Individual Calculations January 2012
 Ambanwela, Lumbini  Total change: -0.90  Rating chartPersonal card
 World Youth Chess Championship - U 18 Girls Caldas Novas/GO BRA 2011-11-18
 1865 1786 3.50 9 -0.06 15 -0.90 
  Saranya, J wf2069 IND0.001-0.1615-2.40 
  Matute Loja, Belen 1953 ECU1.0010.721510.80 
  Jardim, Daphne Tofano wc1991 BRA0.001-0.2415-3.60 
  Orlova, Yelizaveta wc1955 CAN0.001-0.2815-4.20 
  Shyngys Kyzy, Aijarkyn 1751 KGZ0.001-0.5515-8.25 
  Medeiros, Thauane Ferreira 1798 BRA0.5010.02150.30 
  Webb-Liddle, Miranda 1489 AUS1.0010.15152.25 
  Morales Flores, Monserrat 1898 CHI0.5010.15152.25 
  Quino, Khssa 1881 BOL0.5010.13151.95 

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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