Individual Calculations August 2012
 Pedersen, Rick  Total change: 9.75  Rating chartPersonal card
 2012 Calgary Summer Open Calgary, Alberta CAN 2012-07-21
RcRownchangeKK*chgGame
 2023 1910 1.00 1 0.65 15 9.75 
  Miller, David 2023 CAN1.0010.65159.75 

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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