Individual Calculations December 2013
 Penna, Tommaso  Total change: -1.65  Rating chartPersonal card
 Hampstead Under 2200 FIDE Congress November 2013 London ENG 2013-11-23
RcRownchangeKK*chgGame
 1857 1975 2.50 4 -0.11 15 -1.65 
  Pepe, Salvatore 1726 ENG0.501-0.3115-4.65 
  Pride, Stephen C 1811 ENG1.0010.28154.20 
  Zhang, Anthony Y 1872 ENG1.0010.36155.40 
  Prior, Stephen C V 2019 ENG0.001-0.4415-6.60 

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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