Individual Calculations July 2021
 Xia, Brandon Yang  Total change: 57.20  Rating chartPersonal card
 2021 National Open - Championship Las Vegas, Nevada USA 2021-06-16
RcRownchangeKK*chgGame
 2229 2046 4.00 9 1.43 40 57.20 
  Ostrovskiy, Aleksandr m2422 USA0.5010.414016.40 
  Bachin, Vitaly m2373 RUS0.001-0.1340-5.20 
  Kvakovszky, George 1902 USA1.0010.314012.40 
  Wang, Jason f2312 USA0.001-0.1840-7.20 
  Oberoi, Shelev 2198 USA0.5010.20408.00 
  Boekhoff, Andrew f2278 USA0.5010.294011.60 
  Colas, Joshua f2315 USA0.5010.334013.20 
  Kumar, Nikhil f2305 USA0.001-0.1840-7.20 
  Wagner, Richard B 1956 USA1.0010.384015.20 

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)
 

 

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