraGrace 2.0 64-bit              2625   7.0-3.0   (+5 -1 =4 )    5.1  +156
 - Nebula 2.0 64-bit                 2622   4.0-6.0   (+2 -4 =4 )    7.6   -40
 - Phalanx XXV                       2619   5.0-5.0   (+3 -3 =4 )   10.5   +15
 - Sloppy 0.2.2 64-bit               2611   4.5-5.5   (+1 -2 =7 )   22.8   -12
 - GreKo 2015 64-bit                 2609   5.0-5.0   (+1 -1 =8 )   29.0    +6
 - Donna 4.0 64-bit                  2606   3.5-6.5   (+2 -5 =3 )   34.0   -96
 - Muse 0.953 64-bit                 2596   4.0-6.0   (+3 -5 =2 )   57.7   -77
 - GarboChess 3.0 64-bit             2587   3.5-6.5   (+3 -6 =1 )   77.3  -136
 - Nawito 1.1d                       2584   6.5-3.5   (+5 -2 =3 )   77.1   +90
 - Jellyfish 1.1 64-bit              2580   4.5-5.5   (+2 -3 =5 )   88.2   -46
 - Coiled 0.4 64-bit                 2564   5.5-4.5   (+4 -3 =3 )   98.4    +5
 - Counter 2.0.2 64-bit              2560   8.5-1.5   (+7 -0 =3 )   97.9  +210
 - Capivara LK 0.09b02c 64-bit       2557   7.0-3.0   (+6 -2 =2 )   99.1  +107
 - JikChess 0.02 64-bit              2556   5.0-5.0   (+4 -4 =2 )   99.6   -43
 - RubiChess 0.9 64-bit              2553   3.0-3.0   (+2 -2 =2 )   99.5   -46
 - Gogobello 1.1 64-bit              2552   4.0-6.0   (+1 -3 =6 )   99.1   -98
 - WyldChess 1.3 64-bit              2550   6.0-4.0   (+2 -0 =8 )   99.3    +3
 - Ghost 3.1 64-bit                  2550   9.5-6.5   (+8 -5 =3 )   99.9   +22
 - Ghost 3 64-bit                    2549   5.5-4.5   (+5 -4 =1 )   99.5    -8
 - Marvin 2.0.0 64-bit               2533   7.5-4.5   (+7 -4 =1 )  100.0   +38
 - Orion 0.5 64-bit                  2527   7.0-1.0   (+6 -0 =2 )  100.0  +214
 - ECE X2                            2512   5.5-4.5   (+4 -3 =3 )  100.0   -50
 - Winter 0.1.1 64-bit               2495   2.0-4.0   (+1 -3 =2 )  100.0  -222
 - Jumbo 0.6.10 64-bit               2483   6.0-4.0   (+4 -2 =4 )  100.0   -57
 - Jumbo 0.6.31 64-bit               2469   6.0-2.0   (+5 -1 =2 )  100.0   +53
 - Lozza 1.18 64-bit                 2469   7.0-1.0   (+6 -0 =2 )  100.0  +156
 - Counter 1.99 64-bit               2463   2.5-3.5   (+1 -2 =3 )  100.0  -194


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019