Individual Calculations February 2018
 Song, Guannan Terry  Total change: -23.40  Rating chartPersonal card
 2017 Pan-American Intercollegiate Team Chess Championship Columbus, Ohio USA 2017-12-27
RcRownchangeKK*chgGame
 2060 2161 2.50 5 -0.60 20 -12.00 
  Yang, Darwin g2495 USA0.001-0.1220-2.40 
  Davisson, Richard 1893 USA0.501-0.3320-6.60 
  Gladstone, Simon 1974 CAN0.001-0.7420-14.80 
  Waranch, Samuel 1768 USA1.0010.08201.60 
  Rosenthal, Nicholas 2169 USA1.0010.512010.20 

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)
 
 2018 Guelph Winter Pro-Am Pro Guelph CAN 2018-01-06
RcRownchangeKK*chgGame
 1879 2161 3.50 5 -0.57 20 -11.40 
  Zhao, Jeffrey Renfei 1764 CAN0.501-0.4220-8.40 
  Rek, Viatcheslav (slava) 2128 CAN1.0010.45209.00 
  Ferreira, Alex T. 1939 CAN0.001-0.7820-15.60 
  Rusonik, Max 1803 CAN1.0010.10202.00 
  Qiao, Cindy wf1761  * CAN1.0010.08201.60 
 * 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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