Individual Calculations June 2021
 Boulos, Paul  Total change: -67.20  Rating chartPersonal card
 Tournois des espoirs de Marseille Echecs Mai 2021 - Tournoi B MARSEILLE FRA 2021-05-22
RcRownchangeKK*chgGame
 1587 1736 2.50 6 -1.68 40 -67.20 
  Charlier, Antoine 1622 FRA0.501-0.1640-6.40 
  Alfano, Emilie 1617 FRA1.0010.344013.60 
  Motoyama, Wesley Winsen 1522 FRA0.001-0.7740-30.80 
  Charlier, Antoine 1622 FRA0.001-0.6640-26.40 
  Alfano, Emilie 1617 FRA1.0010.344013.60 
  Motoyama, Wesley Winsen 1522 FRA0.001-0.7740-30.80 

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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