Individual Calculations September 2009
 Sorrentino, Michele  Total change: 0.75  Rating chartPersonal card
 OP Estate al Vomero Napoli ITA 2009-05-07
RcRownchangeKK*chgGame
 2031 2023 2.00 4 0.05 15 0.75 
  Accardo, Francesco 1854 ITA1.0010.28154.20 
  Ficco, Corrado 2163 ITA0.001-0.3115-4.65 
  Capozzoli, Silvio 1961 ITA1.0010.41156.15 
  Messina, Enrico 2147 ITA0.001-0.3315-4.95 

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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