CCRL 40/4
Downloads and Statistics
April 15, 2018
Testing summary:
Total: 1'713'036 games
played by 2'011 programs
23129 CPU days (X2 4600+)

White wins: 669'108 (39.1%)
Black wins: 543'275 (31.7%)
Draws: 500'653 (29.2%)
White score: 53.7%

Engine Details

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K2 0.57 in CCRL 40/4, 2018-04-15
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
K2 0.57 has no rank with rating of 2177 Elo points (+18 -18),
based on 1159 games: 492 wins, 427 losses and 240 draws
Score: 52.8%, Average opponent: −25.6, Draws: 20.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Absolute Zero 2.4.0.0 64-bit       2258  12.5-18.5  (+10-16=5 )    0.0    +5
 - Ant 2006-F                         2236  18.5-11.5  (+16-9 =5 )    0.0  +149
 - Anechka 0.08                       2234  14.0-16.0  (+12-14=4 )    0.0   +30
 - AliChess 4.25                      2233  11.5-19.5  (+10-18=3 )    0.0   -51
 - Adam 3.3                           2223   8.0-23.0  (+6 -21=4 )    0.0  -147
 - Fischerle 0.9.60 64-bit            2223  14.0-18.0  (+12-16=4 )    0.0    -5
 - OBender 3.2.x                      2221  17.0-14.0  (+12-9 =10)    0.0   +75
 - Lozza 1.13 64-bit                  2216  17.0-15.0  (+12-10=10)    0.1   +61
 - FireFly 2.7.0 64-bit               2205  17.5-13.5  (+14-10=7 )    0.7   +75
 - Orion 0.2 64-bit                   2203  13.0-19.0  (+9 -15=8 )    1.6   -36
 - CyberPagno 2.1                     2202  14.0-18.0  (+8 -12=12)    0.6   -15
 - Chispa 4.0.3                       2200  10.0-21.0  (+6 -17=8 )    0.9  -103
 - Beowulf 2.4a 32-bit                2196  15.5-16.5  (+12-13=7 )    3.4   +10
 - RattateChess 1.0 Nosferatu         2195  14.5-15.5  (+12-13=5 )    5.5    +4
 - Shallow 1.0 64-bit                 2189  18.0-14.0  (+13-9 =10)   14.6   +55
 - Uralochka 1.1b                     2184  12.5-19.5  (+8 -15=9 )   22.6   -66
 - Madeleine 0.2                      2180  13.5-18.5  (+10-15=7 )   36.5   -54
 - Atak 6.8                           2179  17.5-13.5  (+12-8 =11)   40.8   +45
 - Mango Paola Ajedrez 1.0            2174  19.5-11.5  (+16-8 =7 )   57.8   +90
 - Protej 0.5.8c                      2173  15.0-16.0  (+13-14=4 )   63.2   -19
 - Genesis 2.0                        2169  13.0-17.0  (+9 -13=8 )   77.1   -55
 - InmiChess3.06N                     2158  14.0-16.0  (+14-16=0 )   96.2   -48
 - BlackBishop 1.0                    2153  15.5-13.5  (+11-9 =9 )   98.9     0
 - Orion 0.1 64-bit                   2151  17.5-13.5  (+13-9 =9 )   97.9   +14
 - Alarm 0.93.1                       2141  14.5-16.5  (+11-13=7 )  100.0   -57
 - Lime 66                            2140  16.0-15.0  (+12-11=8 )  100.0   -27
 - Fortress 1.62                      2131  19.0-12.0  (+15-8 =8 )  100.0   +37
 - Nesik 0.7.0 alpha                  2128  17.0-12.0  (+14-9 =6 )  100.0   +19
 - WJChess 1.64                       2126  13.5-16.5  (+12-15=3 )  100.0   -93
 - NG-Play 9.84 64-bit                2115  19.0-12.0  (+16-9 =6 )  100.0   +19
 - BikJump 2.01 64-bit                2098  18.5-13.5  (+15-10=7 )  100.0   -19
 - Wing 2.0a                          2097  22.5-7.5   (+20-5 =5 )  100.0  +118
 - Clarabit 1.00 64-bit               2096  19.5-11.5  (+16-8 =7 )  100.0   +10
 - Napoleon 1.5.0 64-bit              2076  16.0-14.0  (+12-10=8 )  100.0   -72
 - Matheus 2.3                        2053  22.5-8.5   (+20-6 =5 )  100.0   +47
 - ChessMind 0.82                     2050  17.5-12.5  (+17-12=1 )  100.0   -56
 - Barbarossa 0.1.0                   1830  19.5-2.5   (+19-2 =1 )  100.0   +25
 - Zurichess 150116                   1731  24.0-1.0   (+23-0 =2 )  100.0   +39


Created in 2005-2013 by CCRL team
Last games added on April 15, 2018