Individual Calculations December 2012
 Perez Sanchez, Maria  Total change: -6.60  Rating chartPersonal card
 Campeonato Regional por Equipos Murcia 2012–Segunda Division Murcia ESP 2012-10-06
 1640 1537 0.50 2 -0.22 30 -6.60 
  Reina Fernandez, Juan Jose 1649 ESP0.001-0.3530-10.50 
  Garcia De La Calera Molina, Emil 1630 ESP0.5010.13303.90 

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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