Individual Calculations April 2009
 Bonini, Roberto  Total change: 17.85  Rating chartPersonal card
 CP Verona San Pietro in Cariano ITA 2009-02-06
RcRownchangeKK*chgGame
 2007 1829 2.00 3 1.19 15 17.85 
  Marin, Alessandro 1998 ITA1.0010.721510.80 
  De Paoli, Emilio 1982 ITA1.0010.701510.50 
  Garonzi, Martino 2040 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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