CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Engine Details

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K2 0.57 in CCRL 40/40, 2019-07-19
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:
K2 0.57 has no rank with rating of 2183 Elo points (+34 -34),
based on 302 games: 101 wins, 124 losses and 77 draws
Score: 46.2%, Average opponent: +28.1, Draws: 25.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Gibbon 2.60a 64-bit                2338   0.5-1.5   (+0 -1 =1 )    0.0   +12
 - Plisk 0.2.6 64-bit                 2328   2.0-8.0   (+2 -8 =0 )    0.0  -134
 - Bagatur 1.3a 64-bit                2325   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - EveAnn 1.71a                       2318   2.0-8.0   (+0 -6 =4 )    0.0   -62
 - Popochin 2.9                       2315   6.5-3.5   (+6 -3 =1 )    0.0  +258
 - Waxman 2013                        2313   0.5-1.5   (+0 -1 =1 )    0.0   -26
 - NoraGrace 1.0 64-bit               2308   3.0-7.0   (+3 -7 =0 )    0.0   -53
 - nanoSzachy 3.0                     2301   2.0-8.0   (+0 -6 =4 )    0.0   -76
 - FireFly 2.7.0 64-bit               2286   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - Zeus 1.28                          2282   3.0-7.0   (+1 -5 =4 )    0.0   -24
 - Orion 0.2 64-bit                   2278   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - Protej 0.5.8c                      2251   3.0-9.0   (+1 -7 =4 )    0.0  -100
 - Exacto 0.e 64-bit                  2250   0.5-1.5   (+0 -1 =1 )    0.0   -75
 - Mango Paola Ajedrez 4.1            2248   3.5-8.5   (+2 -7 =3 )    0.1   -81
 - MadChess 1.4 64-bit                2247   4.0-8.0   (+4 -8 =0 )    0.1   -83
 - Fischerle 0.9.50 64-bit            2243  10.0-12.0  (+8 -10=4 )    0.5   +26
 - Absolute Zero 2.4.0.0 64-bit       2241   2.0-0.0   (+2 -0 =0 )    0.3  +INF
 - AliChess 4.06                      2233   4.5-5.5   (+2 -3 =5 )    1.4   +26
 - Neurosis 2.3                       2210   4.5-5.5   (+3 -4 =3 )   11.5    -4
 - Jazz 501 32-bit                    2204   4.0-6.0   (+2 -4 =4 )   18.5   -43
 - Carballo 0.8                       2194   0.5-1.5   (+0 -1 =1 )   29.6  -131
 - NG-Play 9.85 64-bit                2189  11.5-10.5  (+9 -8 =5 )   39.1   +23
 - EXchess 5.04b 64-bit               2187   7.0-3.0   (+5 -1 =4 )   44.4  +123
 - Prophet 2.0 64-bit                 2179  11.0-9.0   (+9 -7 =4 )   58.2   +33
 - ProChess 1.02AD                    2163   6.0-6.0   (+4 -4 =4 )   84.8   -20
 - Chesley r323 64-bit                2160   6.0-4.0   (+6 -4 =0 )   87.1   +62
 - Waxman 2008                        2133   7.5-2.5   (+6 -1 =3 )   99.2  +120
 - Napoleon 1.5.0 64-bit              2122  12.5-7.5   (+9 -4 =7 )   99.8   +23
 - BikJump 2.01 64-bit                2116   7.0-3.0   (+5 -1 =4 )  100.0   +64
 - Clarabit 1.00 64-bit               2104   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Jabba 1.0 64-bit                   2076   6.5-3.5   (+5 -2 =3 )  100.0    -6
 - RamJet 0.12                        2075   4.5-5.5   (+3 -4 =3 )  100.0  -139


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