Individual Calculations January 2015
 Kalyva, Kyriaki  Total change: -0.40  Rating chartPersonal card
 7th youth u16 Greek National team championship 2014 - finals Vrahati - Korinthos GRE 2014-12-12
RcRownchangeKK*chgGame
 1458 1467 1.00 2 -0.01 40 -0.40 
  Hrysogelou, Athanasia-Panagiota 1737 GRE0.001-0.1740-6.80 
  Kolyva, Ioanna 1179 GRE1.0010.16406.40 

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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