Individual Calculations October 2012
 Jaracz, Barbara  Total change: -9.90  Rating chartPersonal card
 Extraliga Seniorow - Round 4-6 Gorzow Wlkp. POL 2012-09-14
 2270 2312 1.00 3 -0.66 15 -9.90 
  Przezdziecka, Marta wg2260 POL0.001-0.5715-8.55 
  Chlost, Marlena wf2175 POL1.0010.32154.80 
  Szczepkowska-Horowska, Karina wg2375 POL0.001-0.4115-6.15 

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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