Individual Calculations February 2020
 Draaisma, Gerard  Total change: 34.40  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1451 1364 2.00 3 0.86 40 34.40 
  Gooijers, Richard 1499 NED1.0010.684027.20 
  Clausen, Co 1436 NED1.0010.604024.00 
  Dekker, Ichelle 1419 NED0.001-0.4240-16.80 

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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