Blitz: Individual Calculations September 2022
 Xu, Ruihan  Total change: -6.80  Rating chartPersonal card
 2022 NAYCC Blitz U18 Calgary CAN 2022-08-14
RcRownchangeKK*chgGame
 1645 1289 0.00 3 -0.34 20 -6.80 
  Feng, Andrew 1731 USA0.001-0.0620-1.20 
  Shi, Roger V 1644 USA0.001-0.1120-2.20 
  Chakkoli, Anirud 1561 CAN0.001-0.1720-3.40 

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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