Individual Calculations January 2023
 Bomark, Per-Olof  Total change: -4.00  Rating chartPersonal card
 Overharde KM 2022 R5678 Gavle SWE 2022-10-30
RcRownchangeKK*chgGame
 1627 1792 2.00 3 -0.10 40 -4.00 
  Eriksson, Bengt-Olof 1950 1572 SWE1.0010.22408.80 
  Eriksson, Mikael 1977 1494 SWE1.0010.15406.00 
  Eriksson, Stig-Ove 1814 SWE0.001-0.4740-18.80 

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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