Individual Calculations February 2018
 Kuijs, Piet  Total change: -7.40  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1872 1807 2.50 7 -0.37 20 -7.40 
  Lupulescu, Adrian-Calin 1904 ROU0.5010.13202.60 
  Visschedijk, Theo 1875 NED0.5010.09201.80 
  Breedveld, Erik 1885 NED0.001-0.3920-7.80 
  Toby, Almer 1833 NED1.0010.542010.80 
  Rensen, Martin 1843 NED0.5010.05201.00 
  Buis, Johan 1886 NED0.001-0.3920-7.80 
  Rot, Jan 1880 NED0.001-0.4020-8.00 

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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