Individual Calculations September 2016
 Vertkin, Sergey  Total change: 7.40  Rating chartPersonal card
 46th Annual Continental Open Sturbridge, Massachusetts USA 2016-08-11
RcRownchangeKK*chgGame
 2119 2153 2.00 3 0.37 20 7.40 
  Wu, Brandon 1863 USA1.0010.16203.20 
  Lee, Megan wm2058 USA1.0010.37207.40 
  Rohde, Michael A g2437 USA0.001-0.1620-3.20 

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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