Individual Calculations November 2009
 Castaldo, Antonio  Total change: -21.75  Rating chartPersonal card
 Campionati d'Italia Arvier ITA 2009-09-26
RcRownchangeKK*chgGame
 1683 1730 2.50 6 -0.87 25 -21.75 
  Barletta, Antonio 2039 ITA0.001-0.1425-3.50 
  Renzini, Lorenzo 1767 ITA1.0010.552513.75 
  Trifoni, Giorgio 1639 ITA0.001-0.6225-15.50 
  Bitti, Sandro 1718 ITA0.001-0.5225-13.00 
  Bogatto, Mario 1455 ITA1.0010.17254.25 
  Lisandri, Luigi 1480 ITA0.501-0.3125-7.75 

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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