Individual Calculations February 2023
 Lu, Yiding  Total change: -72.00  Rating chartPersonal card
 32nd annual North American Open - U2300 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1754 1906 3.00 7 -1.80 40 -72.00 
  Salman, Nachum f2036 USA0.001-0.3240-12.80 
  He, Justin Shandong Shan 1607 USA1.0010.15406.00 
  Yin, Evan 1715 USA0.001-0.7540-30.00 
  Guo, Felix 1610 USA0.001-0.8540-34.00 
  Wen, Kally wc1695 USA1.0010.23409.20 
  Ke, Rianne wc1706 USA0.501-0.2640-10.40 
  Hulse, Brian f1907 USA0.5010.00400.00 

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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