CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Custom engine selection

Comparing 12 engines!
12 selected engines played 42 games with each other



CCRL 40/40 Rating List - Custom engine selection
1075629 games played by 2520 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 Intel CPU.
Computed on August 17, 2019 with Bayeselo based on 1'075'629 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank              Engine                Elo   +    -   Score  AvOp  Games
Deuterium 2019.1.36.50 64-bit     2952  +18  -18  50.1%   -2.1  1012
  Deuterium 2018.1.35.514 64-bit    2913  +13  -13  48.5%   +7.9  1966
  Deuterium 14.3.34.130 64-bit      2891  +12  -12  47.8%  +13.4  2159
  Deuterium 14.2.33.276 64-bit      2857  +25  -25  49.2%   +5.4   500
  Deuterium 14.1.32.119 64-bit      2809  +25  -25  50.1%   -2.0   499
  Deuterium 13.1.31.113 64-bit      2729  +26  -26  46.7%  +22.8   478
  Deuterium 12.01.30.1070 64-bit    2677  +27  -27  52.2%  -12.7   453
  Deuterium 10.01.27.213            2668  +22  -22  51.8%  -14.8   704
  Deuterium 11.02.29.107            2659  +26  -26  48.0%  +11.9   506
  Deuterium 11.01.28.159            2620  +20  -20  46.4%  +22.8   880
  Deuterium 09.01.26.492            2599  +23  -23  50.4%   -2.9   610
  Deuterium 06.08.25.04             2229  +27  -27  45.6%  +30.3   470

Created in 2005-2013 by CCRL team
Last games added on August 17, 2019