Individual Calculations September 2010
 Plotkin, Victor  Total change: -12.45  Rating chartPersonal card
 2010 Hart House Summer Open Toronto, Ontario CAN 2010-07-02
RcRownchangeKK*chgGame
 2157 2248 1.00 3 -0.83 15 -12.45 
  Whissell, Mavros 2027 CAN1.0010.22153.30 
  Wu, Aaron 1974 CAN0.001-0.8315-12.45 
  Gerzhoy, Leonid m2471 CAN0.001-0.2215-3.30 

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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