CCRL 40/4
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 1'626'652 games
played by 1'934 programs
21844 CPU days (X2 4600+)

White wins: 635'703 (39.1%)
Black wins: 517'026 (31.8%)
Draws: 473'923 (29.1%)
White score: 53.6%

Engine Details

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Joker2 0.7.7 64-bit in CCRL 40/4, 2018-01-13
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:
Joker2 0.7.7 64-bit is #282 with rating of 2221 Elo points (+25 -25),
based on 529 games: 153 wins, 203 losses and 173 draws
Score: 45.3%, Average opponent: +32.6, Draws: 32.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Amateur 2.82                       2352  10.0-18.0  (+6 -14=8 )    0.0   +31
 - Alex 2.14a 64-bit                  2345  11.5-16.5  (+5 -10=13)    0.0   +67
 - Jumbo 0.4.34 64-bit                2329   7.5-20.5  (+3 -16=9 )    0.0   -50
 - Paladin 0.1 64-bit                 2274   9.5-18.5  (+3 -12=13)    0.0   -45
 - Scidlet 3.61 64-bit                2270  15.5-12.5  (+13-10=5 )    0.0   +89
 - KMTChess 1.2.1 64-bit              2267  14.5-13.5  (+9 -8 =11)    0.3   +56
 - Esc 1.16                           2264   7.5-19.5  (+4 -16=7 )    0.1  -119
 - Natwarlal 0.14                     2261  12.0-13.0  (+9 -10=6 )    0.2   +28
 - FireFly 2.7.2 64-bit               2256  32.0-27.0  (+24-19=16)    1.3   +65
 - Robocide 20170718 64-bit           2243  12.5-15.5  (+8 -11=9 )    9.4   -14
 - Dorpsgek Eves-Temptation 64-bit    2235  11.5-18.5  (+5 -12=13)   23.4   -62
 - Anechka 0.08                       2235  16.5-11.5  (+12-7 =9 )   14.9   +73
 - AliChess 4.25                      2233  13.5-14.5  (+10-11=7 )   18.8    -1
 - Drosophila 1.4 64-bit              2233  12.5-17.5  (+5 -10=15)   25.8   -37
 - CT800 1.12 64-bit                  2206  30.0-30.0  (+24-24=12)   84.8   -15
 - Isa 2.0.48 64-bit                  2172  10.0-11.0  (+5 -6 =10)   99.8   -64
 - Baislicka 1.0 64-bit               2162  11.5-11.5  (+7 -7 =9 )  100.0   -59
 - RubiChess 0.6 64-bit               2156   1.5-0.5   (+1 -0 =1 )  100.0   +92


Created in 2005-2013 by CCRL team
Last games added on January 13, 2018