Individual Calculations September 2017
 Stearman, Josiah P  Total change: 15.60  Rating chartPersonal card
 Bay Area Chess IM Tate Memorial Championship Milpitas, California USA 2017-08-18
RcRownchangeKK*chgGame
 1923 2171 2.00 2 0.39 40 15.60 
  Canessa, John 1907 USA1.0010.18407.20 
  Feng, Justin 1938 USA1.0010.21408.40 

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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