Individual Calculations July 2009
 Bozoglu, Eray Dursun  Total change: -23.25  Rating chartPersonal card
 5th World School Chess Championship - Open U13 Thessaloniki GRE 2009-04-27
RcRownchangeKK*chgGame
 1835 1821 1.00 4 -0.93 25 -23.25 
  Buyukasik, Diyap 1996 TUR0.001-0.2725-6.75 
  Sudharsan, Surya K 1721 IND0.501-0.1425-3.50 
  Batzolis, Georgios 1612 GRE0.501-0.2725-6.75 
  Rzayev, Chingiz Qafar Oglu 2011 AZE0.001-0.2525-6.25 

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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