Individual Calculations March 2023
 Booy, Willem  Total change: -6.40  Rating chartPersonal card
 ONK NSVG 2023 Ermelo NED 2023-02-16
RcRownchangeKK*chgGame
 1562 1466 1.50 4 -0.16 40 -6.40 
  Mehra, Roger 1928 NED0.001-0.0540-2.00 
  Yung, Aeron 1342 NED0.001-0.6740-26.80 
  Van Onacker, Franky 1345 BEL1.0010.344013.60 
  Feijen, Niels 1631 NED0.5010.22408.80 

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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