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 24 engines!
24 selected engines played 0 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
RubiChess 2.0 NN-375bd 64-bit 8CPU      3509  +16  -16  42.7%  +45.2  1099
  RubiChess 2.0 NN-375bd 64-bit           3383  +15  -15  37.3%  +91.9  1368
  RubiChess 1.7.3 64-bit 4CPU             3359  +28  -28  45.7%  +28.9   380
  RubiChess 1.9 64-bit                    3344  +16  -16  45.8%  +30.5  1188
  RubiChess 1.6.1.1 64-bit 4CPU           3291  +14  -14  49.2%   +4.5  1572
  RubiChess 1.6 64-bit 4CPU               3263  +16  -16  46.4%  +17.9  1216
  RubiChess 1.8 64-bit                    3253  +16  -16  49.3%   +4.4  1245
  RubiChess 1.7.3 64-bit                  3244  +20  -20  46.2%  +25.0   797
  RubiChess 1.7.1 64-bit                  3242  +18  -18  47.0%  +17.1   920
  RubiChess 1.6.1.1 64-bit                3208  +18  -18  43.6%  +39.0   977
  RubiChess 1.5 64-bit 4CPU               3190  +25  -25  52.5%  -16.6   479
  RubiChess 1.6 64-bit                    3186  +16  -16  48.6%   +8.4  1216
  RubiChess 1.4 64-bit 4CPU               3135  +25  -25  47.9%  +13.5   480
  RubiChess 1.5 64-bit                    3126  +16  -17  50.9%   -5.8  1164
  RubiChess 1.3 64-bit 4CPU               3105  +23  -23  58.7%  -63.7   635
  RubiChess 1.4 64-bit                    3050  +18  -18  50.1%   -0.0   931
  RubiChess 1.3 64-bit                    2971  +19  -19  52.1%  -16.4  1019
  RubiChess 1.1 64-bit                    2780  +14  -14  55.0%  -41.4  1686
  RubiChess 1.0 64-bit                    2651  +17  -17  47.4%  +19.7  1171
  RubiChess 0.9 64-bit                    2504  +19  -19  52.2%  -13.1   946
  RubiChess 0.8 64-bit                    2456  +15  -15  49.0%   +8.3  1496
  RubiChess 0.7 64-bit                    2309  +24  -23  56.2%  -43.4   653
  RubiChess 0.6 64-bit                    2158  +19  -19  62.1%  -95.4  1113
  RubiChess 0.5 64-bit                    1925  +25  -25  51.5%  -10.4   586

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