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 33 engines!
33 selected engines played 70 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
Scorpio 2.8 64-bit 4CPU                 2984  +25  -25  48.8%   +6.7   492
  Scorpio 2.7.9 64-bit 4CPU               2946  +22  -22  46.7%  +20.7   659
  Scorpio 3.0 MCTS 64-bit                 2899  +43  -44  45.8%  +29.1   155
  Scorpio 2.8 64-bit                      2885  +14  -14  49.2%   +4.5  1618
  Scorpio 2.7.6 64-bit 4CPU               2874  +26  -26  47.4%  +16.9   445
  Scorpio 2.9 MCTS 64-bit                 2868  +27  -27  51.0%   -4.8   420
  Scorpio 2.7.9 64-bit                    2866  +25  -25  52.3%  -16.8   500
  Scorpio 2.7.5 64-bit 4CPU               2860  +33  -33  45.7%  +24.4   266
  Scorpio 2.7.7 64-bit 4CPU               2855  +32  -32  42.9%  +45.0   310
  Scorpio 2.7.8 64-bit                    2830  +27  -27  49.0%   +5.6   440
  Scorpio 2.7.7 64-bit                    2805  +16  -16  48.3%   +9.1  1282
  Scorpio 2.7.6 64-bit                    2781  +17  -17  49.7%   +1.9  1198
  Scorpio 2.7.5 64-bit                    2777  +27  -27  49.5%   +3.0   425
  Scorpio 2.7 32-bit                      2749  +20  -20  49.0%   +8.9   826
  Scorpio 2.0 32-bit 4CPU                 2731  +24  -24  33.4% +115.1   607
  Scorpio 2.1 64-bit 4CPU                 2718  +27  -27  34.4% +109.5   490
  Scorpio 2.8.5 MCTS 64-bit               2705  +17  -17  46.7%  +23.4  1166
  Scorpio 2.7 64-bit                      2701  +27  -27  46.0%  +27.0   438
  Scorpio 2.6 32-bit                      2693  +31  -31  48.9%   +7.7   321
  Scorpio 2.6 64-bit                      2683  +28  -28  47.0%  +21.9   433
  Scorpio 1.9                             2669  +31  -31  50.1%   -4.2   362
  Scorpio 1.84                            2667  +32  -32  47.2%   +9.2   354
  Scorpio 2.5 32-bit                      2664  +32  -32  49.5%   +3.6   307
  Scorpio 1.91                            2661  +14  -13  45.7%  +29.3  1893
  Scorpio 2.02b                           2655  +30  -30  47.3%  +17.3   355
  Scorpio 2.0 32-bit                      2653  +17  -17  45.9%  +29.1  1256
  Scorpio 2.1 32-bit                      2652  +34  -34  49.1%   +4.7   280
  Scorpio 1.81                            2644  +34  -34  49.8%   +5.0   299
  Scorpio 1.8                             2640  +20  -20  47.3%  +18.9   869
  Scorpio 2.05b                           2636  +32  -32  50.5%   -2.0   306
  Scorpio 2.9 MCTS+NN 64-bit              2622  +21  -21  49.6%   +0.2   808
  Scorpio 1.7                             2604  +32  -32  49.7%   +0.2   310
  Scorpio 2.2 32-bit                      2570  +28  -28  47.1%  +20.1   417

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