Individual Calculations February 2020
 Groen, David  Total change: -2.40  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1757 1762 4.50 9 -0.06 40 -2.40 
  Duinmaijer, Martin 1759 NED1.0010.504020.00 
  Veerman, Henk 1718 NED0.001-0.5640-22.40 
  Beverdam, Frank 1832 NED1.0010.604024.00 
  Dekker, Paul 1765 NED0.001-0.5040-20.00 
  Diaz Maguina, Daniel 1702 ARU0.001-0.5840-23.20 
  Schimmel, Sipco 1779 NED1.0010.524020.80 
  Bertelkamp, Johan 1766 NED0.001-0.4940-19.60 
  Bourassa, Louis 1699 CAN1.0010.414016.40 
  Schoenmakers, Nico 1791 NED0.5010.04401.60 

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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