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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FireFly 2.7.2 64-bit 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:
FireFly 2.7.2 64-bit is #262 with rating of 2268 Elo points (+23 -23),
based on 692 games: 278 wins, 250 losses and 164 draws
Score: 52.0%, Average opponent: −13.1, Draws: 23.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Chezzz 1.0.3                       2323  12.5-15.5  (+9 -12=7 )    0.0   +14
 - Asterisk 0.6                       2307  11.5-15.5  (+10-14=3 )    0.1   -20
 - Tytan 9.32 64-bit                  2302  15.0-14.0  (+11-10=8 )    0.6   +43
 - Resp 0.19 64-bit Nobook            2299  13.0-14.0  (+12-13=2 )    0.8   +12
 - Dimitri 3.81                       2294  18.5-13.5  (+15-10=7 )    4.5   +82
 - Popochin 3.2                       2274  17.5-14.5  (+13-10=9 )   33.2   +35
 - Rival 1.0.1 64-bit                 2269  12.5-18.5  (+9 -15=7 )   48.9   -70
 - KMTChess 1.2.1 64-bit              2267  18.5-10.5  (+17-9 =3 )   52.4  +110
 - Butcher 1.61 64-bit                2264  19.5-12.5  (+16-9 =7 )   61.5   +79
 - Esc 1.16                           2264  13.5-18.5  (+8 -13=11)   64.7   -56
 - Natwarlal 0.14                     2260  16.5-15.5  (+12-11=9 )   74.4    +5
 - Napoleon 1.8 64-bit                2252  18.5-12.5  (+14-8 =9 )   87.3   +46
 - Robocide 20170718 64-bit           2246  36.0-25.0  (+28-17=16)   92.4   +39
 - Ant 2006-F                         2235  12.5-19.5  (+10-17=5 )   99.6  -119
 - Anechka 0.08                       2235  14.0-18.0  (+9 -13=10)   99.7   -75
 - AliChess 4.25                      2234  18.0-14.0  (+12-8 =12)   99.7    +6
 - GopherCheck 0.2.3 64-bit           2230  12.0-17.0  (+9 -14=6 )   99.4  -101
 - Joker2 0.7.7 64-bit                2222  14.5-14.5  (+11-11=7 )   99.4   -47
 - Buzz 0.08 64-bit                   2215  18.0-11.0  (+15-8 =6 )  100.0   +36
 - Exacto 0.e 64-bit                  2215  14.5-13.5  (+12-11=5 )  100.0   -38
 - RamJet 0.13                        2213  14.5-14.5  (+12-12=5 )  100.0   -56
 - SjaakII 1.3.0 64-bit               2202  19.0-10.0  (+14-5 =10)  100.0   +34


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