Individual Calculations July 2009
 Grasso, Nino  Total change: -12.75  Rating chartPersonal card
 OP Torre Bisaccia Bisaccia ITA 2009-05-29
RcRownchangeKK*chgGame
 2082 1984 1.50 6 -0.85 15 -12.75 
  Gromovs, Sergejs f2334 ITA0.001-0.1115-1.65 
  Stromboli, Ettore f2301 ITA0.001-0.1315-1.95 
  Bove, Raffaele 1993 ITA0.5010.01150.15 
  Rotelli, Pietro 1970 ITA0.001-0.5215-7.80 
  Chiarion, Elisa 1912 ITA1.0010.40156.00 
  Vespe, Francesco 1982 ITA0.001-0.5015-7.50 

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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