Individual Calculations May 2023
 Ahlin, Johannes  Total change: -1.20  Rating chartPersonal card
 Landskrona KM 2023 R567 Landskrona SWE 2023-04-04
RcRownchangeKK*chgGame
 1568 1580 1.00 2 -0.03 40 -1.20 
  Barr, Olof 1501 SWE0.001-0.6140-24.40 
  Nilsson, Sven 1957 1634 SWE1.0010.584023.20 

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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