CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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FireFly 2.5.12 64-bit in CCRL 40/40, 2018-02-17
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, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
FireFly 2.5.12 64-bit has no rank with rating of 2217 Elo points (+37 -37),
based on 264 games: 108 wins, 97 losses and 59 draws
Score: 52.1%, Average opponent: −17.1, Draws: 22.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Atak 6.8                           2236  15.0-9.0   (+11-5 =8 )   17.5  +102
 - KMTChess 1.2.1 64-bit              2229   9.0-15.0  (+5 -11=8 )   29.3   -68
 - Gibbon 2.42c                       2220  11.0-13.0  (+8 -10=6 )   44.3   -24
 - Myrddin 0.85 64-bit                2219  10.5-13.5  (+7 -10=7 )   45.7   -41
 - Adam 3.3                           2212   9.0-15.0  (+6 -12=6 )   57.9   -90
 - Neurosis 2.5                       2204  12.0-12.0  (+9 -9 =6 )   72.5   -13
 - Quazar 0.2 64-bit                  2192  16.5-7.5   (+15-6 =3 )   83.7  +126
 - OBender 3.2.4.2                    2190  13.0-11.0  (+13-11=0 )   89.9   +10
 - ECE 11.01                          2179  11.0-13.0  (+8 -10=6 )   95.8   -67
 - Kurt 0.9.2.2 64-bit                2171  16.5-7.5   (+15-6 =3 )   98.3  +103
 - KnockOut 0.7.1                     2147  14.0-10.0  (+11-7 =6 )  100.0   -13


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