CCRL Blitz
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 2'515'858 games
played by 2'996 programs

White wins: 966'865 (38.4%)
Black wins: 774'272 (30.8%)
Draws: 774'721 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 45 engines!
45 selected engines played 30 games with each other



CCRL Blitz Rating List - Custom engine selection
2515858 games played by 2996 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 May 1, 2021 with Bayeselo based on 2'515'858 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/404/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Arasan 22.1 64-bit 4CPU                 3283  +15  -15  49.2%   -6.3  1291
  Arasan 22.0 64-bit 4CPU                 3272  +14  -14  47.3%  +17.0  1617
  Arasan 21.4 64-bit 4CPU                 3256  +21  -21  44.6%  +31.2   638
  Arasan 21.3 64-bit 4CPU                 3244  +24  -24  45.6%  +27.3   494
  Arasan 21.2 64-bit 4CPU                 3205  +17  -17  52.2%  -15.2  1031
  Arasan 22.2 64-bit                      3194  +32  -32  51.2%   -6.7   295
  Arasan 21.1 64-bit 4CPU                 3193  +17  -17  51.3%   -8.8  1015
  Arasan 22.1 64-bit                      3183  +15  -15  52.1%  -12.6  1442
  Arasan 22.0 64-bit                      3179  +13  -13  48.3%  +10.0  1731
  Arasan 21.4 64-bit                      3146  +19  -19  45.2%  +31.0   838
  Arasan 20.4.1 64-bit 4CPU               3143  +18  -18  49.9%   +0.2   974
  Arasan 21.3 64-bit                      3132  +16  -16  45.2%  +30.5  1250
  Arasan 20.1 64-bit 4CPU                 3120  +24  -24  60.5%  -67.6   562
  Arasan 20.3 64-bit 4CPU                 3119  +18  -18  43.2%  +46.5   973
  Arasan 21.1 64-bit                      3117  +15  -15  49.7%   +0.8  1420
  Arasan 21.2 64-bit                      3104  +25  -25  47.8%  +12.6   453
  Arasan 20.0 64-bit 4CPU                 3085  +59  -62  27.5% +142.3    89
  Arasan 21.0 64-bit                      3066  +14  -14  44.8%  +32.4  1644
  Arasan 20.5 64-bit                      3060  +13  -13  47.6%  +14.5  1938
  Arasan 20.3 64-bit                      3053  +14  -15  51.2%   -9.3  1603
  Arasan 20.2 64-bit                      3045  +17  -17  58.9%  -65.8  1208
  Arasan 20.4.1 64-bit                    3044  +17  -17  46.0%  +25.2  1134
  Arasan 20.1 64-bit                      2996  +18  -18  47.7%  +15.3  1017
  Arasan 20.0 64-bit                      2986  +14  -14  58.5%  -64.6  1842
  Arasan 19.2 64-bit                      2979  +18  -17  48.8%   +7.9  1150
  Arasan 19.1 64-bit                      2932  +16  -16  49.1%   +5.8  1268
  Arasan 19.0.1 64-bit                    2903  +17  -17  43.7%  +42.5  1205
  Arasan 18.2 64-bit                      2899  +16  -16  50.5%   -3.0  1272
  Arasan 17.5 64-bit                      2845  +17  -17  50.8%   -5.9  1196
  Arasan 17.3 64-bit                      2792  +19  -19  46.8%  +22.6   956
  Arasan 16.3 64-bit                      2779  +25  -25  48.3%  +11.4   550
  Arasan 17.0 64-bit                      2777  +19  -19  49.0%   +6.6   947
  Arasan 16.2 64-bit                      2727  +15  -15  46.2%  +26.0  1505
  Arasan 15.1 64-bit                      2693  +15  -15  53.2%  -21.7  1466
  Arasan 14.1 64-bit                      2592  +28  -28  46.7%  +24.6   438
  Arasan 14.3 64-bit                      2583  +19  -19  43.6%  +45.5   941
  Arasan 13.2 64-bit                      2582  +16  -16  51.8%  -11.7  1501
  Arasan 13.1 64-bit                      2575  +18  -18  52.7%  -21.4  1131
  Arasan 11.3 64-bit 4CPU                 2574  +22  -22  12.5% +339.9  1386
  Arasan 12.3 64-bit                      2558  +16  -16  51.4%  -10.4  1371
  Arasan 11.7 64-bit                      2546  +14  -14  43.3%  +48.5  2036
  Arasan 12.0 64-bit                      2543  +17  -17  47.5%  +17.7  1205
  Arasan 10.0 64-bit                      2463  +15  -15  50.9%   -6.5  1638
  Arasan 9.5                              2399  +27  -27  50.8%   -9.4   533
  Arasan 9.2                              2362  +23  -23  35.9% +105.8   778

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