Individual Calculations January 2015
 Pitre, H G  Total change: -1.80  Rating chartPersonal card
 2014 Oregon Open Portland, Oregon USA 2014-08-30
RcRownchangeKK*chgGame
 2064 1908 0.50 2 -0.09 20 -1.80 
  Rupel, David 2052 USA0.5010.19203.80 
  Bartron, Paul R f2076 USA0.001-0.2820-5.60 

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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