Rapid: Individual Calculations April 2023
 Lafosse, Marcel  Total change: -0.40  Rating chartPersonal card
 Rapide de Mars a Ans 2023 Ans BEL 2023-03-14
RcRownchangeKK*chgGame
 1418 1421 2.50 5 -0.02 20 -0.40 
  Dumoulin, Patrick 1296 BEL0.501-0.1720-3.40 
  Souweine, Edwige 1147 BEL1.0010.17203.40 
  Sputael, Ludwig 1345 BEL0.501-0.1020-2.00 
  Dolmans, Theo 1642 BEL0.001-0.2220-4.40 
  Thirion, Jean-Francois 1658 BEL0.5010.30206.00 

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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