Individual Calculations March 2015
 Miles, Richard  Total change: -3.80  Rating chartPersonal card
 44th Dyfed Chess Congress Goodwick WLS 2015-02-20
RcRownchangeKK*chgGame
 1967 2006 1.50 3 -0.19 20 -3.80 
  Orton, Paul 1657 WLS1.0010.11202.20 
  Jones, Richard S. m2405 WLS0.001-0.0820-1.60 
  Wagner, Guy 1839 WLS0.501-0.2220-4.40 

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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