Individual Calculations January 2010
 Udapitiyage, Samasha Sayanjalee  Total change: -15.00  Rating chartPersonal card
 World Youth Chess Championship-u16g Antalya TUR 2009-11-12
 1890 1740 1.00 5 -0.60 25 -15.00 
  Ognerubova, Anastasia wf2077 RUS0.001-0.1225-3.00 
  Sop, Selen 1906 TUR0.5010.22255.50 
  Nasriddinzoda, Marvorii 1987 TJK0.001-0.1925-4.75 
  Diril, Isil 1585 TUR0.501-0.2125-5.25 
  Arnatskaya, Zoya 1893 RUS0.001-0.3025-7.50 

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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