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 22 engines!
22 selected engines played 0 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
Igel 2.9.0 64-bit 8CPU                  3511  +15  -15  42.3%  +50.4  1364
  Igel 2.9.0 64-bit                       3361  +13  -13  39.2%  +77.6  1832
  Igel 2.8.0 64-bit                       3342  +16  -16  47.7%  +16.0  1148
  Igel 2.7.0 64-bit                       3286  +17  -17  48.0%  +16.0  1088
  Igel 2.5.0 64-bit 4CPU                  3244  +24  -24  52.9%  -17.8   492
  Igel 2.4.0 64-bit 4CPU                  3191  +19  -19  48.9%   +7.3   817
  Igel 2.3.1 64-bit 4CPU                  3158  +15  -15  61.4%  -71.9  1511
  Igel 2.6.0 64-bit                       3153  +19  -19  50.1%   -0.4   848
  Igel 2.5.0 64-bit                       3127  +18  -18  46.0%  +24.6   996
  Igel 2.4.0 64-bit                       3088  +20  -20  52.1%  -13.7   770
  Igel 2.3.1 64-bit                       3072  +22  -22  58.1%  -59.4   666
  Igel 2.1.0 64-bit 4CPU                  3030  +20  -20  52.6%  -27.1   759
  Igel 2.2.2 64-bit                       2986  +20  -20  47.3%  +17.8   765
  Igel 2.0.0 64-bit                       2925  +21  -21  49.9%   -1.5   734
  Igel 1.8.2 64-bit 4CPU                  2859  +31  -31  47.8%  +14.3   348
  Igel 1.9.0 64-bit 4CPU                  2854  +25  -26  42.8%  +45.9   491
  Igel 1.5.1 64-bit 4CPU                  2831  +30  -29  57.8%  -55.8   400
  Igel 1.9.0 64-bit                       2809  +27  -28  44.6%  +40.3   461
  Igel 1.8.2 64-bit                       2759  +19  -19  47.5%  +17.1   989
  Igel 1.5.1 64-bit                       2714  +18  -19  49.6%   +2.0  1033
  Igel 1.5 64-bit                         2697  +25  -25  54.6%  -31.4   559
  Igel 1.4 64-bit                         2634  +20  -20  41.5%  +63.9   958

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