Individual Calculations October 2017
 Zhang, Gavin  Total change: 6.80  Rating chartPersonal card
 67th Annual Oregon Open Portland, Oregon USA 2017-09-02
RcRownchangeKK*chgGame
 1973 1841 1.50 4 0.17 40 6.80 
  Badamkhand, Norovsambuu 2044 MGL1.0010.764030.40 
  Cigan, Jason 2064 USA0.001-0.2240-8.80 
  Gatica, Jose 1992 USA0.001-0.3040-12.00 
  Levine, Joseph 1791 USA0.501-0.0740-2.80 

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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