Individual Calculations June 2023
 Chen, Derek Li  Total change: -25.20  Rating chartPersonal card
 2023 May Marshall Premier New York, NY USA 2023-05-07
RcRownchangeKK*chgGame
 1900 1848 1.00 5 -1.26 20 -25.20 
  Hughes, John 2234 IRL0.001-0.0920-1.80 
  Jiang, Jason 1899 USA0.001-0.4320-8.60 
  Haldankar, Ameya 1729 USA0.001-0.6620-13.20 
  Kozower, Ethan 1859 USA1.0010.522010.40 
  Berg, George 1777 USA0.001-0.6020-12.00 

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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