Individual Calculations February 2018
 Duinmaijer, Martin  Total change: 1.00  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1759 1797 5.00 9 0.05 20 1.00 
  Keetman, Sandra 1713 NED1.0010.38207.60 
  Schmit, Evert 1801 NED0.5010.01200.20 
  Van Der Giessen, Ada Leona 1810 NED0.001-0.4820-9.60 
  Smeman, Lambertus 1714 POR1.0010.39207.80 
  Duijs, Peter 1756 NED1.0010.44208.80 
  Roomer, Paul 1811 NED0.001-0.4820-9.60 
  Copier, Richard 1815 NED0.001-0.4720-9.40 
  Noordijk, Ed 1776 NED1.0010.47209.40 
  Butterworth, Simon 1639 NED0.501-0.2120-4.20 

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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