Individual Calculations February 2020
 Bollaart, Jeroen  Total change: -2.00  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1982 1950 4.00 9 -0.10 20 -2.00 
  Adema, Ruud 2005 NED1.0010.582011.60 
  Vanduyfhuys, Igor 1838 BEL0.001-0.6520-13.00 
  Spruit, Paul 2029 NED0.001-0.3920-7.80 
  Lohia, Sohum 1960 ENG0.5010.01200.20 
  Van Nieuwenhuizen, Hans 1929 NED0.001-0.5320-10.60 
  Dijkstra, Matthijs 2014 NED1.0010.592011.80 
  Van Geffen, Ben 2014 NED0.5010.09201.80 
  Havenaar, Jan 2053 NED0.5010.14202.80 
  Denous, Cyprien 1992 FRA0.5010.06201.20 

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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