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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DoubleCheck 2.3.1 64-bit 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:
DoubleCheck 2.3.1 64-bit has no rank with rating of 2214 Elo points (+35 -35),
based on 286 games: 116 wins, 99 losses and 71 draws
Score: 53.0%, Average opponent: −19.3, Draws: 24.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Beowulf 2.4a 64-bit                2249  18.0-13.0  (+14-9 =8 )    4.2   +89
 - KMTChess 1.2.1 64-bit              2230   8.5-15.5  (+6 -13=5 )   22.8   -94
 - Myrddin 0.85 64-bit                2218  22.5-17.5  (+18-13=9 )   42.6   +47
 - Neurosis 2.5                       2206  12.5-11.5  (+9 -8 =7 )   66.8    +7
 - OBender 3.2.4.2                    2191  11.0-13.0  (+9 -11=4 )   87.5   -56
 - NagaSkaki 5.12                     2185  10.0-14.0  (+7 -11=6 )   92.8   -87
 - ECE 11.01                          2179  21.5-18.5  (+16-13=11)   95.5    -8
 - Kurt 0.9.2.2 64-bit                2169  21.0-18.0  (+17-14=8 )   98.7   -20
 - KnockOut 0.7.1                     2150  26.5-13.5  (+20-7 =13)  100.0   +45


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