CCRL 40/4
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 1'579'577 games
played by 1'866 programs
21113 CPU days (X2 4600+)

White wins: 617'996 (39.1%)
Black wins: 503'684 (31.9%)
Draws: 457'897 (29.0%)
White score: 53.6%

Engine Details

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Cheng 4.39 64-bit 4CPU in CCRL 40/4, 2017-11-18
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, 2005-2017, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Cheng 4.39 64-bit 4CPU is #30-31 with rating of 3069 Elo points (+18 -18),
based on 1020 games: 219 wins, 327 losses and 474 draws
Score: 44.7%, Average opponent: +32.2, Draws: 46.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Fizbo 1.8 64-bit 4CPU              3243  17.5-34.5  (+5 -22=25)    0.0   +74
 - Andscacs 0.872 64-bit 4CPU         3235  13.5-38.5  (+2 -27=23)    0.0   +17
 - Booot 6.1 64-bit 4CPU              3183  12.0-28.0  (+3 -19=18)    0.0   -11
 - Fizbo 1.7 64-bit 4CPU              3177  21.0-31.0  (+9 -19=24)    0.0   +49
 - Elektro 1.2 64-bit 4CPU            3172  18.0-34.0  (+8 -24=20)    0.0    +2
 - Hannibal 1.5 64-bit 4CPU           3164  18.5-33.5  (+5 -20=27)    0.0   +10
 - Texel 1.06 64-bit 4CPU             3152  16.0-36.0  (+4 -24=24)    0.0   -35
 - Naum 4.6 64-bit 4CPU               3148  16.5-35.5  (+5 -24=23)    0.0   -34
 - Chiron 3.01 64-bit 4CPU            3139  19.5-32.5  (+7 -20=25)    0.0    -5
 - Texel 1.05 64-bit 4CPU             3138  13.0-19.0  (+7 -13=12)    0.0    +7
 - Pedone 1.5 64-bit 4CPU             3097  13.0-21.0  (+6 -14=14)    1.4   -44
 - Protector 1.9.0 64-bit 4CPU        3065  28.5-23.5  (+17-12=23)   62.6   +25
 - Bouquet 1.8 64-bit 4CPU            3064  27.0-23.0  (+15-11=24)   67.4   +22
 - Vajolet2 2.2 64-bit 4CPU           3062  24.5-27.5  (+9 -12=31)   72.8   -22
 - Pedone 1.4.1 64-bit 4CPU           3059  28.5-23.5  (+10-5 =37)   78.6   +13
 - Rybka 2.3.2a 64-bit 4CPU           3043  26.5-25.5  (+14-13=25)   99.2   -20
 - Deep Shredder 12 64-bit 4CPU       3040  28.5-23.5  (+18-13=21)   99.9    +1
 - Bobcat 7.6 64-bit 4CPU             3029  28.5-23.5  (+15-10=27)   99.9   -14
 - Deep Junior 13.3 64-bit 4CPU       3023  29.0-23.0  (+20-14=18)  100.0    -6
 - Gaviota 1.0 64-bit 4CPU            2982  31.0-21.0  (+20-10=22)  100.0   -26
 - Tornado 8.0 64-bit 4CPU            2841  25.5-6.5   (+20-1 =11)  100.0   -24


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017