Individual Calculations December 2017
 Simmonds, Rex  Total change: -15.60  Rating chartPersonal card
 2017 Norths John Purdy Memorial Open Sydney AUS 2017-09-12
RcRownchangeKK*chgGame
 1269 1624 1.00 2 -0.78 20 -15.60 
  Di-Ienno, Mathew 1314 AUS0.001-0.8620-17.20 
  Gram, Otto 1224  * AUS1.0010.08201.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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