Individual Calculations February 2023
 He, Justin Shandong Shan  Total change: -38.00  Rating chartPersonal card
 32nd annual North American Open - U2300 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1621 1607 1.50 5 -0.95 40 -38.00 
  Sethuraman, Roshan 1664 USA0.001-0.4240-16.80 
  Lu, Yiding 1906 USA0.001-0.1540-6.00 
  Guan, Tsz Yeung 1582 CAN0.501-0.0340-1.20 
  Xu, Noah L 1514 USA0.001-0.6340-25.20 
  Zhuge, Katherine 1440 USA1.0010.284011.20 

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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