Individual Calculations March 2021
 Powalka, Michal  Total change: 6.20  Rating chartPersonal card
 Druzynowe Mistrzostwa Mazowsza 2021 Round 1-3 mazowieckie POL 2021-01-31
RcRownchangeKK*chgGame
 1886 1963 2.00 3 0.31 20 6.20 
  Sielicki, Tomasz 1997 POL1.0010.552011.00 
  Wrzodak, Jaroslaw 1563  * POL1.0010.08201.60 
  Gawronski, Miroslaw 2097 POL0.001-0.3220-6.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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