Individual Calculations September 2011
 Francia Arzapalo, Gianella  Total change: 12.90  Rating chartPersonal card
 XXII Torneo Panamericano de Ajedrez de la Juventud 2011 U-10 Femenino Cali COL 2011-07-02
RcRownchangeKK*chgGame
 1608 1426 1.00 2 0.43 30 12.90 
  Varela, Maria De Los Angeles 1747 COL1.0010.873026.10 
  Ortiz, Anahi 1469 ECU0.001-0.4430-13.20 

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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