Individual Calculations May 2017
 Xu, Arthur Zihan  Total change: 57.20  Rating chartPersonal card
 2017 Lone Star Open Houston, Texas USA 2017-03-31
RcRownchangeKK*chgGame
 2007 1863 1.50 3 0.46 40 18.40 
  Ruiz C, Joshua D m2263  * COL0.001-0.0840-3.20 
  Bandi, Rohit Choudary 1759 USA1.0010.364014.40 
  Imamovic, Semir 1998 USA0.5010.18407.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 2017 Illinois Youth Invitational - Barber Schaumburg, Illinois USA 2017-04-21
RcRownchangeKK*chgGame
 1862 1863 3.50 5 0.97 40 38.80 
  Carey, Aidan M 1737 USA0.501-0.1740-6.80 
  Zhang, Edward 1757 USA1.0010.364014.40 
  Wang, Ricky 1869 USA0.5010.01400.40 
  Turgut, Aydin 2120 USA0.5010.324012.80 
  Daniels, Jason S 1829 USA1.0010.454018.00 

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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