Individual Calculations February 2020
 Prent, Tom  Total change: 1.60  Rating chartPersonal card
 Tata Steel Weekendvierkampen 2020 Wijk aan Zee NED 2020-01-10
RcRownchangeKK*chgGame
 1663 1634 2.00 2 1.08 20 21.60 
  Dekker, Wim 1628 NED1.0010.49209.80 
  Couwenberg, Pieter 1698 NED1.0010.592011.80 

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)
 
 Tata Steel Dagvierkampen 2020 Wijk aan Zee NED 2020-01-13
RcRownchangeKK*chgGame
 1635 1634 0.00 2 -1.00 20 -20.00 
  Van Den Heuvel, Annelies 1656 NED0.001-0.4720-9.40 
  Haubold, Sebastian Marcel 1613 GER0.001-0.5320-10.60 

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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