Individual Calculations February 2020
 Jorritsma, Stefan  Total change: 9.40  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1856 1814 4.00 8 0.47 20 9.40 
  Montsma, Foppe-Jan 1850 NED0.001-0.4520-9.00 
  Visschedijk, Theo 1858 NED0.5010.06201.20 
  Van Tuyl, Wim 1884 NED1.0010.602012.00 
  Seelemeijer, Jasper 1883 NED1.0010.602012.00 
  Gisbert Mir, Alejandro 1835 ESP0.001-0.4720-9.40 
  Oliemans, Cor 1922 NED0.5010.15203.00 
  Pluijmen, Theo 1795 NED1.0010.47209.40 
  Van Steijn, Hans 1818 NED0.001-0.4920-9.80 

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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