CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 27 engines!
27 selected engines played 167 games with each other



CCRL 40/40 Rating List - Custom engine selection
1068538 games played by 2502 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 19, 2019 with Bayeselo based on 1'068'538 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Hiarcs 14 4CPU                     3053  +13  -13  42.8%  +44.1  1894
  Hiarcs 13.2 4CPU                   2982  +18  -18  41.7%  +53.8  1025
  Hiarcs 14                          2961  +10  -10  46.3%  +23.3  3136
  Hiarcs 12.1 4CPU                   2904  +15  -15  40.9%  +58.6  1417
  Hiarcs 13.2                        2896  +10  -11  45.6%  +31.8  3045
  Hiarcs 12 4CPU                     2893  +15  -15  49.8%   +3.3  1450
  Hiarcs Paderborn 2007 4CPU         2891  +19  -19  43.9%  +38.8   892
  Hiarcs 12 Sharpen PV On 4CPU       2890  +21  -21  54.0%  -27.0   722
  Hiarcs 11.1 4CPU                   2876  +17  -17  52.3%  -15.8  1088
  Hiarcs 13.1                        2874  +14  -14  45.8%  +27.6  1640
  Hiarcs 11 4CPU                     2862  +35  -35  52.8%  -18.8   251
  Hiarcs 11.2 4CPU                   2862  +27  -27  46.4%  +23.7   455
  Hiarcs 12.1                        2817  +11  -11  45.3%  +29.3  2662
  Hiarcs 12 Sharpen PV On            2813  +14  -14  48.3%  +11.1  1718
  Hiarcs 12                          2809  +14  -14  46.4%  +24.0  1768
  Hiarcs Paderborn 2007              2795  +18  -18  47.1%  +22.1  1013
  Hiarcs 11.1                        2789  +14  -15  53.3%  -21.1  1507
  Hiarcs 11                          2776  +25  -25  53.3%  -20.5   511
  Hiarcs 11.2                        2769  +19  -19  51.1%   -7.3   900
  Hiarcs X54 64-bit                  2759  +34  -35  49.1%   +4.6   265
  Hiarcs X54 Hypermodern 32-bit      2756  +29  -29  53.2%  -25.6   404
  Hiarcs X50 Hypermodern             2755  +30  -30  50.7%   -4.4   373
  Hiarcs X50                         2744  +19  -19  49.8%   +1.5   938
  Hiarcs 10                          2740  +16  -16  51.6%   -8.9  1317
  Hiarcs X54 32-bit                  2730  +32  -32  54.1%  -26.1   314
  Hiarcs 10 Hypermodern              2718  +20  -20  51.9%  -10.4   799
  Hiarcs 9                           2628  +19  -20  45.1%  +33.1   871

Created in 2005-2013 by CCRL team
Last games added on July 19, 2019