Individual Calculations July 2011
 Posuniak, Weronika  Total change: -10.00  Rating chartPersonal card
 Mistrzostwa Mazowsza Juniorow - U12 Warszawa POL 2011-06-11
RcRownchangeKK*chgGame
 1556 1517 0.50 2 -0.40 25 -10.00 
  Dabrowski, Mikolaj 1434 POL0.001-0.6125-15.25 
  Kaniewska, Emilia 1678 POL0.5010.21255.25 

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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