Individual Calculations January 2023
 Pedersen, Birger  Total change: -9.20  Rating chartPersonal card
 Alta Adventsturnering gr 2 2022 Alta NOR 2022-12-02
RcRownchangeKK*chgGame
 1324 1316 1.00 3 -0.46 20 -9.20 
  Arild, Steinar 1514 NOR0.001-0.2420-4.80 
  Solbakken, Mikkel Damtoft 1369 NOR0.5010.07201.40 
  Nielsen, Paul T 1090 NOR0.501-0.2920-5.80 

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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