Individual Calculations September 2015
 Persson, Niklas  Total change: 4.80  Rating chartPersonal card
 Cellavision Chess Cup 2015 normal Lund SWE 2015-08-08
RcRownchangeKK*chgGame
 1491 1635 1.50 2 0.12 40 4.80 
  Willard, Hakan 1546 SWE0.501-0.1240-4.80 
  Lofgren, John 1435 SWE1.0010.24409.60 

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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