Individual Calculations January 2012
 Palmitessa, Chiara  Total change: -10.80  Rating chartPersonal card
 World Youth Chess Championship - U 18 Girls Caldas Novas/GO BRA 2011-11-18
 1853 1966 4.50 8 -0.72 15 -10.80 
  Perera, Anjana wc1827 SRI0.501-0.1915-2.85 
  Racki, Barbara 1887 CRO0.501-0.1115-1.65 
  De Leon, Patricia 1800 URU0.501-0.2215-3.30 
  Medeiros, Thauane Ferreira 1798 BRA1.0010.28154.20 
  Visalatchi, R 1940 IND0.501-0.0415-0.60 
  Kaplan, Ebru 1849 TUR0.501-0.1615-2.40 
  Pinargote Carreno, Kassandra 1929 ECU0.001-0.5515-8.25 
  Meghara, Lylia 1790 ALG1.0010.27154.05 

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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