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 10 engines!
10 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
Marvin 3.3.2 64-bit 4CPU           2935  +37  -38  45.4%  +26.7   218
  Marvin 3.2.0 64-bit 4CPU           2922  +21  -21  53.7%  -26.4   698
  Marvin 3.3.2 64-bit                2857  +21  -21  51.9%  -12.5   748
  Marvin 3.2.0 64-bit                2837  +16  -16  48.3%   +8.9  1213
  Marvin 3.1.0 64-bit                2791  +21  -21  46.7%  +21.1   735
  Marvin 3.0.0 64-bit                2732  +23  -23  52.3%  -19.6   649
  Marvin 2.2.0 64-bit                2718  +25  -25  50.1%   -4.1   533
  Marvin 2.1.0 64-bit                2580  +26  -27  47.1%  +22.6   480
  Marvin 2.0.0 64-bit                2532  +22  -22  52.4%  -18.9   736
  Marvin 1.3.0                       1975  +24  -24  45.2%  +35.5   644

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