Rapid: Individual Calculations September 2023
 Marcowski, Piotr  Total change: -16.40  Rating chartPersonal card
 Turniej Szachowy o Puchar Starosty Suskiego - Dni Jordanowa 2023 - Open Jordanow POL 2023-08-12
RcRownchangeKK*chgGame
 1215 1352 0.50 2 -0.82 20 -16.40 
  Kurczych, Jan 1371 POL0.5010.03200.60 
  Kolodziej, Robert 1058 POL0.001-0.8520-17.00 

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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