Individual Calculations May 2015
 Yuan, Ziqi  Total change: 28.40  Rating chartPersonal card
 O2C Doeberl Cup 2015 - Minor Canberra AUS 2015-04-03
RcRownchangeKK*chgGame
 1738 1687 2.00 3 0.71 40 28.40 
  Qin, Tomson 1653 AUS1.0010.454018.00 
  Case, Ivan 1752 AUS1.0010.594023.60 
  Stokes, Mark C 1810 AUS0.001-0.3340-13.20 

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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