Individual Calculations February 2023
 Hartgers, Leendert  Total change: -3.60  Rating chartPersonal card
 Tata Steel Tienkampen 2023 Wijk aan Zee NED 2023-01-20
RcRownchangeKK*chgGame
 1812 1833 3.50 7 -0.18 20 -3.60 
  Wyss, Peter 1864 SUI1.0010.542010.80 
  Christensen, John Christopher Ho 1836 DEN0.5010.00200.00 
  Seelemeijer, Jasper 1904 NED1.0010.602012.00 
  Valkenburg, Max 1583 NED0.501-0.3120-6.20 
  Koes, Richard 1792 NED0.001-0.5620-11.20 
  Snuverink, Marc 1802 NED0.501-0.0420-0.80 
  Fasel, Ton 1900 NED0.001-0.4120-8.20 

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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