CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 25 engines!
25 selected engines played 177 games with each other



CCRL 40/4 Rating List - Custom engine selection
2120567 games played by 2479 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on October 19, 2019 with Bayeselo based on 2'120'567 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Hiarcs 14 4CPU                     3108  +12  -12  48.7%   +9.2  2323
  Hiarcs 13.2 4CPU                   3033  +13  -13  46.6%  +24.7  1945
  Hiarcs 13.1 4CPU                   3009  +12  -12  44.1%  +41.0  2531
  Hiarcs 14                          2987   +8   -8  45.9%  +30.5  6032
  Hiarcs 12 4CPU                     2941   +9   -9  47.0%  +21.4  5055
  Hiarcs 12.1 4CPU                   2938  +10  -10  46.4%  +21.8  3708
  Hiarcs 13.2                        2933  +15  -15  51.0%   -7.4  1549
  Hiarcs Paderborn 2007 4CPU         2929  +14  -14  51.2%   -7.4  1882
  Hiarcs 11.2 4CPU                   2914  +13  -13  54.0%  -26.7  1871
  Hiarcs 13.1                        2913  +18  -18  54.5%  -28.7  1002
  Hiarcs 11.1 4CPU                   2900  +14  -13  55.8%  -39.8  1790
  Hiarcs 11 4CPU                     2839  +19  -19  55.2%  -35.5   899
  Hiarcs 12                          2834  +10  -11  46.1%  +26.9  3290
  Hiarcs 12.1                        2833  +13  -13  44.6%  +36.4  2107
  Hiarcs Paderborn 2007              2819  +15  -15  47.2%  +19.6  1634
  Hiarcs 11.2                        2806  +16  -16  57.4%  -50.9  1322
  Hiarcs 11.1                        2803  +11  -11  61.2%  -76.7  2840
  Hiarcs 11                          2790  +15  -14  61.5%  -81.6  1706
  Hiarcs X50                         2756  +16  -16  51.5%  -11.0  1433
  Hiarcs X54 Hypermodern 32-bit      2749  +21  -21  50.2%   -1.6   761
  Hiarcs X54 32-bit                  2744  +16  -16  51.7%  -12.7  1392
  Hiarcs X50 Hypermodern             2742  +27  -27  48.2%  +15.4   463
  Hiarcs 10                          2735  +20  -20  49.8%   +2.3   918
  Hiarcs X54 64-bit                  2714  +36  -36  44.4%  +44.0   267
  Hiarcs 10 Hypermodern              2700  +27  -27  40.9%  +61.6   463

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