CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 13 engines!
13 selected engines played 0 games with each other



CCRL 40/15 Rating List - Custom engine selection
1242291 games played by 2843 programs, run by 24 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 May 8, 2021 with Bayeselo based on 1'242'291 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Lc0 0.27.0 w703810 64-bit 4CPU          3333  +18  -18  43.5%  +37.9   914
  Lc0 0.24.0 w591226 64-bit               3141  +31  -31  49.5%   -1.0   292
  Lc0 0.27.0 w703810 64-bit               3119  +49  -49  49.6%   +6.2   116
  Lc0 0.26.2 w703810 64-bit               3115  +30  -30  46.6%  +17.9   312
  Lc0 0.21.3 wLD2 64-bit                  3093  +33  -33  51.2%  -15.1   284
  Lc0 0.22.0 wLD2 64-bit                  3085  +35  -35  50.2%   -5.3   238
  Lc0 0.23.2 wLD2 64-bit                  3064  +36  -36  53.2%  -22.9   238
  Lc0 0.20.1 w36089 64-bit                3052  +21  -20  57.5%  -57.4   829
  Lc0 0.21.1 w11258 64-bit                2967  +37  -37  52.7%  -18.1   226
  Lc0 0.20.1 w11258 64-bit                2953  +34  -34  50.2%   -4.7   274
  Lc0 0.20.2 w32930 64-bit                2905  +32  -32  52.1%  -17.1   304
  Lc0 0.19.1 w11248 64-bit                2875  +32  -32  52.1%  -14.8   304
  Leela Chess 0.10 w323 64-bit            2651  +18  -18  52.2%  -18.1  1102

Created in 2005-2013 by CCRL team
Last games added on May 8, 2021