Individual Calculations October 2023
 Ballabio, Pietro  Total change: -20.80  Rating chartPersonal card
 WE 9 Vijgev aan Zee - Girone 1 Vigevano ITA 2023-09-23
RcRownchangeKK*chgGame
 1887 1892 1.00 3 -0.52 40 -20.80 
  Treccozzi, Riccardo 1950 ITA1.0010.584023.20 
  Sanguinetti, Edoardo 1843 ITA0.001-0.5740-22.80 
  Rezzonico, Paolo 1867 ITA0.001-0.5340-21.20 

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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