CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 5 engines!
5 selected engines played 30 games with each other



CCRL 40/40 Rating List - Custom engine selection
1066603 games played by 2494 programs, run by 22 testers
Ponder off, General books (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.
Computed on July 11, 2019 with Bayeselo based on 1'066'603 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Spike 1.4 Leiden 4CPU              3016  +10  -11  45.2%  +29.4  2862
  Spike 1.4 Leiden                   2915   +8   -8  45.1%  +31.5  5781
  Spike 1.2 Turin                    2745   +7   -7  45.6%  +28.5  8101
  Spike 1.1                          2689  +15  -15  49.2%   +3.9  1462
  Spike 1.0a                         2649  +19  -19  46.1%  +26.3   940

Created in 2005-2013 by CCRL team
Last games added on July 11, 2019