CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 7 engines!
7 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1104002 games played by 2573 programs, run by 23 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 CPU.
Computed on December 7, 2019 with Bayeselo based on 1'104'002 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Popochin 4.1 64-bit                2393  +17  -17  50.1%   -1.5  1256
  Popochin 4.0 64-bit                2335  +28  -28  52.3%  -16.9   455
  Popochin 2.9                       2316  +31  -31  48.1%  +16.5   378
  Popochin 3.1                       2302  +34  -34  47.4%  +17.9   302
  Popochin 3.2                       2295  +18  -18  47.7%  +16.1  1121
  Popochin 3.0                       2287  +32  -32  48.1%   +8.6   314
  Popochin 2.7                       2268  +33  -34  47.6%  +18.5   310

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