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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K2 0.57 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:
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: +21.8, Draws: 25.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Gibbon 2.60a 64-bit                2338   0.5-1.5   (+0 -1 =1 )    0.0    +8
 - Plisk 0.2.6 64-bit                 2329   2.0-8.0   (+2 -8 =0 )    0.0  -137
 - 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                       2316   6.5-3.5   (+6 -3 =1 )    0.0  +255
 - Waxman 2013                        2313   0.5-1.5   (+0 -1 =1 )    0.0   -30
 - NoraGrace 1.0 64-bit               2308   3.0-7.0   (+3 -7 =0 )    0.0   -57
 - nanoSzachy 3.0                     2301   2.0-8.0   (+0 -6 =4 )    0.0   -80
 - FireFly 2.7.0 64-bit               2286   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - Zeus 1.28                          2283   3.0-7.0   (+1 -5 =4 )    0.0   -27
 - Orion 0.2 64-bit                   2278   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - Protej 0.5.8c                      2252   3.0-9.0   (+1 -7 =4 )    0.0  -103
 - Exacto 0.e 64-bit                  2251   0.5-1.5   (+0 -1 =1 )    0.0   -78
 - Mango Paola Ajedrez 4.1            2249   3.5-8.5   (+2 -7 =3 )    0.1   -84
 - MadChess 1.4 64-bit                2248   4.0-8.0   (+4 -8 =0 )    0.1   -86
 - Fischerle 0.9.50 64-bit            2243  10.0-12.0  (+8 -10=4 )    0.6   +22
 - Absolute Zero 2.4.0.0 64-bit       2242   2.0-0.0   (+2 -0 =0 )    0.4  +INF
 - AliChess 4.06                      2233   4.5-5.5   (+2 -3 =5 )    1.8   +22
 - Neurosis 2.3                       2210   4.5-5.5   (+3 -4 =3 )   13.6    -9
 - Jazz 501 32-bit                    2204   4.0-6.0   (+2 -4 =4 )   21.5   -47
 - Carballo 0.8                       2195   0.5-1.5   (+0 -1 =1 )   34.1  -134
 - NG-Play 9.85 64-bit                2190  11.5-10.5  (+9 -8 =5 )   43.3   +20
 - EXchess 5.04b 64-bit               2187   7.0-3.0   (+5 -1 =4 )   48.9  +119
 - Prophet 2.0 64-bit                 2179  11.0-9.0   (+9 -7 =4 )   62.7   +29
 - ProChess 1.02AD                    2163   6.0-6.0   (+4 -4 =4 )   88.2   -24
 - Chesley r323 64-bit                2162   6.0-4.0   (+6 -4 =0 )   88.8   +60
 - Raven 0.50 64-bit                  2136   8.0-4.0   (+6 -2 =4 )   98.5   +61
 - Waxman 2008                        2134   7.5-2.5   (+6 -1 =3 )   99.5  +117
 - Napoleon 1.5.0 64-bit              2123  12.5-7.5   (+9 -4 =7 )   99.9   +20
 - BikJump 2.01 64-bit                2117   7.0-3.0   (+5 -1 =4 )  100.0   +61
 - Clarabit 1.00 64-bit               2105   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Jabba 1.0 64-bit                   2077   6.5-3.5   (+5 -2 =3 )  100.0    -9
 - RamJet 0.12                        2075   4.5-5.5   (+3 -4 =3 )  100.0  -143


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