Individual Calculations February 2023
 Duong, Nha Thanh  Total change: -2.80  Rating chartPersonal card
 32nd annual North American Open - U2300 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1903 2100 5.00 7 -0.14 20 -2.80 
  Fang, Elbert 1764 USA1.0010.12202.40 
  Tao, Sihan 1792 USA1.0010.14202.80 
  Meduri, Aakaash 2020 USA0.501-0.1120-2.20 
  Pompe, Niko 1866 SLO1.0010.21204.20 
  Catherina, Michelle wm2141 IND0.001-0.4420-8.80 
  Richardson, Ryan 1955 USA1.0010.31206.20 
  Das, Rohan 1780 USA0.501-0.3720-7.40 

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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