Individual Calculations March 2023
 Siudak, Tomasz  Total change: -25.60  Rating chartPersonal card
 Turniej Feryjny Polonii Wroclaw Wroclaw POL 2023-02-24
RcRownchangeKK*chgGame
 1119 1535 1.50 3 -1.28 20 -25.60 
  Gorgolewski, Michal 1141 POL0.001-0.9220-18.40 
  Jankowiak, Tymon 1081 POL0.501-0.4420-8.80 
  Czak, Jaroslaw 1135  * POL1.0010.08201.60 
 * 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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