Individual Calculations March 2017
 Lobban, Brandon  Total change: -10.80  Rating chartPersonal card
 John Powell Memorial Open 2017 Kingston JAM 2017-02-16
RcRownchangeKK*chgGame
 1703 1580 0.50 2 -0.27 40 -10.80 
  Brooks, Paul 1957 JAM0.001-0.0940-3.60 
  Walsh, Nathan 1448 JAM0.501-0.1840-7.20 

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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