Individual Calculations October 2012
 Gorecka, Joanna  Total change: 12.00  Rating chartPersonal card
 Extraliga Seniorow - Round 4-6 Gorzow Wlkp. POL 2012-09-14
 2323 2109 1.50 3 0.80 15 12.00 
  Czarnota, Dorota wm2219 POL1.0010.65159.75 
  Michna, Marta wg2380 GER0.001-0.1715-2.55 
  Zawadzka, Jolanta wg2371 POL0.5010.32154.80 

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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