Individual Calculations September 2021
 Zahariev, Velislav  Total change: 34.40  Rating chartPersonal card
 European Union Youth Championship 2021 (AUT) - U 08 Mureck AUT 2021-08-04
RcRownchangeKK*chgGame
 1393 1086 1.00 1 0.86 40 34.40 
  Pirtac, Alexandru 1393 DEN1.0010.864034.40 

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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