Rapid: Individual Calculations May 2019
 Shabani, Sana  Total change: -16.40  Rating chartPersonal card
 Mazandaran Girls Rapid Cup U-12 Mazandaran IRI 2019-04-27
 1220 1048 0.00 3 -0.82 20 -16.40 
  Marzban, Hora 1260 IRI0.001-0.2320-4.60 
  Saadatmandi, Elina 1178 IRI0.001-0.3220-6.40 
  Rahman, Avina 1221 IRI0.001-0.2720-5.40 

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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