Individual Calculations July 2010
 Qin, Zi Yi Joey  Total change: 14.25  Rating chartPersonal card
 2010 Eastern Ontario Open Ottawa, Ontario CAN 2010-06-11
RcRownchangeKK*chgGame
 2177 2103 3.00 5 0.95 15 14.25 
  Palsson, Halldor Peter 2035 CAN1.0010.41156.15 
  Samsonkin, Artiom m2397 CAN0.001-0.1515-2.25 
  Collins, Christian 2118 CAN1.0010.52157.80 
  Plotkin, Victor 2237 CAN0.001-0.3215-4.80 
  Doubleday, William G 2097 CAN1.0010.49157.35 

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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