CCRL Blitz
Downloads and Statistics
May 9, 2021
Testing summary:
Total: 2'520'531 games
played by 3'005 programs

White wins: 968'591 (38.4%)
Black wins: 775'557 (30.8%)
Draws: 776'383 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 12 engines!
12 selected engines played 40 games with each other



CCRL Blitz Rating List - Custom engine selection
2520531 games played by 3005 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 9, 2021 with Bayeselo based on 2'520'531 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/404/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Xiphos 0.6 64-bit 8CPU                  3454  +15  -15  30.6% +128.9  1520
  Xiphos 0.6 64-bit 4CPU                  3428  +10  -10  39.5%  +69.9  3107
  Xiphos 0.5 64-bit 4CPU                  3394  +14  -14  42.9%  +47.9  1746
  Xiphos 0.6 64-bit                       3339   +9   -9  43.1%  +47.3  3796
  Xiphos 0.4 64-bit 4CPU                  3322  +18  -18  47.2%  +17.4  1038
  Xiphos 0.5 64-bit                       3304  +13  -13  44.9%  +34.6  1989
  Xiphos 0.4.18 64-bit                    3242  +18  -18  46.7%  +24.9   959
  Xiphos 0.4 64-bit                       3226  +14  -14  49.4%   +8.2  1555
  Xiphos 0.3 64-bit                       3136  +14  -14  53.4%  -29.1  1658
  Xiphos 0.1 64-bit 4CPU                  3074  +20  -20  43.5%  +40.9   804
  Xiphos 0.2 64-bit                       3062  +13  -13  53.4%  -30.1  1967
  Xiphos 0.1 64-bit                       3033  +19  -19  50.7%   -9.8   908

Created in 2005-2013 by CCRL team
Last games added on May 9, 2021