CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Engine Details

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Atak 6.5 in CCRL 40/40, 2019-08-17
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 6.5 has no rank with rating of 2180 Elo points (+25 -25),
based on 570 games: 221 wins, 213 losses and 136 draws
Score: 50.7%, Average opponent: −6.8, Draws: 23.9%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Rodin 2.3a                        2338   2.0-2.0   (+1 -1 =2 )    0.0  +147
 - Daydreamer 1.5                    2334   2.5-1.5   (+1 -0 =3 )    0.0  +213
 - Ares 1.003a                       2304   1.0-1.0   (+1 -1 =0 )    0.0  +124
 - Xpdnt 080927                      2300   2.0-2.0   (+2 -2 =0 )    0.0  +120
 - Zeus 1.29                         2298   0.5-3.5   (+0 -3 =1 )    0.0  -171
 - Popochin 3.2                      2295   0.5-4.5   (+0 -4 =1 )    0.0  -209
 - Butcher 1.60n1                    2284   1.5-0.5   (+1 -0 =1 )    0.0  +246
 - Rodin 2.1h                        2283   1.5-2.5   (+1 -2 =1 )    0.0   +20
 - Glass 1.2                         2282   1.0-3.0   (+1 -3 =0 )    0.0  -124
 - Bison 8.2.4r                      2281   3.0-1.0   (+3 -1 =0 )    0.0  +327
 - AliChess 4.20                     2265   0.5-1.5   (+0 -1 =1 )    0.0   -57
 - Waxman 2009                       2252   0.5-1.5   (+0 -1 =1 )    0.0   -70
 - AliChess 4.19                     2244   0.5-7.5   (+0 -7 =1 )    0.1  -344
 - AliChess 4.18                     2242   1.5-2.5   (+0 -1 =3 )    0.1    -5
 - Feuerstein 0.4.6.1                2238   5.0-5.0   (+3 -3 =4 )    0.0   +58
 - KMTChess 1.2.1 64-bit             2231   6.0-12.0  (+4 -10=4 )    0.3   -69
 - Uralochka 1.1b                    2217   3.0-10.0  (+2 -9 =2 )    0.9  -177
 - Gibbon 2.52a                      2216  22.0-30.0  (+18-26=8 )    0.8   -22
 - GarboChess 0.21                   2215   8.5-7.5   (+6 -5 =5 )    4.8   +60
 - Neurosis 2.5                      2206   6.0-12.0  (+1 -7 =10)    4.3   -68
 - ChessAlex 2.0r4                   2205   5.0-7.0   (+3 -5 =4 )    6.6   -30
 - BlackBishop 1.0                   2201   5.0-8.0   (+3 -6 =4 )    8.8   -55
 - RattateChess Bologna 2007         2200   2.0-6.0   (+2 -6 =0 )   12.4  -206
 - Alf 1.09                          2194   4.5-3.5   (+3 -2 =3 )   19.8   +56
 - Buzz 0.08 32-bit                  2192  16.0-16.0  (+14-14=4 )   24.7   +12
 - OBender 3.2.4.2                   2191  12.5-13.5  (+8 -9 =9 )   23.8    +1
 - Mediocre 0.34                     2186   4.0-6.0   (+2 -4 =4 )   36.2   -53
 - NagaSkaki 5.12                    2186   7.5-8.5   (+6 -7 =3 )   34.6   -18
 - Hamsters 0.0.6                    2177   9.0-9.0   (+7 -7 =4 )   55.7    -5
 - Lime 66                           2177   9.0-11.0  (+6 -8 =6 )   56.5   -37
 - Sungorus 1.2                      2172   7.0-5.0   (+6 -4 =2 )   66.1   +55
 - Pawny 0.13                        2169  20.0-12.0  (+18-10=4 )   70.2   +87
 - OliThink 5.1.9                    2156  26.5-21.5  (+21-16=11)   89.5   +14
 - KnockOut 0.7.1                    2150  15.0-9.0   (+13-7 =4 )   97.5   +65
 - Parrot 07.07.22                   2135   3.5-4.5   (+3 -4 =1 )   99.7   -97
 - TJchess 0.121                     2133   3.5-2.5   (+3 -2 =1 )   99.8   +20
 - Waxman 2008                       2133   2.0-2.0   (+2 -2 =0 )   99.6   -47
 - Bearded 06_29_02                  2130   2.0-2.0   (+2 -2 =0 )   99.7   -50
 - Adam 3.2                          2129  13.0-9.0   (+10-6 =6 )   99.8   +14
 - Clarabit 1.00 32-bit              2115   7.0-1.0   (+6 -0 =2 )  100.0  +221
 - Adam 3.1                          2108   5.5-2.5   (+5 -2 =1 )  100.0   +75
 - FireFly 2.5.6 32-bit              2087   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - BikJump 2.01 32-bit               2083   3.5-0.5   (+3 -0 =1 )  100.0  +192
 - FireFly 2.5.4                     2073   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - BigLion 2.23x                     2067   3.0-1.0   (+2 -0 =2 )  100.0   +37
 - ZCT 0.3.2500                      2048   2.5-1.5   (+1 -0 =3 )  100.0   -72
 - Mustang 4.97                      2043   2.5-1.5   (+2 -1 =1 )  100.0   -54
 - Rival 1.18                        1974   3.0-1.0   (+2 -0 =2 )  100.0   -48
 - ECE 0.3                           1913   3.5-0.5   (+3 -0 =1 )  100.0   +21
 - Clueless 1.4                      1912   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Carballo 0.4                      1908  14.5-3.5   (+12-1 =5 )  100.0   -50


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