Individual Calculations July 2022
 Polaris, Marshall Quander  Total change: 77.60  Rating chartPersonal card
 2021 CalChess State Open Class Championship Master Santa Clara, California USA 2022-05-28
RcRownchangeKK*chgGame
 2174 1748 2.50 4 1.94 40 77.60 
  Rajaram, Rohan 1755 USA1.0010.514020.40 
  Diaz, Conrado 2273 PHI1.0010.974038.80 
  Zhu, Jack m2388 USA0.5010.494019.60 
  Yan, Ruiyang fwc2281 USA0.001-0.0340-1.20 

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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