Individual Calculations September 2011
 Upper, John  Total change: -15.90  Rating chartPersonal card
 2011 Eastern Ontario Open Ottawa, Ontario CAN 2011-06-30
RcRownchangeKK*chgGame
 1970 1987 1.00 4 -1.06 15 -15.90 
  Kalra, Agastya 1717 CAN0.001-0.8315-12.45 
  Ritchie, Gordon 2038 CAN1.0010.57158.55 
  Qin, Joey 2159 CAN0.001-0.2715-4.05 
  Eng, Randel 1964 USA0.001-0.5315-7.95 

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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