CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Custom engine selection

Comparing 8 engines!
8 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1075629 games played by 2520 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 August 17, 2019 with Bayeselo based on 1'075'629 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank              Engine                Elo   +    -   Score  AvOp  Games
Bright 0.4a 4CPU                  2897  +15  -15  47.4%  +17.0  1495
  Bright 0.5c 4CPU                  2891  +22  -23  47.2%  +19.0   616
  Bright 0.3a 4CPU                  2830  +18  -18  42.4%  +51.5   988
  Bright 0.2c 4CPU                  2806  +21  -21  43.9%  +39.9   724
  Bright 0.5c                       2778  +12  -12  45.8%  +26.4  2089
  Bright 0.4a                       2776  +10  -10  45.9%  +27.0  3504
  Bright 0.3a                       2730  +19  -19  46.3%  +24.2   957
  Bright 0.2c                       2663  +26  -26  46.4%  +24.9   513

Created in 2005-2013 by CCRL team
Last games added on August 17, 2019