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 23 engines!
23 selected engines played 12 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
Vajolet2 2.8 64-bit 4CPU                3183  +28  -28  47.8%  +11.6   362
  Vajolet2 2.7 64-bit 4CPU                3181  +24  -24  51.0%   -6.4   507
  Vajolet2 2.6.1 64-bit 4CPU              3134  +21  -21  50.8%   -4.3   605
  Vajolet2 2.8 64-bit                     3098  +15  -15  48.9%   +6.0  1355
  Vajolet2 2.5 64-bit 4CPU                3096  +24  -24  51.5%  -10.0   493
  Vajolet2 2.7 64-bit                     3094  +15  -15  51.0%   -8.0  1317
  Vajolet2 2.6 64-bit                     3059  +15  -15  52.3%  -15.2  1272
  Vajolet2 2.2 64-bit 4CPU                3041  +27  -27  47.0%  +15.0   423
  Vajolet2 2.4 64-bit 4CPU                3041  +19  -19  47.2%  +18.5   878
  Vajolet2 2.3 64-bit 4CPU                3026  +31  -31  45.2%  +25.8   303
  Vajolet2 2.5 64-bit                     3000  +18  -18  51.0%   -5.8   963
  Vajolet2 2.1 64-bit 4CPU                2998  +25  -25  50.9%   -4.0   462
  Vajolet2 2.4 64-bit                     2968  +21  -21  50.2%   -0.6   705
  Vajolet2 2.2 64-bit                     2959  +19  -19  50.2%   -1.4   850
  Vajolet2 2.3 64-bit                     2955  +20  -20  50.4%   -0.9   758
  Vajolet2 2.0 64-bit                     2916  +20  -20  48.9%   +6.4   784
  Vajolet2 2.1 64-bit                     2895  +24  -24  48.5%  +10.0   550
  Vajolet2 1.44 64-bit                    2875  +31  -30  52.5%  -16.8   323
  Vajolet2 1.45 64-bit                    2866  +20  -20  49.2%   +5.6   787
  Vajolet2 1.28 64-bit                    2845  +22  -22  53.1%  -20.0   656
  Vajolet 2.48                            2691  +31  -31  48.9%   +5.9   348
  Vajolet 2.03                            2661  +24  -24  51.2%  -11.8   562
  Vajolet 1.62.1                          2223  +34  -34  47.7%  +11.7   310

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