Individual Calculations September 2009
 De Bellis, Aldo  Total change: -17.75  Rating chartPersonal card
 OP 9. Valle del Chiese Condino ITA 2009-07-27
RcRownchangeKK*chgGame
 1829 1698 1.00 5 -0.71 25 -17.75 
  Beccaris, Gabriele 2037 ITA0.001-0.1225-3.00 
  Buglisi, Massimo 1938 ITA0.001-0.2025-5.00 
  De Polzer, Manfredi 1813 ITA0.5010.16254.00 
  Trifoni, Giorgio 1596 ITA0.501-0.1425-3.50 
  Fragni, Enrico 1762 ITA0.001-0.4125-10.25 

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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