Individual Calculations November 2009
 Petrovic, Nejc  Total change: 7.95  Rating chartPersonal card
 Slovenian 1st League-West 2009 Ljubljana SLO 2009-10-09
RcRownchangeKK*chgGame
 1952 1941 1.50 2 0.53 15 7.95 
  Rozman, Mitja 1878 SLO1.0010.41156.15 
  Ivetic, Saso 2025 SLO0.5010.12151.80 

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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