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 14 engines!
14 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
Bright 0.4a 4CPU                   2910  +11  -11  42.4%  +50.7  3023
  Bright 0.5c 4CPU                   2906  +14  -14  36.5%  +92.7  1715
  Bright 0.3d 4CPU                   2890  +14  -14  44.4%  +38.9  1789
  Bright 0.3b 4CPU                   2878  +13  -13  42.4%  +52.3  2093
  Bright 0.3a 4CPU                   2853  +14  -14  43.7%  +41.3  1756
  Bright 0.2c 4CPU                   2813  +17  -17  35.5% +101.3  1244
  Bright 0.4a                        2780  +10  -10  44.0%  +42.4  4353
  Bright 0.5c                        2772   +8   -8  47.1%  +21.1  7034
  Bright 0.3b                        2753  +25  -25  38.0%  +80.5   547
  Bright 0.3d                        2736  +19  -20  32.6% +128.8   995
  Bright 0.2c                        2688  +13  -13  50.8%   -4.2  2039
  Bright 0.2b                        2686  +30  -30  49.6%   -0.2   372
  Bright 0.2a                        2646  +27  -27  44.2%  +38.2   466
  Bright 0.1d                        2641  +22  -22  51.7%  -12.6   712

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