Individual Calculations April 2021
 Jonsson, Berny  Total change: -16.40  Rating chartPersonal card
 Nybro KM 2020/21 R456 Nybro SWE 2021-03-01
RcRownchangeKK*chgGame
 1633 1667 0.50 1 -0.05 20 -1.00 
  Williamsson, Johnny 1633 SWE0.501-0.0520-1.00 

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)
 
 Nybro KM 2020/21 R7 Nybro SWE 2021-03-22
RcRownchangeKK*chgGame
 1459 1667 0.00 1 -0.77 20 -15.40 
  Andersson, Lennart 1459 SWE0.001-0.7720-15.40 

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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