Individual Calculations April 2009
 Boetto, Massimo  Total change: 4.35  Rating chartPersonal card
 OP V. Alfieri Torino ITA 2009-01-13
RcRownchangeKK*chgGame
 1848 2045 2.50 3 0.29 15 4.35 
  Liviabella, Lucio 1695 ITA1.0010.11151.65 
  Angioni, Gian Carlo 1866 ITA1.0010.27154.05 
  Zunino, Davide 1983 ITA0.501-0.0915-1.35 

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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