CCRL 40/15
Downloads and Statistics
February 20, 2021
Testing summary:
Total: 1'218'554 games
played by 2'788 programs

White wins: 418'779 (34.4%)
Black wins: 308'204 (25.3%)
Draws: 491'571 (40.3%)
White score: 54.5%

Custom engine selection

Comparing 33 engines!
33 selected engines played 150 games with each other



CCRL 40/15 Rating List - Custom engine selection
1218554 games played by 2788 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 February 20, 2021 with Bayeselo based on 1'218'554 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Ethereal 12.75 64-bit 4CPU              3394  +18  -18  48.7%   +9.8   858
  Ethereal 12.25 64-bit 4CPU              3365  +22  -22  49.3%   +5.6   544
  Ethereal 12.00 64-bit 4CPU              3352  +22  -22  50.9%   -3.4   564
  Ethereal 11.75 64-bit 4CPU              3347  +21  -21  47.3%  +15.0   614
  Ethereal 11.53 64-bit 4CPU              3325  +22  -22  52.3%  -12.8   542
  Ethereal 12.75 64-bit                   3319  +14  -14  48.1%  +15.8  1436
  Ethereal 12.50 64-bit                   3300  +17  -17  50.8%   -1.9   924
  Ethereal 11.25 64-bit 4CPU              3299  +21  -21  46.3%  +24.3   588
  Ethereal 11.00 64-bit 4CPU              3298  +19  -19  47.0%  +18.2   778
  Ethereal 12.25 64-bit                   3290  +15  -15  53.1%  -15.6  1236
  Ethereal 10.55 64-bit 4CPU              3274  +25  -25  49.8%   -2.0   488
  Ethereal 12.00 64-bit                   3264  +14  -14  48.1%  +13.0  1535
  Ethereal 11.75 64-bit                   3261  +15  -15  46.6%  +24.4  1286
  Ethereal 11.53 64-bit                   3245  +14  -14  52.2%  -12.1  1484
  Ethereal 11.25 64-bit                   3236  +14  -13  49.4%   +2.6  1560
  Ethereal 11.00 64-bit                   3222  +14  -14  47.0%  +17.8  1552
  Ethereal 10.55 64-bit                   3189  +18  -18  49.2%   +4.6   951
  Ethereal 10.00 64-bit 4CPU              3188  +20  -20  53.4%  -22.8   788
  Ethereal 10.00 64-bit                   3090  +15  -15  50.7%   -1.1  1286
  Ethereal 9.00 64-bit 4CPU               3050  +23  -23  46.8%  +18.4   570
  Ethereal 9.65 64-bit                    3040  +17  -17  54.4%  -29.2  1005
  Ethereal 9.30 64-bit                    3003  +25  -25  50.5%   -3.3   460
  Ethereal 9.00 64-bit                    2967  +18  -18  48.6%   +8.7  1006
  Ethereal 8.62 64-bit 4CPU               2930  +22  -22  44.2%  +35.9   600
  Ethereal 8.62 64-bit                    2884  +24  -24  47.5%  +15.0   563
  Ethereal 8.37 64-bit                    2815  +27  -27  52.1%  -14.6   438
  Ethereal 8.28 64-bit                    2745  +29  -29  48.9%   +4.4   370
  Ethereal 8.19 64-bit                    2685  +23  -23  52.8%  -18.2   592
  Ethereal 8.02 64-bit                    2622  +31  -31  52.0%  -14.6   369
  Ethereal 8.12 64-bit                    2612  +26  -26  51.9%  -12.1   509
  Ethereal 8.05 64-bit                    2599  +28  -28  48.1%  +12.2   430
  Ethereal 7.78 64-bit                    2585  +24  -24  52.2%  -14.6   571
  Ethereal 7.70 64-bit                    2511  +31  -31  47.1%  +15.9   365

Created in 2005-2013 by CCRL team
Last games added on February 20, 2021