Individual Calculations July 2013
 Sang, Tian  Total change: 7.20  Rating chartPersonal card
 2013 Washington Open Seattle, Washington USA 2013-05-25
RcRownchangeKK*chgGame
 2093 2295 2.00 2 0.48 15 7.20 
  Tiglon, Bryce 2073 USA1.0010.22153.30 
  Vrana C, Rudy 2113 USA1.0010.26153.90 

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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