Individual Calculations September 2016
 Willathgamuwa, Kevin  Total change: 9.20  Rating chartPersonal card
 2016 Rooty Hill Open Sydney AUS 2016-07-04
RcRownchangeKK*chgGame
 1857 1950 4.50 7 0.23 40 9.20 
  Ombina, Edward P 1597 USA1.0010.11404.40 
  Ranganathan, Parunithan 1719 SRI1.0010.21408.40 
  Lane, Nancy L wm1895 AUS1.0010.424016.80 
  Camer, Angelito 1992 AUS0.5010.06402.40 
  Luchtmeijer, Anthonie Pieter 2008 AUS0.001-0.4240-16.80 
  Barker, David 1875 AUS1.0010.404016.00 
  Marner, Gavin 1912 NZL0.001-0.5540-22.00 

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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