Individual Calculations July 2017
 Zhao, Jeffrey Renfei  Total change: 15.60  Rating chartPersonal card
 2017 Guelph Summer ProAm U1700 Guelph CAN 2017-06-17
RcRownchangeKK*chgGame
 1159 1409 2.00 2 0.39 40 15.60 
  Xie, Austin 1218 CAN1.0010.254010.00 
  Hua, Michelle 1099 CAN1.0010.14405.60 

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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