Individual Calculations January 2010
 Kosak, Marjan  Total change: 14.75  Rating chartPersonal card
 Slovenian 2nd League-East 2009 Maribor SLO 2009-05-30
RcRownchangeKK*chgGame
 1837 1804 1.50 2 0.59 25 14.75 
  Kolar, Drago 1879 SLO1.0010.602515.00 
  Janzekovic, Klemen 1795 SLO0.501-0.0125-0.25 

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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