Individual Calculations July 2021
 De Fotis, Gary C  Total change: 7.00  Rating chartPersonal card
 8th Cherry Blossom Classic - Open Dulles, Virginia USA 2021-05-27
RcRownchangeKK*chgGame
 2054 1890 2.50 7 0.35 20 7.00 
  Wu, Rochelle wm2144 USA1.0010.812016.20 
  Jacobson, Aaron f2290  * USA0.001-0.0820-1.60 
  Rama, Tejas 2131 USA0.001-0.2020-4.00 
  Demchenko, Svitlan wm2071 CAN0.5010.24204.80 
  Fishbein, Mitch 2119 USA0.001-0.2120-4.20 
  Doraszelski, Alexander 1802 GER0.501-0.1220-2.40 
  Yehamandram, Yogeshwar Sridar 1824 IND0.501-0.0920-1.80 
 * 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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