CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Atak 6.7 in CCRL 40/40, 2017-11-18
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Atak 6.7 has no rank with rating of 2229 Elo points (+30 -30),
based on 369 games: 132 wins, 117 losses and 120 draws
Score: 52.0%, Average opponent: −13.1, Draws: 32.5%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - OliThink 5.3.0 32-bit             2357   1.0-3.0   (+0 -2 =2 )    0.0   -14
 - Plisk 0.2.6 32-bit                2351   0.0-4.0   (+0 -4 =0 )    0.0  -INF
 - Tytan 9.32 32-bit                 2344   1.0-3.0   (+1 -3 =0 )    0.0  -110
 - Rodin 2.3a                        2337   4.5-5.5   (+2 -3 =5 )    0.0   +80
 - Ares 1.003a                       2301   2.0-2.0   (+1 -1 =2 )    0.1   +82
 - Alex 2.09                         2299   3.5-0.5   (+3 -0 =1 )    0.1  +351
 - Anechka 0.08                      2294   3.0-1.0   (+2 -0 =2 )    0.0  +214
 - Popochin 3.2                      2293   2.5-1.5   (+2 -1 =1 )    0.0  +159
 - Nemeton 1.0                       2290   3.5-6.5   (+2 -5 =3 )    0.3   -43
 - Fischerle 0.9.65 64-bit           2285   5.0-5.0   (+5 -5 =0 )    0.4   +56
 - Butcher 1.60n1                    2283   0.5-3.5   (+0 -3 =1 )    0.3  -234
 - Chispa 4.0.3                      2269   1.0-3.0   (+0 -2 =2 )    1.4  -116
 - AliChess 4.20                     2263   0.5-3.5   (+0 -3 =1 )    7.3  -247
 - Sungorus 1.4 32-bit               2259   1.5-2.5   (+0 -1 =3 )    5.8   -37
 - AliChess 4.21                     2256   3.0-1.0   (+3 -1 =0 )    8.3  +261
 - Waxman 2009                       2251   8.0-6.0   (+6 -4 =4 )   11.9   +67
 - Sungorus 1.3 32-bit               2251   4.0-4.0   (+3 -3 =2 )   16.8   +22
 - Beowulf 2.4a 64-bit               2250   8.0-16.0  (+4 -12=8 )   12.1   -88
 - RattateChess 1.0 Nosferatu        2249   2.5-1.5   (+2 -1 =1 )   14.2  +115
 - Feuerstein 0.4.6.1                2236   7.0-9.0   (+3 -5 =8 )   35.9   -32
 - Uralochka 1.1b                    2218   4.0-4.0   (+3 -3 =2 )   74.0   -11
 - Gibbon 2.52a                      2214   8.5-7.5   (+6 -5 =5 )   81.4    +4
 - Ifrit j3.6 64-bit                 2214  11.5-12.5  (+8 -9 =7 )   75.3   -30
 - Atlas 2.20                        2205   3.0-1.0   (+2 -0 =2 )   85.6  +132
 - Neurosis 2.5                      2203   8.5-7.5   (+5 -4 =7 )   93.1    -5
 - BlackBishop 1.0                   2199  14.5-9.5   (+9 -4 =11)   95.9   +32
 - Mediocre 0.34                     2183  10.5-9.5   (+9 -8 =3 )   98.9   -23
 - NagaSkaki 5.12                    2182   4.5-3.5   (+3 -2 =3 )   99.6    -4
 - KMTChess 1.2.1 32-bit             2180   7.5-4.5   (+5 -2 =5 )   99.6   +33
 - Alex 2.03                         2180   6.0-6.0   (+4 -4 =4 )   98.9   -45
 - RedQueen 0.6                      2173  15.5-12.5  (+13-10=5 )   99.6   -15
 - Simplex 0.9.3 32-bit              2166   4.0-4.0   (+3 -3 =2 )   99.7   -68
 - KnockOut 0.7.1                    2146   7.0-1.0   (+6 -0 =2 )  100.0  +199
 - TJchess 0.121                     2130   7.0-5.0   (+4 -2 =6 )  100.0   -49
 - Bearded 06_29_02                  2128   6.0-2.0   (+4 -0 =4 )  100.0   +48
 - Adam 3.2                          2124   3.0-1.0   (+2 -0 =2 )  100.0   +44
 - FireFly 2.5.6 32-bit              2084   5.0-4.0   (+3 -2 =4 )  100.0  -113
 - Protej 0.5.7                      2053   4.0-0.0   (+4 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017