Individual Calculations October 2012
 Czarnota, Dorota  Total change: -17.25  Rating chartPersonal card
 Extraliga Seniorow - Round 4-6 Gorzow Wlkp. POL 2012-09-14
 2181 2219 0.50 3 -1.15 15 -17.25 
  Gorecka, Joanna wf2109 POL0.001-0.6515-9.75 
  Przezdziecka, Marta wg2260 POL0.001-0.4415-6.60 
  Chlost, Marlena wf2175 POL0.501-0.0615-0.90 

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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