CCRL 40/15
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 1'240'737 games
played by 2'832 programs

White wins: 425'216 (34.3%)
Black wins: 312'397 (25.2%)
Draws: 503'124 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 15 engines!
15 selected engines played 0 games with each other



CCRL 40/15 Rating List - Custom engine selection
1240737 games played by 2832 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 1, 2021 with Bayeselo based on 1'240'737 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Bobcat 8.0 64-bit 4CPU                  3025  +21  -21  48.3%  +10.8   636
  Bobcat 7.6 64-bit 4CPU                  2978  +31  -31  48.6%   +8.6   318
  Bobcat 7.1 64-bit 4CPU                  2930  +31  -31  47.5%  +16.3   314
  Bobcat 8.0 64-bit                       2923  +13  -13  48.2%  +11.0  1988
  Bobcat 7.6 64-bit                       2875  +22  -22  46.0%  +25.2   604
  Bobcat 6.4b 64-bit 4CPU                 2866  +27  -27  48.3%  +11.1   415
  Bobcat 7.1 64-bit                       2847  +25  -25  52.6%  -18.0   526
  Bobcat 6.4b 64-bit                      2787  +24  -24  49.8%   -1.2   517
  Bobcat 3.25 64-bit                      2725  +17  -17  49.2%   +5.0  1150
  Bobcat 2.75 64-bit                      2707  +30  -30  50.6%   -4.2   360
  Bobcat 3.25 32-bit                      2684  +31  -31  46.9%  +23.0   351
  Bobcat 2.75 32-bit                      2659  +24  -24  47.7%  +15.0   558
  Bobcat 20110414 64-bit                  2645  +30  -30  52.4%  -17.1   356
  Bobcat 20110414 32-bit                  2570  +31  -31  49.4%   +2.3   325
  Bobcat 20110220 32-bit                  2563  +32  -32  48.7%   +7.4   311

Created in 2005-2013 by CCRL team
Last games added on May 1, 2021