Rapid: Individual Calculations December 2021
 Seo, Ian  Total change: -9.00  Rating chartPersonal card
 Mistrzostwa Mazowsza Juniorow w Szachach Szybkich do 11 lat Warszawa POL 2021-11-21
RcRownchangeKK*chgGame
 1227 1218 2.00 5 -0.45 20 -9.00 
  Nurkiewicz, Anna 1069 POL1.0010.30206.00 
  Ladon, Tymoteusz 1128 POL1.0010.38207.60 
  Klim, Juliusz 1411 POL0.001-0.2520-5.00 
  Mielcuch, Karol 1165 POL0.001-0.5720-11.40 
  Krogulski, Maksymilian 1361 POL0.001-0.3120-6.20 

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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