Individual Calculations July 2022
 Zhang, Alex  Total change: 24.80  Rating chartPersonal card
 31st Annual Chicago Open - Under 2300 Wheeling, Illinois USA 2022-05-27
RcRownchangeKK*chgGame
 1828 1870 4.50 7 0.55 40 22.00 
  Ray, Ujan 1710 USA1.0010.294011.60 
  Lu, Yiding 1739 USA0.501-0.1840-7.20 
  Moerlien, Puwit Sky 1806 USA1.0010.414016.40 
  Mallu, Lalith Abhilash Redd 2206 IND0.5010.384015.20 
  Gangavarapu, Sreekar 1647 USA0.501-0.2840-11.20 
  Beck, Alec 1827 USA0.501-0.0640-2.40 
  Ghazaryan, Tigran A. 1862 ARM0.501-0.0140-0.40 

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)
 
 Midwest Chess Congress - Major Des Moines, Iowa USA 2022-06-17
RcRownchangeKK*chgGame
 1799 1870 3.00 5 0.07 40 2.80 
  Liang, Ethan Y 1513 USA0.001-0.8940-35.60 
  Menon, Gauri 1781 USA1.0010.384015.20 
  Hodina, James D 1792 USA1.0010.394015.60 
  Zulic, Jasmin 1760 USA0.501-0.1540-6.00 
  Titus, Andrew Lewis 2151 USA0.5010.344013.60 

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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