Individual Calculations October 2018
 Zhang, Alan  Total change: -19.20  Rating chartPersonal card
 Marshall Premier September 2018 New York, New York USA 2018-09-07
RcRownchangeKK*chgGame
 2119 2110 1.50 4 -0.48 40 -19.20 
  Ostrovskiy, Aleksandr m2425 USA0.001-0.1440-5.60 
  Chen, Victor 1850 USA0.501-0.3240-12.80 
  Stancil, Kimani 2006 USA1.0010.364014.40 
  Nakada, Akira c2196 USA0.001-0.3840-15.20 

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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