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 15 engines!
15 selected engines played 60 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
Cheese 2.0 64-bit 4CPU                  2842  +30  -30  45.8%  +26.4   355
  Cheese 2.2 64-bit                       2835  +23  -23  49.7%   +1.9   627
  Cheese 2.1 64-bit                       2780  +19  -19  48.3%  +10.4   928
  Cheese 2.0 64-bit                       2762  +13  -13  47.4%  +17.8  2017
  Cheese 1.9 64-bit                       2704  +15  -15  48.9%   +8.8  1382
  Cheese 1.8 64-bit                       2683  +20  -20  51.2%   -8.5   858
  Cheese 1.7 64-bit                       2678  +22  -21  51.9%  -14.4   699
  Cheese 1.6.1 64-bit                     2544  +22  -23  46.9%  +20.4   653
  Cheese 1.5 64-bit                       2519  +27  -27  51.0%   -7.5   458
  Cheese 1.4 64-bit                       2470  +20  -20  51.8%  -14.4   851
  Cheese 1.4 32-bit                       2441  +32  -32  50.6%   -5.3   324
  Cheese 1.3b 32-bit                      2313  +34  -34  48.8%   +7.1   303
  Cheese 1.3                              2309  +17  -17  48.5%  +10.4  1223
  Cheese 1.1b                             2308  +33  -33  51.0%   -6.0   312
  Cheese 1.2                              2261  +34  -34  51.0%   -6.2   300

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