Individual Calculations June 2013
 Rahul Kumar, Pune  Total change: -17.55  Rating chartPersonal card
 Deltalift Open 2013 Halmstad SWE 2013-05-09
RcRownchangeKK*chgGame
 2017 2190 1.00 3 -1.17 15 -17.55 
  Wahlstrom, Lennart 2109 SWE1.0010.39155.85 
  Fransson, Angelina 1974 SWE0.001-0.7815-11.70 
  Astrom, Lars 1968 SWE0.001-0.7815-11.70 

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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