CCRL 40/40
Downloads and Statistics
December 10, 2019
Testing summary:
Total: 1'104'091 games
played by 2'573 programs
150964 CPU days (X2 4600+)

White wins: 382'628 (34.7%)
Black wins: 284'145 (25.7%)
Draws: 437'318 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 3 engines!
3 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1104091 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 10, 2019 with Bayeselo based on 1'104'091 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Absolute Zero 2.4.7.2 64-bit       2294  +15  -15  50.9%   -7.9  1713
  Absolute Zero 2.4.4.0 64-bit       2269  +33  -33  48.0%  +11.7   320
  Absolute Zero 2.4.0.0 64-bit       2242  +23  -23  47.6%  +16.7   695

Created in 2005-2013 by CCRL team
Last games added on December 10, 2019