CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Cheng 4.39 64-bit 4CPU in CCRL 40/4, 2019-07-20
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, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Cheng 4.39 64-bit 4CPU is #47 with rating of 3065 Elo points (+16 -16),
based on 1326 games: 268 wins, 459 losses and 599 draws
Score: 42.8%, Average opponent: +45.1, Draws: 45.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Fizbo 1.8 64-bit 4CPU              3247  17.5-34.5  (+5 -22=25)    0.0   +82
 - Andscacs 0.872 64-bit 4CPU         3238  13.5-38.5  (+2 -27=23)    0.0   +24
 - Booot 6.1 64-bit 4CPU              3187  12.0-28.0  (+3 -19=18)    0.0    -3
 - Fizbo 1.7 64-bit 4CPU              3184  21.0-31.0  (+9 -19=24)    0.0   +60
 - Elektro 1.2 64-bit 4CPU            3175  18.0-34.0  (+8 -24=20)    0.0    +9
 - Nemorino 5.00 64-bit 4CPU          3171  18.0-34.0  (+7 -23=22)    0.0    +7
 - Hannibal 1.5 64-bit 4CPU           3169  18.5-33.5  (+5 -20=27)    0.0   +19
 - Texel 1.06 64-bit 4CPU             3157  16.0-36.0  (+4 -24=24)    0.0   -26
 - Wasp 3.50 64-bit 4CPU              3151   5.0-24.0  (+2 -21=6 )    0.0  -169
 - Naum 4.6 64-bit 4CPU               3151  16.5-35.5  (+5 -24=23)    0.0   -27
 - Chiron 3.01 64-bit 4CPU            3145  19.5-32.5  (+7 -20=25)    0.0    +4
 - Texel 1.05 64-bit 4CPU             3142  13.0-19.0  (+7 -13=12)    0.0   +14
 - Protector 1.9.0 64-bit 4CPU        3127  41.0-51.0  (+23-33=36)    0.0   +26
 - Ethereal 9.30 64-bit 4CPU          3120  13.5-25.5  (+4 -16=19)    0.0   -39
 - Wasp 3.0 64-bit 4CPU               3115  13.0-15.0  (+7 -9 =12)    0.2   +28
 - Demolito 2018-10-29 64-bit 4CPU    3103  18.0-26.0  (+7 -15=22)    0.1   -16
 - Pedone 1.5 64-bit 4CPU             3094  13.0-21.0  (+6 -14=14)    0.7   -43
 - Vajolet2 2.4 64-bit 4CPU           3082  14.5-25.5  (+6 -17=17)    7.5   -69
 - Bouquet 1.8 64-bit 4CPU            3072  27.0-23.0  (+15-11=24)   29.6   +34
 - Vajolet2 2.2 64-bit 4CPU           3067  24.5-27.5  (+9 -12=31)   44.4   -13
 - Pedone 1.4.1 64-bit 4CPU           3066  28.5-23.5  (+10-5 =37)   47.6   +24
 - Amoeba 3.0 64-bit 4CPU             3050  17.0-17.0  (+10-10=14)   84.3   -15
 - Rybka 2.3.2a 64-bit 4CPU           3044  26.5-25.5  (+14-13=25)   98.6   -15
 - Deep Shredder 12 64-bit 4CPU       3041  28.5-23.5  (+18-13=21)   99.7    +6
 - Bobcat 7.6 64-bit 4CPU             3034  28.5-23.5  (+15-10=27)   99.4    -5
 - Deep Junior 13.3 64-bit 4CPU       3026  29.0-23.0  (+20-14=18)  100.0     0
 - Gaviota 1.0 64-bit 4CPU            2971  31.0-21.0  (+20-10=22)  100.0   -33
 - Tornado 8.0 64-bit 4CPU            2865  25.5-6.5   (+20-1 =11)  100.0    +3


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019