Individual Calculations February 2020
 Rorrer, Grayson  Total change: 60.80  Rating chartPersonal card
 11th Annual Golden State Open Concord, California USA 2020-01-17
RcRownchangeKK*chgGame
 1929 1886 4.50 7 1.52 40 60.80 
  Tang, Austin 1529 USA0.501-0.3940-15.60 
  Karunakaran, Kapilan 1507 USA1.0010.09403.60 
  Vidyarthi, Vyom c2047 USA0.5010.21408.40 
  Krishnakumar, Sriram c2079 USA0.5010.254010.00 
  Melikian, Gnel 2125 RUS0.5010.304012.00 
  Pan, Kevin 2084 USA1.0010.764030.40 
  Wu, Rochelle wm2131 USA0.5010.304012.00 

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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