Individual Calculations February 2018
 Veenstra, Wopke  Total change: 6.20  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1967 1983 5.00 9 0.31 20 6.20 
  Haag, Guenter 1955 GER0.501-0.0420-0.80 
  Ritsema, Ronald 2068 NED0.5010.12202.40 
  Geertsema, Piet 1950 NED1.0010.45209.00 
  Wijgers, Ben 1995 NED0.5010.02200.40 
  Mienis, Dennis 1931 NED0.501-0.0720-1.40 
  De Freytas, Paul 1916 NED1.0010.41208.20 
  Haakman, Adri 2031 NED0.5010.07201.40 
  De Bruijn, Aad 1972 NED0.001-0.5220-10.40 
  Hoeneveld, Maarten 1885 NED0.501-0.1320-2.60 

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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