Individual Calculations February 2023
 Perruquon, Laetitia  Total change: -21.40  Rating chartPersonal card
 19e Bois-Colombes Chess Master - Open C BOIS COLOMBES FRA 2022-12-26
RcRownchangeKK*chgGame
 1269 1349 4.00 7 -0.19 20 -3.80 
  Zhang, Charly 1137 FRA0.501-0.2720-5.40 
  Berelowitch, Leon 1042 FRA1.0010.14202.80 
  Aidan, David 1253 FRA1.0010.37207.40 
  Nait-Makhlouf, Ali 1444 FRA0.001-0.3720-7.40 
  Amalot, Quentin 1212 FRA1.0010.32206.40 
  Brumant, Jean-Claude 1543 FRA0.5010.25205.00 
  Slimane, Adam 1255 FRA0.001-0.6320-12.60 

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 Janvier FRANCE FRA 2023-01-01
RcRownchangeKK*chgGame
 1507 1355 0.00 2 -0.60 20 -12.00 
  Delacourt, Frederic 1529 FRA0.001-0.2720-5.40 
  Beley, Francis 1484 FRA0.001-0.3320-6.60 

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 - Nationale 4 r4 FRANCE FRA 2023-01-14
RcRownchangeKK*chgGame
 1547 1355 0.00 1 -0.25 20 -5.00 
  Eddif, Foued 1547 FRA0.001-0.2520-5.00 

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)
 
 Team 2023 - Nationale 4 r5 FRANCE FRA 2023-01-28
RcRownchangeKK*chgGame
 1881 1355 0.00 1 -0.03 20 -0.60 
  Le Roux, Yann-Erle 1881 FRA0.001-0.0320-0.60 

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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