CCRL 40/15
Downloads and Statistics
February 20, 2021
Testing summary:
Total: 1'218'554 games
played by 2'788 programs

White wins: 418'779 (34.4%)
Black wins: 308'204 (25.3%)
Draws: 491'571 (40.3%)
White score: 54.5%

Engine Details

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K2 0.57 in CCRL 40/15, 2021-02-20
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
K2 0.57 has no rank with rating of 2187 Elo points (+33 -33),
based on 314 games: 107 wins, 126 losses and 81 draws
Score: 47.0%, Average opponent: +22.8, Draws: 25.8%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Gibbon 2.60a 64-bit                     2337   0.5-1.5   (+0 -1 =1 )    0.0    +7
 - Plisk 0.2.6 64-bit                      2330   2.0-8.0   (+2 -8 =0 )    0.0  -136
 - Bagatur 1.3a 64-bit                     2326   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - EveAnn 1.71a                            2318   2.0-8.0   (+0 -6 =4 )    0.0   -66
 - Popochin 2.9                            2317   6.5-3.5   (+6 -3 =1 )    0.0  +256
 - Waxman 2013                             2314   0.5-1.5   (+0 -1 =1 )    0.0   -29
 - NoraGrace 1.0 64-bit                    2309   3.0-7.0   (+3 -7 =0 )    0.0   -56
 - nanoSzachy 3.0                          2302   2.0-8.0   (+0 -6 =4 )    0.0   -79
 - FireFly 2.7.0 64-bit                    2287   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - Zeus 1.28                               2284   3.0-7.0   (+1 -5 =4 )    0.0   -26
 - Orion 0.2 64-bit                        2279   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - Protej 0.5.8c                           2257   3.0-9.0   (+1 -7 =4 )    0.0   -98
 - Exacto 0.e 64-bit                       2252   0.5-1.5   (+0 -1 =1 )    0.0   -77
 - MadChess 1.4 64-bit                     2249   4.0-8.0   (+4 -8 =0 )    0.1   -85
 - Mango Paola Ajedrez 4.1                 2246   3.5-8.5   (+2 -7 =3 )    0.1   -87
 - Fischerle 0.9.50 64-bit                 2244  10.0-12.0  (+8 -10=4 )    0.6   +23
 - Absolute Zero 2.4.0.0 64-bit            2243   2.0-0.0   (+2 -0 =0 )    0.3  +INF
 - AliChess 4.06                           2234   4.5-5.5   (+2 -3 =5 )    1.8   +23
 - Neurosis 2.3                            2213   4.5-5.5   (+3 -4 =3 )   10.9    -6
 - Jazz 501 32-bit                         2205   4.0-6.0   (+2 -4 =4 )   21.4   -46
 - Carballo 0.8                            2196   0.5-1.5   (+0 -1 =1 )   34.4  -133
 - NG-Play 9.85 64-bit                     2191  11.5-10.5  (+9 -8 =5 )   43.4   +21
 - EXchess 5.04b 64-bit                    2188   7.0-3.0   (+5 -1 =4 )   49.6  +120
 - Prophet 2.0 64-bit                      2178  11.0-9.0   (+9 -7 =4 )   67.7   +28
 - ProChess 1.02AD                         2163   6.0-6.0   (+4 -4 =4 )   89.2   -24
 - Chesley r323 64-bit                     2163   6.0-4.0   (+6 -4 =0 )   89.1   +61
 - Waxman 2008                             2140   7.5-2.5   (+6 -1 =3 )   99.0  +123
 - Raven 0.50 64-bit                       2138   8.0-4.0   (+6 -2 =4 )   98.5   +63
 - Napoleon 1.5.0 64-bit                   2123  12.5-7.5   (+9 -4 =7 )   99.9   +20
 - BikJump 2.01 64-bit                     2120   7.0-3.0   (+5 -1 =4 )  100.0   +64
 - Clarabit 1.00 64-bit                    2105   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Jabba 1.0 64-bit                        2078   6.5-3.5   (+5 -2 =3 )  100.0    -8
 - RamJet 0.12                             2076   4.5-5.5   (+3 -4 =3 )  100.0  -142


Created in 2005-2013 by CCRL team
Last games added on February 20, 2021