CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
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
1066603 games played by 2494 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Computed on July 11, 2019 with Bayeselo based on 1'066'603 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Tucano 7.06 64-bit                 2848  +21  -21  49.7%   -3.2   704
  Tucano 7.07 64-bit                 2840  +18  -18  48.6%  +10.1   994
  Tucano 7.00 64-bit                 2823  +19  -19  52.2%  -17.8   860
  Tucano 7.05 64-bit                 2823  +29  -29  51.4%   -8.4   388
  Tucano 6.00 64-bit                 2723  +16  -16  47.4%  +15.9  1369
  Tucano 5.00 64-bit                 2678  +18  -18  49.7%   +0.9   987
  Tucano 4.00 64-bit                 2665  +25  -25  50.3%   -1.6   546
  Tucano 3.00 64-bit                 2620  +24  -24  48.1%  +12.0   562
  Tucano 2.00 64-bit                 2572  +30  -31  47.4%  +16.8   345
  Tucano 1.04                        2540  +30  -30  47.2%  +17.1   359

Created in 2005-2013 by CCRL team
Last games added on July 11, 2019