Individual Calculations February 2018
 De Vries, Theo  Total change: -53.20  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1837 1933 3.00 9 -2.66 20 -53.20 
  Bollaart, Jeroen 1883 NED0.001-0.5720-11.40 
  Van Heeren, Arie 1731 NED0.501-0.2620-5.20 
  Welch, Wayne 1809 NED1.0010.33206.60 
  Bouma, Dick 1845 NED0.501-0.1220-2.40 
  Rutjes, Twan 1889 NED0.001-0.5620-11.20 
  Smith, Jack 1756 ENG0.001-0.7320-14.60 
  Dekker, Paul 1836 NED1.0010.37207.40 
  Klein, Cees 1907 NED0.001-0.5420-10.80 
  De Kleijnen, Henk 1877 NED0.001-0.5820-11.60 

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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