Individual Calculations September 2023
 Pierre Raji, Norah  Total change: 0.00  Rating chartPersonal card
 1er Open International de Perros-Guirec - Open B (-1600) PERROS GUIREC FRA 2023-08-04
RcRownchangeRpKK*chgGame
 1268 0 1.00 3 0.00 1143   0.00 
  Plassier, Marie Claude 1189 FRA1.0010.00 0.00 
  Dupont, Thomas 1260 FRA0.0010.00 0.00 
  Childs, Barry B 1355 ENG0.0010.00 0.00 

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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