Individual Calculations February 2023
 Goes, Ad  Total change: 29.20  Rating chartPersonal card
 Tata Steel Tienkampen 2023 Wijk aan Zee NED 2023-01-20
RcRownchangeKK*chgGame
 1667 1601 4.00 8 0.73 40 29.20 
  Lindeboom, Fokke 1683 NED0.5010.11404.40 
  Doodeman, Bas 1673 NED0.001-0.4040-16.00 
  Hoogeveen, Luuk 1641 NED0.5010.06402.40 
  Weijgertze, Peter 1647 NED0.5010.06402.40 
  Langbroek, Aarnout 1670 NED0.5010.10404.00 
  Steensma, Frank 1635 NED1.0010.554022.00 
  Veerman, Henk 1689 NED0.5010.12404.80 
  Van Heeren, Arie 1699 NED0.5010.13405.20 

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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