Individual Calculations September 2023
 Li, Mason Jin  Total change: -42.00  Rating chartPersonal card
 10th Annual Potomac Open - U2200 Rockville, MD USA 2023-07-21
RcRownchangeKK*chgGame
 1657 1568 0.50 4 -1.05 40 -42.00 
  Salazar Martinez, ,angel Daniel 1726 VEN0.5010.21408.40 
  Wright, James Douglas 1800 USA0.001-0.2140-8.40 
  Ayyappan, Santhosh 1484 USA0.001-0.6240-24.80 
  Balakrishnan, Naveen 1618 USA0.001-0.4340-17.20 

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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