Individual Calculations July 2009
 Krejcova, Katerina  Total change: 7.95  Rating chartPersonal card
 Krajsky prebor PDSS various CZE 2008-10-19
RcRownchangeKK*chgGame
 1964 1953 1.50 2 0.53 15 7.95 
  Petrun, Milan 1974 CZE0.5010.03150.45 
  Pacovsky, Martin 1954 CZE1.0010.50157.50 

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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