Individual Calculations November 2021
 Dekker, Jasper  Total change: -17.20  Rating chartPersonal card
 FE Bosa 2021 - A Bosa ITA 2021-10-03
RcRownchangeKK*chgGame
 1808 1864 4.50 7 0.63 20 12.60 
  Caredda, Giuseppe 1464  * ITA1.0010.08201.60 
  Kotyk, Michael 2075 GER0.001-0.2320-4.60 
  Ardu, Luigi 1647 ITA1.0010.22204.40 
  Meyling, Lennart 2052 GER0.001-0.2620-5.20 
  De Ieso, Lorenzo 1565 ITA1.0010.15203.00 
  Sonis, Luca 1969 ITA0.5010.14202.80 
  Di Chiara, Mauro 1885 ITA1.0010.532010.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 Hoogeveen Schaaktoernooi 2021 Hoogeveen NED 2021-10-15
RcRownchangeKK*chgGame
 1716 1864 2.50 6 -1.49 20 -29.80 
  Meurs, Tom 2217 NED0.001-0.1120-2.20 
  Arnold, Kiri 1787 NED0.001-0.6120-12.20 
  Martinez, Sara 1492 NED1.0010.10202.00 
  Klaren, Oscar 1819 NED0.001-0.5620-11.20 
  Binnendijk-Voortman, Ineke 1516 NED1.0010.11202.20 
  Oskam, Julian 1464  * NED0.501-0.4220-8.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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