Individual Calculations March 2017
 Robertson, Jim  Total change: 2.60  Rating chartPersonal card
 Perth Congress Major 2017 Perth SCO 2017-02-17
RcRownchangeKK*chgGame
 1695 1644 1.00 2 0.13 20 2.60 
  D, Allesio Marco 1582 SCO1.0010.41208.20 
  Borras, Carbonell Adria 1808 ESP0.001-0.2820-5.60 

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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