Individual Calculations April 2017
 Nurmi, Tommy  Total change: 16.00  Rating chartPersonal card
 Div I Sodra 2016-17 R67 Sweden SWE 2017-03-05
RcRownchangeKK*chgGame
 2037 2073 1.50 2 0.40 40 16.00 
  Bengtsson, Jan 2023 SWE1.0010.434017.20 
  Tabaa, Ghayth 2051 SYR0.501-0.0340-1.20 

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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