Individual Calculations February 2020
 Witkamp, Theo  Total change: -29.80  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1645 1690 3.00 8 -1.49 20 -29.80 
  Spanjersberg, Hans 1622 NED0.501-0.0920-1.80 
  Farel, Edgard 1625 GER1.0010.41208.20 
  Krousos, Panagiotis 1646 GRE0.001-0.5620-11.20 
  Kamps, Ronald 1700 NED0.001-0.4920-9.80 
  Doodeman, Bas 1617 NED0.001-0.6020-12.00 
  Van Etten, Cor 1739 NED1.0010.572011.40 
  Van Lingen, Henk 1588 NED0.501-0.1420-2.80 
  Vos, Wiert 1625 NED0.001-0.5920-11.80 

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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