Individual Calculations February 2020
 Van Dorsten, Jon  Total change: 65.20  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1738 1726 5.50 8 1.63 40 65.20 
  De Ruijter, Sylvain 1731 NED0.001-0.4940-19.60 
  Roomer, Paul 1822 NED0.5010.13405.20 
  Grooten, Tommy 1685 NED1.0010.444017.60 
  Weijgertze, Peter 1708 NED1.0010.474018.80 
  Poland, Jan 1823 NED1.0010.634025.20 
  Kooiman, Egbert 1710 NED1.0010.484019.20 
  Kleinjan, Pim 1807 NED1.0010.614024.40 
  Smeets, Kobe 1620 NED0.001-0.6440-25.60 

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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