Individual Calculations February 2018
 Westerveld, Wim  Total change: 2.80  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 2107 2221 6.00 9 0.14 20 2.80 
  Van Der Elburg, Freddie 2143 NED1.0010.39207.80 
  Borst, Filip 1974 NED1.0010.19203.80 
  Vroombout, Enrico 2123 NED1.0010.37207.40 
  Oosterom, Erik 2111 NED0.001-0.6520-13.00 
  Wahlund, Max c2098 SWE0.501-0.1720-3.40 
  Roorda, Thijs 2110 NED0.501-0.1520-3.00 
  Ghijsen, Pim 2160 NED0.501-0.0820-1.60 
  Giacomini, Hector 2207 FRA1.0010.48209.60 
  Freer, Glenn 2033 NED0.501-0.2420-4.80 

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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