Individual Calculations July 2017
 Perelman, Leon  Total change: 7.80  Rating chartPersonal card
 2017 Hart House Club Championship Toronto CAN 2017-04-28
RcRownchangeKK*chgGame
 2080 1946 2.00 5 0.39 20 7.80 
  Xu, Haizhou 2103 CAN0.001-0.2920-5.80 
  Nasir, Zehn 2058 CAN0.001-0.3520-7.00 
  Yu, Jonathan 2073 CAN1.0010.672013.40 
  Moffat, Andrei 2017 CAN0.5010.10202.00 
  Plotkin, Mark 2147 CAN0.5010.26205.20 

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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