Individual Calculations January 2009
 Petrovic, David  Total change: 14.00  Rating chartPersonal card
 4th Open of Osjecko-baranjska zupanija for 2008 osijek CRO 2008-12-08
RcRownchangeKK*chgGame
 1929 1719 2.00 6 0.56 25 14.00 
  Buric, Petar 2069 CRO0.001-0.1125-2.75 
  Friedrich, Zdenko 1899 CRO0.001-0.2625-6.50 
  Kroo, Ivica 1854 CRO1.0010.682517.00 
  Truscek, Dubravko 1833 CRO1.0010.662516.50 
  Grguric, Stjepan-Kresimir 1905 CRO0.001-0.2625-6.50 
  Vlaicevic, Marin 2014 CRO0.001-0.1525-3.75 

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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