Individual Calculations July 2017
 Sokhanvari, Sam W  Total change: 28.40  Rating chartPersonal card
 2017 ChessStars Orlando Sunshine Open Orlando, Florida USA 2017-06-09
RcRownchangeKK*chgGame
 2103 1900 1.50 3 0.71 40 28.40 
  Starr, Sasha 2066 CAN0.5010.22408.80 
  Acor, Corey f2289 USA0.5010.414016.40 
  Hoang, Truman 1955 USA0.5010.08403.20 

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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