Individual Calculations April 2009
 Botta, Gabriele  Total change: 5.40  Rating chartPersonal card
 CHessOpen&Academy ASCONA SUI 2009-01-03
RcRownchangeKK*chgGame
 2105 2214 3.50 5 0.36 15 5.40 
  Gagliardi, Claudio 1864 ITA1.0010.11151.65 
  Bossi, Alessandro 2010 ITA1.0010.24153.60 
  Stojanovic, Mihajlo g2530 SRB0.001-0.1315-1.95 
  Gagliardi, Christian 2209 ITA0.501-0.0115-0.15 
  Buzio, Alberto 1913 ITA1.0010.15152.25 

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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