Individual Calculations November 2019
 Xu, Grant  Total change: 12.20  Rating chartPersonal card
 Westford October Open 2019 - U2000 Westford, Massachusetts USA 2019-10-05
RcRownchangeKK*chgGame
 2233 2216 2.50 4 0.61 20 12.20 
  Belous, Nicholas 1833 USA1.0010.09201.80 
  Targonski, Stanley 2095 USA1.0010.34206.80 
  Corrales Jimenez, Fidel g2541 USA0.5010.37207.40 
  Ivanov, Alexander g2463 USA0.001-0.1920-3.80 

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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