Individual Calculations December 2016
 Armstrong, Gary  Total change: -75.60  Rating chartPersonal card
 2016 Norths John Purdy Memorial Open Sydney AUS 2016-09-06
RcRownchangeKK*chgGame
 1739 1792 1.50 6 -1.89 40 -75.60 
  Champion, Patrick 1964 AUS1.0010.734029.20 
  Russell, Paul 1882 AUS0.001-0.3840-15.20 
  Stern, David 1736 AUS0.501-0.0840-3.20 
  Vowles, Justin 1750 AUS0.001-0.5640-22.40 
  Simmonds, Rex 1588 AUS0.001-0.7640-30.40 
  Coey, Andrew 1512 AUS0.001-0.8440-33.60 

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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