Individual Calculations January 2011
 Oreshko, Mariya  Total change: 15.00  Rating chartPersonal card
 World Youth Chess Championships 2010 - Girls under 12 Porto Carras, Chalkidiki - Greece GRE 2010-10-20
RcRownchangeKK*chgGame
 1856 1639 2.00 6 0.60 25 15.00 
  Osmak, Iulija 1979 UKR0.001-0.1225-3.00 
  Zamalova, Ramilya 1864 RUS0.001-0.2225-5.50 
  Monnisha, Gk wf1843 IND0.001-0.2425-6.00 
  Valieva, Rufina 1903 RUS0.001-0.1825-4.50 
  Schwarz, Larissa 1807 GER1.0010.722518.00 
  Ljikar, Tamara 1738 CRO1.0010.642516.00 

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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