Individual Calculations September 2021
 Pehlivanova, Aleksandra  Total change: 9.60  Rating chartPersonal card
 European Union Youth Championship 2021 - U8 Kouty nad Desnou CZE 2021-08-14
RcRownchangeKK*chgGame
 1218 1137 1.50 3 0.24 40 9.60 
  Sofronie, Vladimir 1495 ROU0.001-0.1040-4.00 
  Mihaylov, Bozhidar 1094 BUL0.501-0.0640-2.40 
  Cretescu, Emma 1066 ROU1.0010.404016.00 

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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