CCRL 40/15
Downloads and Statistics
March 3, 2021
Testing summary:
Total: 1'221'210 games
played by 2'800 programs

White wins: 419'452 (34.3%)
Black wins: 308'564 (25.3%)
Draws: 493'194 (40.4%)
White score: 54.5%

Custom engine selection

Comparing 15 engines!
15 selected engines played 40 games with each other



CCRL 40/15 Rating List - Custom engine selection
1221210 games played by 2800 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 March 3, 2021 with Bayeselo based on 1'221'210 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Topple 0.7.5 64-bit 4CPU                3060  +29  -29  53.2%  -19.8   360
  Topple 0.8.0 64-bit                     3010  +24  -24  45.8%  +24.8   534
  Topple 0.7.5 64-bit                     2982  +17  -17  49.2%   +3.4  1079
  Topple 0.7.4 64-bit                     2930  +30  -30  51.0%   -8.1   340
  Topple 0.7.3 64-bit                     2909  +23  -23  49.7%   -0.2   579
  Topple 0.7.1 64-bit                     2888  +25  -25  52.2%  -17.7   470
  Topple 0.7.2 64-bit                     2885  +20  -20  51.6%  -11.0   785
  Topple 0.7.0 64-bit                     2813  +27  -27  48.9%   +8.8   418
  Topple 0.6.1 64-bit                     2807  +19  -19  50.5%   -2.7   888
  Topple 0.5.0 64-bit                     2805  +27  -27  49.7%   +1.6   440
  Topple 0.3.5 64-bit                     2741  +30  -30  48.8%   +4.8   368
  Topple 0.4.0 64-bit                     2710  +25  -25  49.3%   +6.1   536
  Topple 0.3.3 64-bit                     2616  +19  -19  52.5%  -18.6   904
  Topple 0.2.1 64-bit                     2459  +18  -18  46.3%  +27.6  1242
  Topple 0.1.1 64-bit                     2359  +22  -22  53.3%  -29.9   808

Created in 2005-2013 by CCRL team
Last games added on March 3, 2021