Individual Calculations February 2020
 Van Gelder, Arnold  Total change: -34.80  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1640 1628 3.00 8 -0.87 40 -34.80 
  Van Nieuwkerk, Dirk 1695 NED1.0010.594023.60 
  Wolkers, Dick 1582 NED0.001-0.5640-22.40 
  Graaff, Rob 1544 NED1.0010.384015.20 
  Arnold, Rhys 1668 NED0.001-0.4440-17.60 
  Van Der Hoek, Willem 1670 NED0.001-0.4440-17.60 
  Stakenburg, Alexander 1579 NED0.001-0.5740-22.80 
  Pelt, Hans 1654 NED0.001-0.4640-18.40 
  Klein, Leen 1726 NED1.0010.634025.20 

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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