CCRL 40/40
Downloads and Statistics
May 25, 2019
Testing summary:
Total: 1'048'225 games
played by 2'458 programs
143565 CPU days (X2 4600+)

White wins: 364'320 (34.8%)
Black wins: 271'251 (25.9%)
Draws: 412'654 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 4 engines!
4 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1048225 games played by 2458 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 May 25, 2019 with Bayeselo based on 1'048'225 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Sungorus 1.4 64-bit                2299  +18  -18  47.6%  +16.1  1173
  Sungorus 1.4 32-bit                2260  +21  -21  48.2%  +11.9   820
  Sungorus 1.3 32-bit                2254  +34  -34  52.7%  -16.0   301
  Sungorus 1.2                       2173  +26  -26  52.4%  -17.9   499

Created in 2005-2013 by CCRL team
Last games added on May 25, 2019