CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Engine Details

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Ethereal 8.05 64-bit in CCRL 40/40, 2019-07-11
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 2598 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             2781   3.5-6.5   (+2 -5 =3 )    0.0   +82
 - Bison 9.11 64-bit                  2755   1.0-9.0   (+0 -8 =2 )    0.0  -167
 - Carballo 1.7 64-bit                2738   2.0-8.0   (+1 -7 =2 )    0.0   -95
 - Tucano 6.00 64-bit                 2723   5.0-5.0   (+3 -3 =4 )    0.0  +125
 - ProDeo 2.2                         2722   2.5-7.5   (+2 -7 =1 )    0.0   -79
 - Scorpio 2.6 32-bit                 2695   3.5-6.5   (+1 -4 =5 )    0.0   +10
 - Booot 4.15.0                       2692   3.5-6.5   (+1 -4 =5 )    0.0    +7
 - Zurichess Graubuenden 64-bit       2689   4.5-5.5   (+4 -5 =1 )    0.0   +54
 - Amoeba 1.3 64-bit                  2688   2.0-8.0   (+1 -7 =2 )    0.0  -135
 - Cheese 1.8 64-bit                  2683   2.5-7.5   (+0 -5 =5 )    0.0   -66
 - Daydreamer 1.75 64-bit             2679   2.0-8.0   (+1 -7 =2 )    0.0  -151
 - Djinn 1.021 64-bit                 2667   5.0-5.0   (+3 -3 =4 )    0.0   +64
 - Chessmaster 11                     2664   5.0-5.0   (+4 -4 =2 )    0.0   +60
 - Dirty 23Mar2012 32-bit             2657   5.0-5.0   (+3 -3 =4 )    0.4   +59
 - Floyd 0.9 64-bit                   2657   5.0-5.0   (+4 -4 =2 )    0.0   +64
 - Sjakk 2.2 64-bit                   2633   4.5-5.5   (+1 -2 =7 )    1.5    +7
 - Rodin 8.0                          2627   5.5-4.5   (+4 -3 =3 )    3.7   +69
 - NoraGrace 2.0 64-bit               2624   7.0-3.0   (+5 -1 =4 )    5.4  +156
 - Nebula 2.0 64-bit                  2622   4.0-6.0   (+2 -4 =4 )    6.8   -39
 - Phalanx XXV                        2618   5.0-5.0   (+3 -3 =4 )   11.1   +15
 - Sloppy 0.2.2 64-bit                2610   4.5-5.5   (+1 -2 =7 )   23.0   -12
 - GreKo 2015 64-bit                  2608   5.0-5.0   (+1 -1 =8 )   29.0    +6
 - Donna 4.0 64-bit                   2605   3.5-6.5   (+2 -5 =3 )   33.9   -96
 - Muse 0.953 64-bit                  2595   4.0-6.0   (+3 -5 =2 )   58.0   -77
 - GarboChess 3.0 64-bit              2586   3.5-6.5   (+3 -6 =1 )   77.2  -136
 - Nawito 1.1d                        2583   6.5-3.5   (+5 -2 =3 )   77.2   +90
 - Jellyfish 1.1 64-bit               2579   4.5-5.5   (+2 -3 =5 )   88.1   -46
 - Coiled 0.4 64-bit                  2562   5.5-4.5   (+4 -3 =3 )   98.6    +4
 - Counter 2.0.2 64-bit               2560   8.5-1.5   (+7 -0 =3 )   97.8  +211
 - Capivara LK 0.09b02c 64-bit        2556   7.0-3.0   (+6 -2 =2 )   99.1  +107
 - JikChess 0.02 64-bit               2555   5.0-5.0   (+4 -4 =2 )   99.6   -43
 - RubiChess 0.9 64-bit               2552   3.0-3.0   (+2 -2 =2 )   99.5   -46
 - Gogobello 1.1 64-bit               2551   4.0-6.0   (+1 -3 =6 )   99.1   -98
 - Ghost 3.1 64-bit                   2550   9.5-6.5   (+8 -5 =3 )   99.8   +23
 - WyldChess 1.3 64-bit               2549   6.0-4.0   (+2 -0 =8 )   99.3    +3
 - Ghost 3 64-bit                     2548   5.5-4.5   (+5 -4 =1 )   99.5    -8
 - Marvin 2.0.0 64-bit                2531   7.5-4.5   (+7 -4 =1 )  100.0   +37
 - Orion 0.5 64-bit                   2526   7.0-1.0   (+6 -0 =2 )  100.0  +214
 - ECE X2                             2511   5.5-4.5   (+4 -3 =3 )  100.0   -50
 - Winter 0.1.1 64-bit                2494   2.0-4.0   (+1 -3 =2 )  100.0  -222
 - Jumbo 0.6.10 64-bit                2482   6.0-4.0   (+4 -2 =4 )  100.0   -57
 - Jumbo 0.6.31 64-bit                2468   6.0-2.0   (+5 -1 =2 )  100.0   +53
 - Lozza 1.18 64-bit                  2466   7.0-1.0   (+6 -0 =2 )  100.0  +153
 - Counter 1.99 64-bit                2462   2.5-3.5   (+1 -2 =3 )  100.0  -194


Created in 2005-2013 by CCRL team
Last games added on July 11, 2019