Individual Calculations July 2009
 Qin, Joey  Total change: -5.25  Rating chartPersonal card
 2009 RA Winter Open Ottawa CAN 2009-01-16
RcRownchangeKK*chgGame
 2094 2145 1.50 3 -0.21 25 -5.25 
  Mayo, Alvah 2056 CAN0.001-0.6225-15.50 
  Moffat, Andrei 2131 CAN0.501-0.0225-0.50 
  Palsson, Halldor Peter 2094 CAN1.0010.432510.75 

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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