Individual Calculations February 2020
 Verwoert, Jef  Total change: 5.60  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1958 2017 5.50 9 0.28 20 5.60 
  Homburg, Frank 1860 NED1.0010.29205.80 
  Morice, Ludovic 2034 FRA0.001-0.4820-9.60 
  Kunst, Andre 1968 NED0.501-0.0720-1.40 
  Tinga, Tjerk 1958 NED0.501-0.0820-1.60 
  Warnaar, Alisha 1874 NED1.0010.31206.20 
  De Ruiter, Tom 2021 NED0.5010.01200.20 
  Dissel, Henk 1976 NED0.501-0.0620-1.20 
  Turk, Wil 1912 NED1.0010.36207.20 
  Haakman, Adri 2020 NED0.5010.00200.00 

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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