CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
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
1068538 games played by 2502 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 19, 2019 with Bayeselo based on 1'068'538 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Hermann 2.8 64-bit                 2529  +16  -16  48.9%   +7.9  1322
  Hermann 2.8 32-bit                 2508  +26  -26  47.7%  +15.4   512
  Hermann 2.4 32-bit                 2501  +23  -24  50.1%   -0.6   627
  Hermann 2.5 32-bit                 2498  +20  -20  47.0%  +21.9   870
  Hermann 2.6 32-bit                 2498  +34  -33  51.5%  -11.1   302
  Hermann 2.3 32-bit                 2445  +32  -32  49.6%   +3.0   352
  Hermann 2.0                        2408  +29  -29  48.9%   +8.0   402
  Hermann 1.9                        2406  +34  -34  49.3%   +1.6   305

Created in 2005-2013 by CCRL team
Last games added on July 19, 2019