Individual Calculations February 2023
 Davis, Johnathan  Total change: -120.40  Rating chartPersonal card
 2023 New Zealand Championship Wellington NZL 2023-01-02
RcRownchangeKK*chgGame
 1845 1940 2.00 8 -3.01 40 -120.40 
  Langford, Joshua 1845 NZL0.501-0.1340-5.20 
  Sole, Michael D 1890 NZL0.001-0.5740-22.80 
  Mao, Daqi 1901 NZL0.001-0.5540-22.00 
  Wang, Aaron Ziwen 1728 NZL0.001-0.7740-30.80 
  Van Der Hoorn, Thomas 1898 NZL1.0010.444017.60 
  Metge, J Nigel 1932 NZL0.001-0.5140-20.40 
  Qin, Oscar Shu Xuan 1793 NZL0.001-0.7040-28.00 
  McDougall, Euan 1770 NZL0.501-0.2240-8.80 

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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