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%

Custom engine selection

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



CCRL 40/40 Rating List - Custom engine selection
1083337 games played by 2531 programs, run by 23 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 September 14, 2019 with Bayeselo based on 1'083'337 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank              Engine                Elo   +    -   Score  AvOp  Games
Spike 1.4 Leiden 4CPU             3017  +11  -11  45.2%  +29.3  2862
  Spike 1.4 Leiden                  2915   +8   -8  45.3%  +30.6  5894
  Spike 1.2 Turin                   2746   +7   -7  45.6%  +28.3  8111
  Spike 1.1                         2689  +15  -15  49.2%   +4.6  1462
  Spike 1.0a                        2649  +19  -18  46.1%  +26.5   942

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