CCRL Blitz
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 2'506'279 games
played by 2'984 programs

White wins: 963'662 (38.4%)
Black wins: 771'889 (30.8%)
Draws: 770'728 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 34 engines!
34 selected engines played 52 games with each other



CCRL Blitz Rating List - Custom engine selection
2506279 games played by 2984 programs, run by 22 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "About" page.
Computed on April 17, 2021 with Bayeselo based on 2'506'279 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/404/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Ethereal 12.75 64-bit 8CPU              3541  +13  -13  44.5%  +36.4  1676
  Ethereal 12.25 64-bit 4CPU              3468  +21  -21  47.8%  +14.6   627
  Ethereal 12.50 64-bit 4CPU              3465  +17  -17  50.1%   -0.8   898
  Ethereal 12.00 64-bit 4CPU              3442  +15  -15  47.9%  +14.5  1333
  Ethereal 11.75 64-bit 4CPU              3427  +18  -18  44.6%  +37.3   966
  Ethereal 11.50 64-bit 4CPU              3415  +14  -13  44.8%  +35.4  1682
  Ethereal 12.75 64-bit                   3404  +12  -12  51.1%   -1.9  2131
  Ethereal 11.25 64-bit 4CPU              3391  +14  -14  47.0%  +18.0  1545
  Ethereal 11.00 64-bit 4CPU              3382  +17  -17  52.2%  -15.3  1012
  Ethereal 12.50 64-bit                   3377  +16  -16  46.3%  +29.5  1128
  Ethereal 12.00 64-bit                   3371  +18  -18  56.5%  -38.8   896
  Ethereal 12.25 64-bit                   3370  +15  -15  51.5%   -2.2  1318
  Ethereal 11.75 64-bit                   3346  +15  -15  50.8%   -3.2  1338
  Ethereal 11.50 64-bit                   3321  +15  -14  56.5%  -41.4  1514
  Ethereal 11.25 64-bit                   3304  +18  -18  43.8%  +38.2   945
  Ethereal 11.00 64-bit                   3301  +14  -14  57.3%  -47.4  1766
  Ethereal 10.00 64-bit                   3143  +13  -13  52.4%  -13.7  2025
  Ethereal 9.30 64-bit 4CPU               3119  +29  -29  54.5%  -28.5   364
  Ethereal 9.00 64-bit 4CPU               3087  +19  -19  50.5%   -5.6   909
  Ethereal 9.65 64-bit                    3073  +16  -16  50.8%   -5.8  1243
  Ethereal 9.30 64-bit                    3043  +25  -25  51.8%  -15.2   520
  Ethereal 8.81 64-bit 4CPU               3029  +22  -22  44.3%  +36.4   682
  Ethereal 9.00 64-bit                    2983  +18  -18  57.0%  -44.8  1043
  Ethereal 8.81 64-bit                    2945  +24  -24  45.2%  +33.1   580
  Ethereal 8.61 64-bit                    2862  +22  -22  51.5%  -11.1   656
  Ethereal 8.37 64-bit                    2826  +19  -19  50.8%   -5.8   963
  Ethereal 8.28 64-bit                    2754  +17  -17  57.6%  -53.0  1172
  Ethereal 8.16 64-bit                    2629  +20  -20  46.8%  +22.3   864
  Ethereal 8.00 64-bit                    2614  +19  -19  48.4%  +12.0  1013
  Ethereal 8.13 64-bit                    2607  +27  -27  47.9%  +13.6   458
  Ethereal 8.12 64-bit                    2594  +26  -26  46.5%  +25.1   508
  Ethereal 7.78 64-bit                    2585  +20  -20  49.9%   -0.3   913
  Ethereal 7.60 64-bit                    2448  +18  -18  50.1%   -0.7  1204
  Ethereal 7.33 64-bit                    2166  +40  -38  75.9% -209.0   301

Created in 2005-2013 by CCRL team
Last games added on April 17, 2021