Individual Calculations January 2010
 Zelenka, Katarzyna  Total change: 0.75  Rating chartPersonal card
 III Senior,League of Malopolska Krakow POL 2009-10-17
RcRownchangeKK*chgGame
 1595 1559 0.50 1 0.05 15 0.75 
  Tracz, Marcelina 1595 POL0.5010.05150.75 

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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