Individual Calculations July 2021
 Ngo, Bach  Total change: 11.20  Rating chartPersonal card
 8th Cherry Blossom Classic - Under 2300 Dulles, Virginia USA 2021-05-28
RcRownchangeKK*chgGame
 1904 2060 5.50 7 0.64 40 25.60 
  Tay, Brian 1704 USA1.0010.11404.40 
  Carey, Michael P 1916 USA1.0010.314012.40 
  Onyango, Adia 1789 USA1.0010.17406.80 
  Wang, Ellen wf1914 USA0.001-0.7040-28.00 
  Jian, Alex 2089 USA0.5010.04401.60 
  Kobla, Vishal c1953 USA1.0010.354014.00 
  Yaskolko, Maxim 1961 USA1.0010.364014.40 

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)
 
 2021 National Open - Under 2300 Las Vegas, Nevada USA 2021-06-17
RcRownchangeKK*chgGame
 1844 2060 5.00 7 -0.36 40 -14.40 
  Xu, Kevin 1798 USA1.0010.18407.20 
  Phares, Eric 1814 USA0.501-0.3140-12.40 
  Velea, Anne-Marie wf1921 USA0.001-0.6940-27.60 
  Tangtartharakul, Chanin 2018 USA0.501-0.0640-2.40 
  Nathan, Nitish Sg c1720 USA1.0010.12404.80 
  Xie, Brandon 1852 USA1.0010.23409.20 
  Sairam, Pranav 1783 USA1.0010.17406.80 

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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