CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Custom engine selection

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



CCRL 40/4 Rating List - Custom engine selection
2097576 games played by 2442 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 Intel CPU.
Computed on September 14, 2019 with Bayeselo based on 2'097'576 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
  CT800 1.34 64-bit                  2300  +76  -73  62.5% -100.7    72
CT800 1.33 64-bit                  2274  +20  -20  48.7%   +8.4   880
  CT800 1.11 64-bit                  2239  +20  -20  46.9%  +22.7   950
  CT800 1.30 64-bit                  2229  +18  -18  48.1%  +13.3  1111
  CT800 1.32 64-bit                  2227  +20  -20  51.1%   -9.4   952
  CT800 1.20 64-bit                  2218  +16  -17  43.6%  +48.9  1353
  CT800 1.31 64-bit                  2207  +27  -27  43.4%  +48.5   480
  CT800 1.12 64-bit                  2206  +18  -18  44.3%  +45.0  1189

Created in 2005-2013 by CCRL team
Last games added on September 14, 2019