Individual Calculations February 2023
 Graaf, Jeroen  Total change: 4.40  Rating chartPersonal card
 Tata Steel Tienkampen 2023 Wijk aan Zee NED 2023-01-20
RcRownchangeKK*chgGame
 1855 1779 3.00 7 0.22 20 4.40 
  De Freytas, Paul 1941 NED1.0010.712014.20 
  Breedveld, Erik 1840 NED1.0010.582011.60 
  Van Der Stap, Harry 1837 NED0.5010.08201.60 
  Gagnepain, Laurent 1798 FRA0.001-0.4720-9.40 
  Van Soest, Roland 1822 NED0.001-0.4420-8.80 
  Van Tuyl, Wim 1876 NED0.001-0.3720-7.40 
  Van Dijkhuizen, Robbert 1873 NED0.5010.13202.60 

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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