Individual Calculations June 2023
 Yang, Lefan  Total change: 53.60  Rating chartPersonal card
 3rd annual Niagara Falls Open - Major Niagara Falls, NY USA 2023-05-05
RcRownchangeKK*chgGame
 2160 1818 2.00 3 1.34 40 53.60 
  Yang, Maxwell Z 1809 USA1.0010.494019.60 
  Zhou, Jianchao g2555 CHN0.5010.504020.00 
  Li, William Hongyu c2115 CAN0.5010.354014.00 

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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