Individual Calculations May 2013
 Lill, Sami  Total change: -10.95  Rating chartPersonal card
 Lund Open 2013 Lund SWE 2013-02-05
RcRownchangeKK*chgGame
 1983 1885 0.00 2 -0.73 15 -10.95 
  Arvidsson, Erik 1978 SWE0.001-0.3715-5.55 
  Quinn, David 1987 SWE0.001-0.3615-5.40 

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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