CCRL 40/4
Downloads and Statistics
May 19, 2019
Testing summary:
Total: 2'021'465 games
played by 2'345 programs
27203 CPU days (X2 4600+)

White wins: 786'446 (38.9%)
Black wins: 635'703 (31.4%)
Draws: 599'316 (29.6%)
White score: 53.7%

Engine Details

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Atlas 3.20 64-bit in CCRL 40/4, 2019-05-19
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 3.20 64-bit has no rank with rating of 2533 Elo points (+32 -31),
based on 410 games: 213 wins, 121 losses and 76 draws
Score: 61.2%, Average opponent: −93.1, Draws: 18.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Bobcat 3.25 64-bit                 2712   5.5-14.5  (+3 -12=5 )    0.0   +17
 - Alaric 707                         2664   6.0-13.0  (+4 -11=4 )    0.0    -1
 - SOS 5.1                            2575  10.0-8.0   (+8 -6 =4 )    0.6   +79
 - Aristarch 4.50                     2566  11.5-7.5   (+10-6 =3 )    2.3  +108
 - nanoSzachy 4.0 64-bit              2543   8.0-10.0  (+6 -8 =4 )   28.2   -32
 - Ufim 8.02                          2539   8.5-9.5   (+7 -8 =3 )   35.7   -13
 - AnMon 5.75                         2539  11.0-8.0   (+8 -5 =6 )   36.1   +55
 - Hermann 2.8 64-bit                 2531   8.0-12.0  (+5 -9 =6 )   54.4   -73
 - Rodin 4.0                          2512  12.0-6.0   (+10-4 =4 )   89.2   +99
 - Yace 0.99.87                       2503  10.0-8.0   (+8 -6 =4 )   96.6   +10
 - Tao 5.6                            2486   7.0-11.0  (+6 -10=2 )   99.8  -135
 - Abrok 5.0                          2434  11.0-8.0   (+9 -6 =4 )  100.0   -40
 - Gaia 3.5 64-bit                    2425  12.0-6.0   (+10-4 =4 )  100.0   +11
 - Leila 0.53h                        2386   9.5-8.5   (+7 -6 =5 )  100.0  -131
 - Amateur 2.82                       2351  16.5-2.5   (+16-2 =1 )  100.0  +165
 - TJchess 1.1 64-bit                 2337  15.0-4.0   (+13-2 =4 )  100.0   +21
 - Arion 1.7                          2333   8.5-10.5  (+6 -8 =5 )  100.0  -239
 - Joker 1.1.14                       2307  17.5-1.5   (+17-1 =1 )  100.0  +203
 - Waxman 2010                        2234  14.5-4.5   (+13-3 =3 )  100.0   -94
 - Anechka 0.08                       2234  16.5-1.5   (+16-1 =1 )  100.0  +119
 - AliChess 4.25                      2229  13.5-4.5   (+12-3 =3 )  100.0  -105
 - Adam 3.3                           2220  19.0-0.0   (+19-0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on May 19, 2019