Individual Calculations February 2023
 Weiner, Zack J  Total change: -25.60  Rating chartPersonal card
 32nd annual North American Open - U2300 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1780 2094 4.50 7 -1.28 20 -25.60 
  Li, Iris 1531 USA1.0010.02200.40 
  Song, Scott 1624 USA1.0010.05201.00 
  Nathan, Krishna 2036 USA0.001-0.5820-11.60 
  Pakh, Alex 1839 USA0.501-0.3120-6.20 
  Fang, Elbert 1764 USA1.0010.12202.40 
  Kodihalli, Kaustubh 1694  * USA1.0010.08201.60 
  Macaspac, Arthur 1975 USA0.001-0.6620-13.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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