CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 7 engines!
7 selected engines played 110 games with each other



CCRL 40/40 Rating List - Custom engine selection
1097085 games played by 2561 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 November 8, 2019 with Bayeselo based on 1'097'085 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Ares 1.005.2.1 64-bit              2420  +21  -21  52.4%  -15.6   723
  Ares 1.005 64-bit                  2418  +18  -18  47.4%  +17.5  1008
  Ares 1.005.2 64-bit                2411  +17  -18  48.2%  +11.7  1126
  Ares GB 64-bit                     2386  +15  -15  47.5%  +15.2  1679
  Ares 1.004                         2373  +16  -16  49.4%   +2.7  1395
  Ares 1.003a                        2304  +34  -34  52.1%  -16.4   291
  Ares 1.0                           2258  +30  -30  46.4%  +22.8   379

Created in 2005-2013 by CCRL team
Last games added on November 8, 2019