Individual Calculations September 2023
 Huang, Ayden  Total change: -25.20  Rating chartPersonal card
 13th Annual Barber National Tournament of Middle School State Champions Grand Rapids, Michigan USA 2023-07-29
RcRownchangeKK*chgGame
 1897 1762 0.00 2 -0.63 40 -25.20 
  Lu, Yiding 1901 USA0.001-0.3140-12.40 
  Kalpaka, Vaibhav Robinjith 1893 IND0.001-0.3240-12.80 

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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