Individual Calculations February 2018
 De Ruiter, Tom  Total change: 13.00  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1971 2041 6.00 9 0.65 20 13.00 
  Nieland, Wim 1969 NED0.501-0.1020-2.00 
  Smeets, Pierre 2018 NED0.501-0.0320-0.60 
  Boot, Henk 2053 NED0.5010.02200.40 
  Leung, Ho Yan Andrew 1981 HKG1.0010.42208.40 
  Van Westerop, Sebastiaan 1935 NED0.501-0.1420-2.80 
  Van Orsouw, Theo 1936 NED1.0010.36207.20 
  Van Gils, Martin 1972 NED0.501-0.1020-2.00 
  Van Tooren, Erik 1933 NED1.0010.35207.00 
  De Mon, Gino 1946 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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