Individual Calculations November 2011
 Zhang, Yuanchen  Total change: 42.75  Rating chartPersonal card
 2011 Toronto Labour Day Open Toronto, Ontario CAN 2011-09-03
RcRownchangeKK*chgGame
 2010 1751 2.50 6 1.33 15 19.95 
  Gelis, Paul 2016 CAN0.001-0.1815-2.70 
  Twesigye, Derick Joshua 2129 CAN0.5010.41156.15 
  Yun, Chang 1990 CAN1.0010.801512.00 
  Marinkovic, Mate 2106 CAN0.001-0.1115-1.65 
  Nicholson, Matthew 1956 CAN0.001-0.2415-3.60 
  Bzikot, Robert 1864 CAN1.0010.65159.75 

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)
 
 2011 Ottawa Autumn Open Ottawa, Ontario CAN 2011-09-30
RcRownchangeKK*chgGame
 2055 1751 2.00 3 1.56 15 23.40 
  Gagnon, Serge 2101 CAN1.0010.891513.35 
  Palsson, Halldor 2017 CAN0.5010.32154.80 
  Doubleday, William 2047 CAN0.5010.35155.25 

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)
 
 2011 Toronto Thanksgiving Day Open Toronto, Ontario CAN 2011-10-08
RcRownchangeKK*chgGame
 2080 1751 0.50 4 -0.04 15 -0.60 
  Calugar, Arthur m2151  * CAN0.001-0.0815-1.20 
  McTavish, Dale 2080 CAN0.5010.38155.70 
  Plotkin, Victor f2151  * CAN0.001-0.0815-1.20 
  Vasquez, Jose Luis 1937 NCA0.001-0.2615-3.90 
 * 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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