Individual Calculations July 2012
 Safanowski, Tomasz  Total change: -8.70  Rating chartPersonal card
 106th YMCA Spring 2012-B Warszawa POL 2012-04-12
RcRownchangeKK*chgGame
 1904 1933 0.50 2 -0.58 15 -8.70 
  Sokolowski, Marek 1933 POL0.5010.00150.00 
  Lasota, Adam 1875 POL0.001-0.5815-8.70 

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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