Individual Calculations September 2023
 Ruch, Bernard  Total change: 5.00  Rating chartPersonal card
 1er Open International de Perros-Guirec - Open A (-2200) PERROS GUIREC FRA 2023-08-04
RcRownchangeKK*chgGame
 1836 1777 3.00 6 0.25 20 5.00 
  Lopez, Corentin 1440 FRA1.0010.12202.40 
  Pottier, Simeon 2176 FRA0.001-0.0820-1.60 
  Simon, Lionel 1574 FRA1.0010.24204.80 
  Regoli, Stephane 2256 FRA0.001-0.0520-1.00 
  Seiller, Nicolas 1629 FRA1.0010.30206.00 
  Bleuzen, Erwan 1942 FRA0.001-0.2820-5.60 

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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