Individual Calculations December 2017
 Champion, Patrick  Total change: 17.40  Rating chartPersonal card
 2017 Norths John Purdy Memorial Open Sydney AUS 2017-09-12
RcRownchangeKK*chgGame
 1873 1930 6.00 9 0.87 20 17.40 
  Shaw, Ralph 1607 AUS1.0010.13202.60 
  Zekic, Mirsad 1636 AUS1.0010.15203.00 
  Clarke, Brandon G I f2319 ENG0.001-0.0920-1.80 
  James, David 1663 AUS1.0010.18203.60 
  Richards, Allan 1797 AUS1.0010.32206.40 
  Ng, Clive c2032 AUS0.5010.14202.80 
  Berezina-Feldman, Irina mwm2085 AUS0.5010.21204.20 
  Murray, Bruce D c2019 AUS0.5010.12202.40 
  Balan, Jigando 1700 IND0.501-0.2920-5.80 

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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