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 17 engines!
17 selected engines played 58 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
Cheng 4.39 64-bit 4CPU                  3009  +15  -15  49.4%   +3.9  1333
  Cheng4 0.38 64-bit 4CPU                 2979  +24  -24  46.0%  +23.8   531
  Cheng 4.40 64-bit                       2960  +17  -17  55.3%  -42.3  1285
  Cheng 4.39 64-bit                       2919  +11  -10  47.7%  +13.4  3060
  Cheng4 0.36c 64-bit 4CPU                2896  +30  -30  48.8%   +6.0   326
  Cheng4 0.38 64-bit                      2889  +23  -23  50.9%   -5.4   583
  Cheng4 0.36c 64-bit                     2798  +18  -18  50.4%   -3.7  1014
  Cheng4 0.36a 64-bit                     2747  +30  -30  49.1%   +7.0   370
  Cheng4 0.35a 64-bit                     2718  +30  -30  50.7%   -5.5   348
  Cheng3 1.07 64-bit                      2635  +21  -21  46.9%  +19.8   810
  Cheng3 1.07 32-bit                      2630  +26  -26  46.6%  +22.1   517
  Cheng3 1.04 32-bit                      2575  +32  -32  50.2%   -2.0   326
  Cheng3 1.06 32-bit                      2564  +30  -30  47.3%  +15.9   357
  Cheng3 1.05 32-bit                      2559  +32  -32  48.0%  +15.0   324
  Cheng3 1.03 64-bit                      2497  +32  -32  47.8%  +13.4   316
  Cheng3 1.03 32-bit                      2495  +33  -33  50.6%   -5.4   318
  Cheng3 1.02b                            2442  +33  -33  50.2%   -3.9   312

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