Individual Calculations January 2023
 She, Byron  Total change: 3.20  Rating chartPersonal card
 57th American Open - Under 2200 Orange, CA USA 2022-11-24
RcRownchangeKK*chgGame
 1573 1544 1.00 2 0.08 40 3.20 
  Cui, Young 1587 USA0.5010.06402.40 
  Beltran, Omar 1558 USA0.5010.02400.80 

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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