Individual Calculations September 2019
 Leong, Ryan  Total change: -20.40  Rating chartPersonal card
 2019 NAYCC U18 Open Kingston CAN 2019-08-16
 2002 1926 1.50 5 -0.51 40 -20.40 
  Huang, Andy f2263 USA0.001-0.1240-4.80 
  Chasin, Nico f2178 USA0.001-0.1940-7.60 
  Zhou, Joey Junhe 1586 CAN1.0010.12404.80 
  Xu, Jeffrey c2067 CAN0.5010.19407.60 
  Merrigan, Daley 1917 CAN0.001-0.5140-20.40 

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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