Individual Calculations September 2019
 Hubbard, Michael  Total change: -9.20  Rating chartPersonal card
 Northumbria Challengers Newcastle ENG 2019-08-23
RcRownchangeKK*chgGame
 1817 1946 3.50 6 -0.46 20 -9.20 
  Zhu, Yaoyao 1842 ENG0.501-0.1420-2.80 
  Hall, David G 1683 SCO0.501-0.3220-6.40 
  Bhopal, Raj 1931 SCO0.001-0.5220-10.40 
  Reynolds, Mark A 1917 ENG0.501-0.0420-0.80 
  Ratnesan, Rajeiv 1647 ENG1.0010.15203.00 
  Spanton, Tim R 1881 ENG1.0010.41208.20 

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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