Individual Calculations February 2023
 Boudre, Jean-Pierre  Total change: -3.80  Rating chartPersonal card
 Team 2023 - Nationale 2 r5 FRANCE FRA 2023-01-15
RcRownchangeKK*chgGame
 1911 2255 0.50 1 -0.38 10 -3.80 
  Vandervorst, Jean-Marc 1911 FRA0.501-0.3810-3.80 

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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