Individual Calculations January 2009
 Idani, Pouya  Total change: 3.90  Rating chartPersonal card
 World Youth Chess Championships 2008 - Open 14 Vung Tau VIE 2008-10-20
RcRownchangeKK*chgGame
 2209 2067 2.50 7 0.26 15 3.90 
  Chua, Xing-Jian Graham f2229 SIN1.0010.711510.65 
  Zhou, Yang-Fan 2276 ENG1.0010.771511.55 
  Lagarde, Maxime f2332 FRA0.001-0.1815-2.70 
  Moussard, Jules f2293 FRA0.001-0.2115-3.15 
  Kotainy, Jens 2210 GER0.001-0.3115-4.65 
  Sathyanandha, Saravanan 1951 ENG0.501-0.1615-2.40 
  Baboyan, Eduard 2170 RUS0.001-0.3615-5.40 

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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