Individual Calculations December 2017
 Abbott, Peter  Total change: -13.20  Rating chartPersonal card
 2017 Norths John Purdy Memorial Open Sydney AUS 2017-09-12
RcRownchangeKK*chgGame
 1712 1877 3.50 6 -0.66 20 -13.20 
  Pepping, John M 1599 AUS1.0010.17203.40 
  Talpade, Udit 1698 AUS0.501-0.2320-4.60 
  Huey, Toby 1477  * AUS0.501-0.4220-8.40 
  Feldman, Vladimir m2095 AUS0.001-0.2220-4.40 
  Jain, Kamal 1672 AUS1.0010.24204.80 
  Dibley, Shane E 1728 AUS0.501-0.2020-4.00 
 * 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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