Individual Calculations April 2022
 Kaczmarek, Piotr  Total change: -1.40  Rating chartPersonal card
 Wielkopolska III Liga Szachowa 2022 Round 5-8 Ostrow Wielkopolski POL 2022-03-05
RcRownchangeKK*chgGame
 1397 1623 1.50 2 -0.07 20 -1.40 
  Dembinski, Bartosz 1443 POL1.0010.26205.20 
  Stachowiak, Bruno 1351 POL0.501-0.3320-6.60 

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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