Individual Calculations July 2009
 Sorbelli, Massimo  Total change: 0.90  Rating chartPersonal card
 OP 3 Capo d'Orso Porto Mannu ITA 2009-05-16
RcRownchangeKK*chgGame
 1978 1919 3.50 8 0.06 15 0.90 
  Gill, William 1695 IRL0.501-0.2815-4.20 
  Grosse Honebrink, Brigitte 1927 GER0.5010.01150.15 
  Graziani, Roberto 1766 ITA0.001-0.7015-10.50 
  Gozzi, Giorgio 1849 ITA1.0010.40156.00 
  Schaefer, Michael 2172 GER0.5010.31154.65 
  Astengo, Corrado 2208 ITA0.5010.34155.10 
  Peat, Matthew 2075 SCO0.5010.21153.15 
  De Florio, Federico 2132 ITA0.001-0.2315-3.45 

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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