Individual Calculations May 2023
 Kolodziejczyk, Boris  Total change: 20.80  Rating chartPersonal card
 XXXIIIe Open du Perreux-sur-Marne - Tournoi Principal -2200 LE PERREUX SUR MARNE FRA 2023-04-08
RcRownchangeKK*chgGame
 1875 1698 2.00 5 0.52 40 20.80 
  Berthaut, Alexandre 1945 MNC0.001-0.1940-7.60 
  Mimoune, Mehdi 1785 FRA1.0010.624024.80 
  Kavciyan, Yega 2096 FRA0.001-0.0840-3.20 
  Guerlach, Frederic 1957 FRA0.001-0.1840-7.20 
  Deveze, Armand 1590 FRA1.0010.354014.00 

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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