Individual Calculations September 2023
 Dijk, Rogier  Total change: -21.60  Rating chartPersonal card
 Nazomervierkampentoernooi Assen 2023 Assen NED 2023-08-25
RcRownchangeKK*chgGame
 1992 2008 0.50 3 -1.08 20 -21.60 
  Van Pelt, Erwin 1989 NED0.501-0.0320-0.60 
  Hummel, Joop 1997 NED0.001-0.5220-10.40 
  Goudriaan, Rafael 1990 NED0.001-0.5320-10.60 

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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