Individual Calculations March 2019
 Fathallah, Joe  Total change: -10.60  Rating chartPersonal card
 2019 Bristol Winter Congress Open Bristol ENG 2019-02-15
RcRownchangeKK*chgGame
 1896 1970 2.50 5 -0.53 20 -10.60 
  Van Der Velde, Geert 1651 NED1.0010.13202.60 
  Arkell, Keith C g2370  * ENG0.001-0.0820-1.60 
  Lampard, Alice 1718 SCO0.501-0.3120-6.20 
  Stubbs, Oliver 1888 ENG1.0010.39207.80 
  Rahulan, Thivyaa 1854 ENG0.001-0.6620-13.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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