Individual Calculations January 2020
 Xu, Jonathan  Total change: 25.60  Rating chartPersonal card
 2nd Annual Old Line Open Rockville, Maryland USA 2019-12-06
RcRownchangeKK*chgGame
 2021 1825 2.00 5 0.64 40 25.60 
  Kaufman, Lawrence Charles g2201 USA0.001-0.0940-3.60 
  Tahmassebi, Bijan 2037 USA0.5010.274010.80 
  Altman, Joshua A c2151 ENG0.5010.374014.80 
  Jayasundera, Shane 1866 USA1.0010.564022.40 
  Mundayat, Abinav Rajiv 1848 USA0.001-0.4740-18.80 

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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