Individual Calculations May 2010
 Boni, Gianni  Total change: 5.55  Rating chartPersonal card
 CP Mantova Suzzara ITA 2010-02-05
RcRownchangeKK*chgGame
 1784 1830 1.50 2 0.37 15 5.55 
  Tamassia, Gabriele 1773 ITA0.501-0.0815-1.20 
  Chiodini, Pietro 1794 ITA1.0010.45156.75 

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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