Individual Calculations November 2009
 Barclay, Wayne  Total change: 14.25  Rating chartPersonal card
 2009 RA Fall Open Section A Ottawa, Ontario CAN 2009-09-25
RcRownchangeKK*chgGame
 2188 2202 2.50 3 0.95 15 14.25 
  Pacey, Kevin 2230 CAN1.0010.54158.10 
  Xiong, Jerry 2045 CAN0.501-0.2115-3.15 
  Hamilton, Robert f2288 CAN1.0010.62159.30 

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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