Individual Calculations November 2020
 Martinsson, Tommy  Total change: 8.80  Rating chartPersonal card
 Kalltorp KM 2020 R1 2 Goteborg SWE 2020-10-06
RcRownchangeKK*chgGame
 1542 1777 2.00 2 0.44 20 8.80 
  Ljungberg, Lars 1438 SWE1.0010.12202.40 
  Preutz, Joacim 1646 SWE1.0010.32206.40 

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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