Individual Calculations February 2020
 Happel, Henk  Total change: -2.70  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1970 1993 4.50 9 -0.27 10 -2.70 
  Burer, Audry 1896 NED0.501-0.1310-1.30 
  Ebels, Theo 1949 NED0.001-0.5610-5.60 
  Oosterlaken, Ed 2016 NED0.001-0.4710-4.70 
  Van Der Hagen, Loek 2035 NED0.001-0.4410-4.40 
  Galje, Hans 2024 NED0.5010.04100.40 
  Arp, Frans 1990 NED1.0010.50105.00 
  Van Amerongen-Jansen, Peggy 2000 NED1.0010.51105.10 
  Boerkamp, Harrie 1844 NED1.0010.30103.00 
  Mienis, Dennis 1978 NED0.501-0.0210-0.20 

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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