Rapid: Individual Calculations May 2019
 Zhao, Ian  Total change: 4.60  Rating chartPersonal card
 2019 Alberta Active Championship Red Deer CAN 2019-04-13
RcRownchangeKK*chgGame
 1728 1800 2.00 3 0.23 20 4.60 
  Qin, Kevin 1556 CAN0.001-0.8020-16.00 
  Latorre, Spiro 1691 CAN1.0010.35207.00 
  Briones, Dante 1936 CAN1.0010.682013.60 

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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