Individual Calculations August 2022
 Zhang, Alex  Total change: 83.20  Rating chartPersonal card
 50th Annual World Open - Open Philadelphia, Pennsylvania USA 2022-06-30
RcRownchangeKK*chgGame
 2144 1870 3.50 8 2.08 40 83.20 
  Chiu, Isaac 2245 USA0.001-0.0940-3.60 
  De La Colina, Nicolas 2091 USA0.5010.284011.20 
  Vittal, Sanjana wf2007 USA1.0010.684027.20 
  Hernandez-Perez, Pedro 2182 CUB0.5010.364014.40 
  Lee, Justin 2115 USA1.0010.804032.00 
  Amburgy, Ryan f2234 USA0.001-0.1040-4.00 
  Bruha, Nicholas 2101 USA0.5010.294011.60 
  Contreras, Henry f2175 COL0.001-0.1440-5.60 

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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