Individual Calculations February 2024
 Pietrelle, Christian  Total change: -11.40  Rating chartPersonal card
 Open de Noel 2023 de Bastia BASTIA FRA 2023-12-27
RcRownchangeKK*chgGame
 1432 1162 0.00 3 -0.57 20 -11.40 
  Frisoni, Robin 1559 FRA0.001-0.0820-1.60 
  Appietto, Andria 1285 FRA0.001-0.3320-6.60 
  Barthel, Malo 1451 FRA0.001-0.1620-3.20 

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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