Individual Calculations February 2020
 Dekker, Paul  Total change: -12.20  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1756 1765 4.00 9 -0.61 20 -12.20 
  Veerman, Henk 1718 NED0.501-0.0720-1.40 
  Beverdam, Frank 1832 NED0.5010.09201.80 
  Diaz Maguina, Daniel 1702 ARU0.501-0.0920-1.80 
  Groen, David 1762 NED1.0010.502010.00 
  Schimmel, Sipco 1779 NED0.5010.02200.40 
  Bertelkamp, Johan 1766 NED0.001-0.5020-10.00 
  Bourassa, Louis 1699 CAN0.501-0.0920-1.80 
  Schoenmakers, Nico 1791 NED0.5010.04200.80 
  Duinmaijer, Martin 1759 NED0.001-0.5120-10.20 

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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