Individual Calculations January 2009
 Raccah, Ascer  Total change: 2.75  Rating chartPersonal card
 FE 5 Arrocco Roma ITA 2008-10-31
RcRownchangeKK*chgGame
 1881 1833 1.50 3 0.11 25 2.75 
  Lantini, Marco 2183 ITA0.5010.39259.75 
  Carnicelli, Valerio 1705 ITA0.501-0.1725-4.25 
  Ruotolo, Claudio 1755 ITA0.501-0.1125-2.75 

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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