CCRL 40/4
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 2'127'795 games
played by 2'486 programs
28766 CPU days (X2 4600+)

White wins: 825'412 (38.8%)
Black wins: 667'151 (31.4%)
Draws: 635'232 (29.9%)
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
2127795 games played by 2486 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 CPU.
Computed on November 8, 2019 with Bayeselo based on 2'127'795 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Colossus 2008b                     2642   +7   -7  48.1%  +14.1  9212
  Colossus 2007d                     2611  +13  -13  47.5%  +17.7  2264
  Colossus 2008a                     2593  +28  -28  41.9%  +54.9   456
  Colossus 2007c                     2586  +15  -15  46.9%  +23.0  1600
  Colossus 2007b                     2571  +21  -21  47.1%  +19.7   765
  Colossus 2007a                     2558  +16  -16  44.0%  +43.3  1404
  Colossus 2006f                     2544  +18  -18  47.1%  +20.3  1125
  Colossus 2006d                     2486  +29  -30  38.4%  +86.6   421

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