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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Atlas 3.90 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:
Atlas 3.90 64-bit has no rank with rating of 2914 Elo points (+33 -33),
based on 298 games: 108 wins, 87 losses and 103 draws
Score: 53.5%, Average opponent: −22.7, Draws: 34.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Amoeba 2.7 64-bit                  2938   9.5-13.5  (+8 -12=3 )    8.8   -46
 - Deep Sjeng c't 2010                2925   9.5-14.5  (+5 -10=9 )   26.3   -58
 - DiscoCheck 5.2.1 64-bit            2913  11.0-12.0  (+8 -9 =6 )   50.6   -17
 - Zurichess Neuchatel 64-bit         2900  16.0-14.0  (+10-8 =12)   78.6    +5
 - Quazar 0.4 64-bit                  2899  17.0-13.0  (+12-8 =10)   80.0   +32
 - chess22k 1.7 64-bit                2897  19.0-11.0  (+15-7 =8 )   81.4   +75
 - Thinker 5.4d Inert 64-bit          2885  14.0-10.0  (+10-6 =8 )   95.3   +28
 - Scorpio 2.7.9 64-bit               2884  17.5-12.5  (+10-5 =15)   93.4   +18
 - Deuterium 14.3.34.130 64-bit       2882  13.5-10.5  (+10-7 =7 )   96.3   +11
 - Murka 3 64-bit                     2881  14.0-16.0  (+7 -9 =14)   96.9   -51
 - Octochess r5506 64-bit             2820  18.5-11.5  (+13-6 =11)  100.0   -20


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