Individual Calculations February 2020
 Boerkamp, Harrie  Total change: -15.60  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1987 1844 2.00 9 -0.78 20 -15.60 
  Galje, Hans 2024 NED0.001-0.2620-5.20 
  Arp, Frans 1990 NED0.001-0.3020-6.00 
  Van Amerongen-Jansen, Peggy 2000 NED1.0010.712014.20 
  Oosterlaken, Ed 2016 NED0.001-0.2720-5.40 
  Mienis, Dennis 1978 NED1.0010.682013.60 
  Burer, Audry 1896 NED0.001-0.4320-8.60 
  Ebels, Theo 1949 NED0.001-0.3620-7.20 
  Happel, Henk f1993 NED0.001-0.3020-6.00 
  Van Der Hagen, Loek 2035 NED0.001-0.2520-5.00 

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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