CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

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FireFly 2.5.12 64-bit in CCRL 40/40, 2019-09-14
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
FireFly 2.5.12 64-bit has no rank with rating of 2218 Elo points (+37 -37),
based on 264 games: 108 wins, 97 losses and 59 draws
Score: 52.1%, Average opponent: −16.9, Draws: 22.3%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Atak 6.8                          2237  15.0-9.0   (+11-5 =8 )   17.5  +102
 - KMTChess 1.2.1 64-bit             2231   9.0-15.0  (+5 -11=8 )   27.2   -67
 - Gibbon 2.42c                      2225  11.0-13.0  (+8 -10=6 )   37.5   -20
 - Myrddin 0.85 64-bit               2219  10.5-13.5  (+7 -10=7 )   47.6   -42
 - Adam 3.3                          2211   9.0-15.0  (+6 -12=6 )   63.2   -92
 - Neurosis 2.5                      2206  12.0-12.0  (+9 -9 =6 )   70.7   -12
 - OBender 3.2.4.2                   2192  13.0-11.0  (+13-11=0 )   89.1   +11
 - Quazar 0.2 64-bit                 2190  16.5-7.5   (+15-6 =3 )   87.0  +123
 - ECE 11.01                         2180  11.0-13.0  (+8 -10=6 )   95.9   -67
 - Kurt 0.9.2.2 64-bit               2170  16.5-7.5   (+15-6 =3 )   98.7  +101
 - KnockOut 0.7.1                    2151  14.0-10.0  (+11-7 =6 )  100.0   -10


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019