CCRL 40/4
Downloads and Statistics
July 17, 2019
Testing summary:
Total: 2'068'038 games
played by 2'396 programs
27793 CPU days (X2 4600+)

White wins: 803'434 (38.9%)
Black wins: 650'049 (31.4%)
Draws: 614'555 (29.7%)
White score: 53.7%

Engine Details

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Ethereal 8.16 64-bit in CCRL 40/4, 2019-07-17
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 8.16 64-bit has no rank with rating of 2629 Elo points (+20 -20),
based on 864 games: 286 wins, 342 losses and 236 draws
Score: 46.8%, Average opponent: +22.2, Draws: 27.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Demolito 2017-06-18 64-bit         2884   4.0-16.0  (+1 -13=6 )    0.0   +40
 - Cheese 1.9 64-bit                  2731  10.5-21.5  (+6 -17=9 )    0.0   -15
 - Carballo 1.7 64-bit                2717  13.5-18.5  (+7 -12=13)    0.0   +34
 - Chess Tiger 2007                   2700  10.5-21.5  (+7 -18=7 )    0.0   -52
 - Arminius 2017-01-01 64-bit         2688  13.0-19.0  (+11-17=4 )    0.0   -14
 - chess22k 1.4 64-bit                2688  14.5-15.5  (+11-12=7 )    0.0   +46
 - Delfi 5.4                          2683  14.0-18.0  (+9 -13=10)    0.0   +10
 - Daydreamer 1.75 64-bit             2672  12.0-19.0  (+6 -13=12)    0.0   -28
 - RedQueen 1.1.98 64-bit             2669  12.0-20.0  (+8 -16=8 )    0.0   -49
 - Alaric 707                         2663  18.0-14.0  (+16-12=4 )    0.1   +82
 - GNU Chess 6.25 64-bit              2660  10.5-16.5  (+7 -13=7 )    4.8   -44
 - Nebula 2.0 64-bit                  2654  11.5-20.5  (+7 -16=9 )    1.2   -71
 - Gogobello 1.3 64-bit               2653  14.5-15.5  (+11-12=7 )    3.7   +14
 - Donna 4.0 64-bit                   2650  13.5-18.5  (+8 -13=11)    3.8   -29
 - Colossus 2008b                     2641  18.5-13.5  (+11-6 =15)   12.6   +60
 - Sjakk 2.2 64-bit                   2638  17.0-15.0  (+11-9 =12)   22.0   +27
 - WyldChess 1.51 64-bit              2631  28.0-33.0  (+17-22=22)   43.6   -23
 - Movei 00.8.438 (10 10 10)          2623  19.0-13.0  (+14-8 =10)   72.7   +58
 - WildCat 8                          2623  18.0-13.0  (+14-9 =8 )   71.2   +50
 - Philou 3.7.1 64-bit                2620  14.0-18.0  (+10-14=8 )   79.7   -54
 - GreKo 2016 64-bit                  2619  17.5-14.5  (+15-12=5 )   79.4   +23
 - Sloppy 0.2.2 64-bit                2617  15.5-13.5  (+12-10=7 )   86.7   +10
 - Slow Chess Blitz WV2.1             2614  18.0-14.0  (+16-12=4 )   91.7   +32
 - Rotor 0.8                          2613  16.5-15.5  (+13-12=7 )   92.6    -2
 - Jellyfish 1.1 64-bit               2609  15.0-17.0  (+9 -11=12)   96.0   -37
 - GarboChess 3.0 64-bit              2574  16.0-14.0  (+13-11=6 )  100.0   -30
 - Counter 2.0.1 64-bit               2546  19.0-12.0  (+16-9 =6 )  100.0    +3


Created in 2005-2013 by CCRL team
Last games added on July 17, 2019