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 6 engines!
6 selected engines played 21 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
Chess Tiger 2007.1                 2704  +10  -10  46.4%  +23.2  3246
  Chess Tiger 2007                   2681  +12  -12  46.8%  +22.4  2219
  Chess Tiger 15                     2636  +17  -17  43.0%  +48.7  1134
  Chess Tiger 15 Gambit              2634  +33  -33  47.3%  +22.0   317
  Chess Tiger 2007 Gambit            2628  +29  -29  48.1%   +9.8   398
  Chess Tiger 2004                   2595  +26  -26  38.3%  +82.5   500

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