Individual Calculations November 2009
 Valdizon, Armando  Total change: -11.55  Rating chartPersonal card
 2009 RA Fall Open Section A Ottawa, Ontario CAN 2009-09-25
RcRownchangeKK*chgGame
 2221 2148 0.50 3 -0.77 15 -11.55 
  Sambuev, Bator g2463 RUS0.001-0.1415-2.10 
  Dunn, David 2098 CAN0.501-0.0715-1.05 
  Doubleday, William 2102 CAN0.001-0.5615-8.40 

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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