Rapid: Individual Calculations August 2023
 Kowalczyk, Julia  Total change: 4.80  Rating chartPersonal card
 Letni Puchar Folgi 2023 Gryfice POL 2023-07-22
RcRownchangeKK*chgGame
 1625 1151 0.50 4 0.12 40 4.80 
  Bochniak, Franciszek 2025 POL0.0010.00400.00 
  Kowalczyk, Michal 1595 POL0.001-0.0640-2.40 
  Klimek, Artur 1452 POL0.001-0.1540-6.00 
  Babinska, Liwia 1427 POL0.5010.334013.20 

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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