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 10 engines!
10 selected engines played 0 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
Marvin 3.3.2 64-bit 4CPU          2941  +36  -37  45.9%  +22.7   232
  Marvin 3.2.0 64-bit 4CPU          2921  +21  -21  53.7%  -26.4   698
  Marvin 3.3.2 64-bit               2856  +21  -20  51.9%  -12.8   748
  Marvin 3.2.0 64-bit               2837  +16  -16  48.3%   +8.7  1213
  Marvin 3.1.0 64-bit               2790  +21  -21  46.7%  +21.8   735
  Marvin 3.0.0 64-bit               2731  +24  -23  53.0%  -23.7   603
  Marvin 2.2.0 64-bit               2718  +25  -25  50.1%   -4.0   533
  Marvin 2.1.0 64-bit               2581  +26  -27  47.1%  +21.9   480
  Marvin 2.0.0 64-bit               2533  +22  -22  52.4%  -19.5   736
  Marvin 1.3.0                      1975  +24  -24  45.2%  +35.5   644

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