CCRL 40/40
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 1'090'583 games
played by 2'551 programs
149018 CPU days (X2 4600+)

White wins: 378'348 (34.7%)
Black wins: 281'291 (25.8%)
Draws: 430'944 (39.5%)
White score: 54.4%

Engine Details

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Atak 6.5 in CCRL 40/40, 2019-10-12
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://ccrl.chessdom.com/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: −6.5, Draws: 23.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rodin 2.3a                         2339   2.0-2.0   (+1 -1 =2 )    0.0  +148
 - Daydreamer 1.5                     2335   2.5-1.5   (+1 -0 =3 )    0.0  +214
 - Ares 1.003a                        2305   1.0-1.0   (+1 -1 =0 )    0.0  +125
 - 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                       2296   0.5-4.5   (+0 -4 =1 )    0.0  -208
 - Butcher 1.60n1                     2285   1.5-0.5   (+1 -0 =1 )    0.0  +247
 - Glass 1.2                          2283   1.0-3.0   (+1 -3 =0 )    0.0  -123
 - Rodin 2.1h                         2283   1.5-2.5   (+1 -2 =1 )    0.0   +20
 - 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                        2253   0.5-1.5   (+0 -1 =1 )    0.0   -69
 - AliChess 4.19                      2245   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                     2218   3.0-10.0  (+2 -9 =2 )    0.9  -176
 - Gibbon 2.52a                       2216  22.0-30.0  (+18-26=8 )    0.8   -22
 - GarboChess 0.21                    2216   8.5-7.5   (+6 -5 =5 )    4.7   +61
 - 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          2201   2.0-6.0   (+2 -6 =0 )   12.4  -205
 - Alf 1.09                           2195   4.5-3.5   (+3 -2 =3 )   19.7   +57
 - Buzz 0.08 32-bit                   2193  16.0-16.0  (+14-14=4 )   24.7   +13
 - OBender 3.2.4.2                    2191  12.5-13.5  (+8 -9 =9 )   23.8    +1
 - Mediocre 0.34                      2187   4.0-6.0   (+2 -4 =4 )   36.2   -52
 - NagaSkaki 5.12                     2186   7.5-8.5   (+6 -7 =3 )   34.7   -18
 - Lime 66                            2178   9.0-11.0  (+6 -8 =6 )   56.2   -36
 - Hamsters 0.0.6                     2177   9.0-9.0   (+7 -7 =4 )   55.9    -5
 - 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 )   70.3   +87
 - OliThink 5.1.9                     2156  26.5-21.5  (+21-16=11)   89.5   +14
 - KnockOut 0.7.1                     2151  15.0-9.0   (+13-7 =4 )   97.5   +66
 - Parrot 07.07.22                    2135   3.5-4.5   (+3 -4 =1 )   99.7   -97
 - Waxman 2008                        2134   2.0-2.0   (+2 -2 =0 )   99.6   -46
 - TJchess 0.121                      2133   3.5-2.5   (+3 -2 =1 )   99.8   +20
 - 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                           2109   5.5-2.5   (+5 -2 =1 )  100.0   +76
 - FireFly 2.5.6 32-bit               2087   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - BikJump 2.01 32-bit                2084   3.5-0.5   (+3 -0 =1 )  100.0  +193
 - 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                            1914   3.5-0.5   (+3 -0 =1 )  100.0   +22
 - Clueless 1.4                       1912   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Carballo 0.4                       1909  14.5-3.5   (+12-1 =5 )  100.0   -49

Created in 2005-2013 by CCRL team
Last games added on October 12, 2019