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 24 engines!
24 selected engines played 101 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
Rodent III 0.238 64-bit 4CPU            3069  +20  -20  47.2%  +15.0   742
  Rodent III 0.276 64-bit 4CPU            3067  +29  -29  49.6%   +4.0   337
  Rodent III 0.210 64-bit 4CPU            2996  +28  -28  45.1%  +33.0   402
  Rodent IV 0.30 64-bit                   2993  +36  -36  47.0%  +19.2   231
  Rodent III 0.281 64-bit                 2992  +20  -20  49.9%   +1.7   732
  Rodent IV 022 64-bit                    2988  +22  -22  48.4%  +10.8   640
  Rodent III 0.275 64-bit                 2984  +15  -15  50.3%   -1.2  1450
  Rodent III 0.238 64-bit                 2981  +15  -15  50.2%   -1.5  1445
  Rodent III 0.210 64-bit                 2936  +19  -19  49.5%   +2.6   830
  Rodent II 0.9.64 64-bit                 2915  +22  -22  50.5%   -3.7   659
  Rodent III 0.172 64-bit                 2909  +22  -22  49.7%   +2.4   620
  Rodent II 0.9.33 64-bit                 2868  +27  -27  50.8%   -8.6   419
  Rodent 1.7 64-bit                       2850  +19  -19  50.5%   -3.3   888
  Rodent II 0.8.7 64-bit                  2809  +27  -27  46.2%  +23.7   448
  Rodent 1.6 64-bit                       2804  +30  -30  49.7%   +3.1   348
  Rodent 1.5 64-bit                       2783  +21  -21  46.3%  +25.9   726
  Rodent 1.4 64-bit                       2758  +23  -23  47.9%  +14.3   629
  Rodent 1.3 64-bit                       2740  +29  -29  51.1%   -7.7   378
  Rodent 1.2 64-bit                       2689  +32  -32  47.0%  +17.3   320
  Rodent 1.0 64-bit                       2677  +27  -27  47.1%  +20.5   417
  Rodent 1.1 64-bit                       2670  +33  -32  49.5%   +2.3   306
  Rodent 0.16 64-bit                      2602  +30  -30  47.8%  +16.6   364
  Rodent 0.15 64-bit                      2573  +32  -32  50.2%   +0.2   309
  Rodent 0.10                             2538  +33  -33  51.1%   -9.8   313

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