Individual Calculations February 2023
 Stoop, Coen  Total change: 40.80  Rating chartPersonal card
 Tata Steel dagvierkampen 2023 Wijk aan Zee NED 2023-01-16
RcRownchangeKK*chgGame
 1781 1907 3.00 3 1.02 40 40.80 
  Arends, Herman 1682 NED1.0010.22408.80 
  Keesman, Henk 1875 NED1.0010.464018.40 
  Londers, Jan 1787 BEL1.0010.344013.60 

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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