Individual Calculations September 2021
 Kostrzewski, Dawid  Total change: 6.80  Rating chartPersonal card
 Festiwal Szachowy Szachy w Ustroniu lacza pokolenia - Grupa C Ustron POL 2021-08-13
RcRownchangeKK*chgGame
 1299 1011 1.00 5 0.17 40 6.80 
  Brzezina, Piotr 1367 POL0.5010.394015.60 
  Welna, Mateusz 1403 POL0.001-0.0840-3.20 
  Matusik, Milena 1185 POL0.001-0.2740-10.80 
  Maciejewski, Robert 1296 POL0.001-0.1640-6.40 
  Kotas, Marian 1244 CZE0.5010.294011.60 

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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