Individual Calculations April 2013
 Bosnjak, Petar  Total change: 3.90  Rating chartPersonal card
 6th CUP of CU Osjecko-baranjska zupanija for 2013 Osijek CRO 2013-03-08
RcRownchangeKK*chgGame
 1972 2056 1.50 2 0.26 15 3.90 
  Prekratic, Marijan 1942 CRO1.0010.34155.10 
  Lovric, Petar 2002 CRO0.501-0.0815-1.20 

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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