CCRL 40/15
Downloads and Statistics
July 11, 2020
Testing summary:
Total: 1'160'846 games
played by 2'685 programs

White wins: 400'696 (34.5%)
Black wins: 296'236 (25.5%)
Draws: 463'914 (40.0%)
White score: 54.5%

Custom engine selection

Comparing 26 engines!
26 selected engines played 159 games with each other



CCRL 40/15 Rating List - Custom engine selection
1160846 games played by 2685 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 15 minutes on an Intel i7-4770k.
Computed on July 11, 2020 with Bayeselo based on 1'160'846 games
Tested by CCRL team, 2005-2020, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Naum 4.6 64-bit 4CPU                    3095  +14  -14  48.1%  +11.8  1544
  Naum 4.2 64-bit 4CPU                    3061  +10  -10  44.2%  +36.6  3290
  Naum 4.1 64-bit 4CPU                    3054  +27  -26  57.8%  -50.9   436
  Naum 4 64-bit 4CPU                      3042  +16  -16  58.1%  -53.2  1262
  Naum 4.6 64-bit                         3012  +12  -12  47.1%  +12.8  2238
  Naum 4.2 64-bit                         2976   +9   -9  47.4%  +15.0  4018
  Naum 3.1 64-bit 4CPU                    2968  +18  -18  57.7%  -52.3   986
  Naum 4.2 32-bit                         2958  +10  -10  52.7%  -16.8  3167
  Naum 3 64-bit 4CPU                      2956  +18  -18  59.2%  -61.9   946
  Naum 4 64-bit                           2954  +13  -13  58.1%  -55.1  1905
  Naum 4.1 32-bit                         2953  +21  -21  58.7%  -52.7   702
  Naum 4.1 64-bit                         2951  +21  -21  57.9%  -53.0   676
  Naum 4 32-bit                           2930  +14  -14  60.2%  -63.5  1669
  Naum 2.2 64-bit 4CPU                    2904  +18  -17  55.9%  -37.9  1018
  Naum 2.1 64-bit 4CPU                    2864  +21  -21  53.2%  -21.0   687
  Naum 3.1 64-bit                         2860  +18  -18  49.3%   +5.2   967
  Naum 3 64-bit                           2857  +19  -19  55.1%  -34.9   891
  Naum 3.1 32-bit                         2857  +16  -16  54.6%  -31.8  1324
  Naum 3 32-bit                           2851  +17  -17  54.6%  -32.2  1041
  Naum 2.2 64-bit                         2797  +25  -25  51.0%   -9.0   483
  Naum 2.2 32-bit                         2793  +15  -15  53.1%  -18.9  1357
  Naum 2.1 32-bit                         2743  +20  -20  51.4%  -11.7   847
  Naum 2.0 32-bit                         2697  +15  -15  51.0%   -8.1  1558
  Naum 2.0 64-bit                         2696  +23  -23  51.5%   -8.7   618
  Naum 1.91 64-bit                        2610  +15  -15  46.8%  +23.3  1467
  Naum 1.91 32-bit                        2605  +15  -15  46.4%  +24.7  1440

Created in 2005-2013 by CCRL team
Last games added on July 11, 2020