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 19 engines!
19 selected engines played 60 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
Counter 3.7 64-bit                      2970  +24  -24  50.3%   -3.9   493
  Counter 3.5 64-bit                      2906  +19  -19  53.0%  -22.3   915
  Counter 3.4 64-bit                      2880  +20  -20  47.6%  +17.3   741
  Counter 3.2 64-bit 4CPU                 2851  +32  -32  50.7%   -4.6   301
  Counter 3.3 64-bit                      2847  +23  -23  49.9%   +1.3   616
  Counter 3.2 64-bit                      2834  +19  -18  50.0%   -1.5   932
  Counter 3.1 64-bit                      2784  +20  -20  51.4%   -9.9   804
  Counter 3.0 64-bit                      2730  +28  -28  48.1%  +11.9   414
  Counter 2.9 64-bit                      2713  +24  -24  49.6%   +1.2   578
  Counter 2.7 64-bit                      2673  +27  -27  52.8%  -19.5   448
  Counter 2.8 64-bit                      2671  +25  -25  52.3%  -15.5   526
  Counter 2.6 64-bit                      2633  +25  -25  51.7%  -12.7   543
  Counter 2.1.0 64-bit                    2574  +24  -24  47.6%  +18.8   552
  Counter 2.0.2 64-bit                    2560  +26  -25  52.2%  -16.0   500
  Counter 1.2                             2469  +17  -17  48.2%  +12.6  1139
  Counter 1.99 64-bit                     2463  +32  -32  46.7%  +19.6   332
  Counter 1.1                             2456  +23  -23  50.8%   -8.4   632
  Counter 1.0                             2373  +32  -32  50.3%   -4.3   312
  Counter 0.8                             2352  +32  -32  48.6%  +11.2   312

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