CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

Custom engine selection

Comparing 6 engines!
6 selected engines played 0 games with each other



CCRL 40/4 Rating List - Custom engine selection
2143600 games played by 2509 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on December 7, 2019 with Bayeselo based on 2'143'600 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
  Chenard 2015.08.14 64-bit          1815  +38  -38  55.3%  -41.8   282
Chenard 2013.02.27 64-bit          1810  +35  -35  56.2%  -53.0   364
  Chenard 2018.03.06 64-bit          1795  +21  -21  47.7%  +19.7   916
  Chenard 2010.08.23 64-bit          1777  +15  -15  48.5%   +5.4  1880
  Chenard 2015.04.08 64-bit          1777  +19  -19  51.5%  -10.8  1039
  Chenard 2009.09.19                 1756  +18  -18  28.0% +216.1  1614

Created in 2005-2013 by CCRL team
Last games added on December 7, 2019