Individual Calculations February 2018
 Aigner, Michael  Total change: 18.40  Rating chartPersonal card
 9th Annual Golden State Open Concord, California USA 2018-01-12
 2216 2096 3.50 7 0.92 20 18.40 
  Wongso, Steve 1697 USA1.0010.08201.60 
  Naroditsky, Daniel g2496  * USA1.0010.922018.40 
  Li, Ruifeng g2496  * USA0.001-0.0820-1.60 
  Harmon-Vellotti, Luke m2468 USA0.001-0.1020-2.00 
  Liu, Kimberly wf1813 USA1.0010.16203.20 
  Oconnor, Derek 2181 USA0.5010.12202.40 
  Stearman, Josiah f2361 USA0.001-0.1820-3.60 
 * 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)


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