Individual Calculations December 2021
 Zerafa, Jonathan  Total change: 1.40  Rating chartPersonal card
 30eme Open International d'Echecs de Caen - Open A CAEN FRA 2021-10-30
RcRownchangeKK*chgGame
 1899 2067 4.00 6 -0.22 20 -4.40 
  Schmitt, Bastien 1852 FRA0.501-0.2720-5.40 
  Vukojevic Ferrari, Viktor 1684 BEL1.0010.09201.80 
  Maze, Sebastien g2467  * FRA0.001-0.0820-1.60 
  Denizet, Briac 1899 FRA0.501-0.2220-4.40 
  Fontaine, Olivier 1769 FRA1.0010.15203.00 
  Cappan, Pjotr 1721 BEL1.0010.11202.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 Team 2022 - Nationale 4 r2 FRANCE FRA 2021-11-14
RcRownchangeKK*chgGame
 1942 2072 1.00 1 0.32 20 6.40 
  Hornes, Daiane 1942 BRA1.0010.32206.40 

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)
 
 Team 2022 - Coupe de France 2e Tour FRANCE FRA 2021-11-28
RcRownchangeKK*chgGame
 2049 2072 0.50 1 -0.03 20 -0.60 
  Levitt, Olivier 2049 FRA0.501-0.0320-0.60 

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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