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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Atak 6.7 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:
Atak 6.7 has no rank with rating of 2236 Elo points (+28 -29),
based on 407 games: 142 wins, 130 losses and 135 draws
Score: 51.5%, Average opponent: −9.1, Draws: 33.2%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Jonesy 1.0 64-bit                 2410   3.0-7.0   (+2 -6 =2 )    0.0   +22
 - OliThink 5.3.0 32-bit             2358   1.0-3.0   (+0 -2 =2 )    0.0   -20
 - Plisk 0.2.6 32-bit                2349   0.0-4.0   (+0 -4 =0 )    0.0  -INF
 - Tytan 9.32 32-bit                 2346   1.0-3.0   (+1 -3 =0 )    0.0  -115
 - Rodin 2.3a                        2339   4.5-5.5   (+2 -3 =5 )    0.0   +75
 - Ares 1.003a                       2305   2.0-2.0   (+1 -1 =2 )    0.1   +79
 - Anechka 0.08                      2300   3.0-1.0   (+2 -0 =2 )    0.0  +213
 - Alex 2.09                         2300   3.5-0.5   (+3 -0 =1 )    0.1  +345
 - Popochin 3.2                      2296   2.5-1.5   (+2 -1 =1 )    0.0  +155
 - CT800 1.34 64-bit                 2295   2.0-2.0   (+1 -1 =2 )    0.1   +59
 - Invictus r228 64-bit              2292   2.0-2.0   (+0 -0 =4 )    0.1   +56
 - Nemeton 1.0                       2292   3.5-6.5   (+2 -5 =3 )    0.4   -48
 - Fischerle 0.9.65 64-bit           2289   5.0-5.0   (+5 -5 =0 )    0.5   +53
 - Butcher 1.60n1                    2285   0.5-3.5   (+0 -3 =1 )    0.5  -239
 - Chispa 4.0.3                      2273   1.0-3.0   (+0 -2 =2 )    1.7  -119
 - Zevra 1.8.6 r672 64-bit           2269   4.5-3.5   (+3 -2 =3 )    3.4   +70
 - AliChess 4.20                     2265   0.5-3.5   (+0 -3 =1 )   10.2  -252
 - CT800 1.32 64-bit                 2263   6.0-6.0   (+4 -4 =4 )    6.4   +27
 - Sungorus 1.4 32-bit               2260   1.5-2.5   (+0 -1 =3 )    9.9   -43
 - AliChess 4.21                     2258   3.0-1.0   (+3 -1 =0 )   12.7  +256
 - Sungorus 1.3 32-bit               2254   4.0-4.0   (+3 -3 =2 )   21.4   +18
 - Waxman 2009                       2253   8.0-6.0   (+6 -4 =4 )   17.5   +62
 - RattateChess 1.0 Nosferatu        2252   2.5-1.5   (+2 -1 =1 )   19.2  +111
 - Beowulf 2.4a 64-bit               2249   8.0-16.0  (+4 -12=8 )   22.7   -96
 - Feuerstein 0.4.6.1                2238   7.0-9.0   (+3 -5 =8 )   46.3   -37
 - Uralochka 1.1b                    2218   4.0-4.0   (+3 -3 =2 )   86.3   -18
 - Ifrit j3.6 64-bit                 2217  11.5-12.5  (+8 -9 =7 )   81.4   -34
 - Gibbon 2.52a                      2216   8.5-7.5   (+6 -5 =5 )   88.7     0
 - Atlas 2.20                        2208   3.0-1.0   (+2 -0 =2 )   89.7  +128
 - Neurosis 2.5                      2206   8.5-7.5   (+5 -4 =7 )   96.3    -9
 - BlackBishop 1.0                   2201  14.5-9.5   (+9 -4 =11)   98.0   +27
 - Mediocre 0.34                     2187  10.5-9.5   (+9 -8 =3 )   99.5   -26
 - NagaSkaki 5.12                    2186   4.5-3.5   (+3 -2 =3 )   99.9    -7
 - Alex 2.03                         2184   6.0-6.0   (+4 -4 =4 )   99.4   -48
 - KMTChess 1.2.1 32-bit             2182   7.5-4.5   (+5 -2 =5 )   99.9   +28
 - RedQueen 0.6                      2177  15.5-12.5  (+13-10=5 )   99.8   -18
 - Simplex 0.9.3 32-bit              2167   4.0-4.0   (+3 -3 =2 )   99.9   -74
 - KnockOut 0.7.1                    2151   7.0-1.0   (+6 -0 =2 )  100.0  +197
 - TJchess 0.121                     2133   7.0-5.0   (+4 -2 =6 )  100.0   -53
 - Bearded 06_29_02                  2130   6.0-2.0   (+4 -0 =4 )  100.0   +43
 - Adam 3.2                          2129   3.0-1.0   (+2 -0 =2 )  100.0   +42
 - FireFly 2.5.6 32-bit              2087   5.0-4.0   (+3 -2 =4 )  100.0  -117
 - Protej 0.5.7                      2054   4.0-0.0   (+4 -0 =0 )  100.0  +INF


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