Individual Calculations January 2023
 Breteau-Ribeiro, Charles  Total change: 25.60  Rating chartPersonal card
 Tournoi des quatre samedis du Perreux-sur-Marne 2022-23 (-1800) r1-2 LE PERREUX SUR MARNE FRA 2022-11-19
RcRownchangeKK*chgGame
 1253 1508 1.00 1 0.19 40 7.60 
  Aidan, David 1253 FRA1.0010.19407.60 

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)
 
 Team 2023 - IDF Decembre FRANCE FRA 2022-12-01
RcRownchangeKK*chgGame
 1404 1507 1.00 1 0.36 40 14.40 
  Ribour, Philippe 1404 FRA1.0010.364014.40 

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 2023 - Nationale 4 r3 FRANCE FRA 2022-12-10
RcRownchangeKK*chgGame
 1574 1507 0.50 1 0.09 40 3.60 
  Choteau, Gurvann 1574 FRA0.5010.09403.60 

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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