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 0 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
Pupsi2 0.09                        2496  +17  -17  49.3%   +3.6  1174
  Pupsi2 0.08                        2472  +18  -18  49.0%   +6.2  1116
  Pupsi2 0.07                        2427  +21  -21  47.2%  +20.5   809
  Pupsi2 0.06                        2419  +33  -33  47.0%  +21.7   314
  Pupsi 0.19                         2366  +34  -34  50.3%   -4.6   304

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