Individual Calculations September 2017
 Willathgamuwa, Kevin  Total change: 30.80  Rating chartPersonal card
 2017 Rooty Hill Open Sydney AUS 2017-06-19
RcRownchangeKK*chgGame
 1882 1966 5.00 7 0.77 40 30.80 
  Jain, Kamal 1677 AUS1.0010.16406.40 
  Cassettari, Peter 1787 AUS1.0010.274010.80 
  Mahmoodi, Yama 1794 AUS0.501-0.2340-9.20 
  Jones, Brian A f1996 AUS0.5010.04401.60 
  Marner, Gavin 1906 NZL1.0010.424016.80 
  Mandla, Blair c2129 AUS0.5010.22408.80 
  Tenorio, Leonardo 1884 AUS0.501-0.1140-4.40 

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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