Individual Calculations August 2017
 Wong, Qi Zhi  Total change: -6.80  Rating chartPersonal card
 Asian Schools Chess Championship 2017 U09 Panjin Liaoning, China CHN 2017-07-22
RcRownchangeKK*chgGame
 1418 1257 0.50 2 -0.17 40 -6.80 
  Nguyen, Le Minh Phu 1633 VIE0.5010.414016.40 
  Basnayake, B M Thesandu Aken 1202 SRI0.001-0.5840-23.20 

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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