Individual Calculations July 2009
 Sibanc, Bogo  Total change: -6.60  Rating chartPersonal card
 II. Kostroj Open 2009 Slovenske Konjice SLO 2009-03-26
 2137 1899 0.00 2 -0.44 15 -6.60 
  Srebrnic, Marko f2249 SLO0.001-0.1115-1.65 
  Florjancic, Rudolf 2025 SLO0.001-0.3315-4.95 

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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