Individual Calculations September 2023
 Cheng, Alex  Total change: 3.20  Rating chartPersonal card
 18th annual Indianapolis Open - Major Indianapolis, IN USA 2023-08-25
RcRownchangeKK*chgGame
 1824 1705 1.50 4 0.08 40 3.20 
  Hanke, Harvey 1894 USA0.001-0.2540-10.00 
  Zheng, Marcus 1700 USA0.001-0.5140-20.40 
  Carr, Jay A 1696 USA1.0010.494019.60 
  Herron, Mike 2004 USA0.5010.354014.00 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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