CCRL 40/4
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 1'671'765 games
played by 1'982 programs
22445 CPU days (X2 4600+)

White wins: 653'018 (39.1%)
Black wins: 530'657 (31.7%)
Draws: 488'090 (29.2%)
White score: 53.7%

Engine Details

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FireFly 2.7.2 64-bit in CCRL 40/4, 2018-02-17
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:
FireFly 2.7.2 64-bit is #271 with rating of 2257 Elo points (+18 -18),
based on 1056 games: 410 wins, 391 losses and 255 draws
Score: 50.9%, Average opponent: −4.9, Draws: 24.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Chezzz 1.0.3                       2323  12.5-15.5  (+9 -12=7 )    0.0   +25
 - RubiChess 0.7 64-bit               2314  16.0-19.0  (+10-13=12)    0.0   +28
 - Asterisk 0.6                       2307  11.5-15.5  (+10-14=3 )    0.0    -9
 - Tytan 9.32 64-bit                  2302  15.0-14.0  (+11-10=8 )    0.0   +54
 - Resp 0.19 64-bit Nobook            2298  13.0-14.0  (+12-13=2 )    0.0   +22
 - Dimitri 3.81                       2294  18.5-13.5  (+15-10=7 )    0.3   +94
 - Chaturanga 2.4.3                   2282  21.0-39.0  (+17-35=8 )    8.1   -92
 - Popochin 3.2                       2273  17.5-14.5  (+13-10=9 )    6.1   +45
 - Paladin 0.1 64-bit                 2273  15.5-14.5  (+13-12=5 )    9.6   +27
 - Rival 1.0.1 64-bit                 2269  26.5-34.5  (+17-25=19)   16.9   -35
 - Esc 1.16                           2264  13.5-18.5  (+8 -13=11)   26.3   -45
 - Butcher 1.61 64-bit                2264  19.5-12.5  (+16-9 =7 )   28.0   +90
 - KMTChess 1.2.1 64-bit              2263  18.5-10.5  (+17-9 =3 )   35.5  +117
 - Natwarlal 0.14                     2260  16.5-15.5  (+12-11=9 )   40.3   +16
 - Napoleon 1.8 64-bit                2250  18.5-12.5  (+14-8 =9 )   71.6   +55
 - Robocide 20170718 64-bit           2243  36.0-25.0  (+28-17=16)   87.1   +47
 - Drosophila 1.4 64-bit              2242  15.5-14.5  (+12-11=7 )   84.5    -3
 - Ant 2006-F                         2236  12.5-19.5  (+10-17=5 )   98.1  -107
 - Anechka 0.08                       2235  14.0-18.0  (+9 -13=10)   98.6   -64
 - GopherCheck 0.2.3 64-bit           2234  28.0-31.0  (+20-23=16)   96.8   -42
 - Dorpsgek Eves-Temptation 64-bit    2233  18.5-11.5  (+15-8 =7 )   96.0   +62
 - AliChess 4.25                      2233  18.0-14.0  (+12-8 =12)   98.8   +16
 - Isa 2.0.61 64-bit                  2230  18.5-13.5  (+15-10=7 )   97.9   +30
 - Joker2 0.7.7 64-bit                2223  27.0-32.0  (+19-24=16)   99.2   -64
 - Exacto 0.e 64-bit                  2215  14.5-13.5  (+12-11=5 )  100.0   -27
 - Buzz 0.08 64-bit                   2214  18.0-11.0  (+15-8 =6 )  100.0   +46
 - RamJet 0.13                        2211  14.5-14.5  (+12-12=5 )  100.0   -47
 - CT800 1.12 64-bit                  2205  16.5-13.5  (+13-10=7 )  100.0   -13
 - SjaakII 1.3.0 64-bit               2197  19.0-10.0  (+14-5 =10)  100.0   +40
 - Protej 0.5.8c                      2174  13.5-13.5  (+10-10=7 )  100.0   -84


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018