Individual Calculations April 2009
 Vertechi, Pietro  Total change: 13.00  Rating chartPersonal card
 FE 6 Arrocco Roma ITA 2009-01-09
RcRownchangeKK*chgGame
 1832 1882 3.50 5 0.69 25 17.25 
  Piccolo, Giuseppe 1635 ITA0.501-0.3125-7.75 
  Foschini, Andrea 1834 ITA0.501-0.0725-1.75 
  Ruotolo, Claudio 1757 ITA1.0010.33258.25 
  Lisi, Sebastiano 1951 ITA0.5010.10252.50 
  Simeone, Giulio 1983 ITA1.0010.642516.00 

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)
 
 WE Inverno a Roma Roma ITA 2009-02-06
RcRownchangeKK*chgGame
 2155 1882 0.00 1 -0.17 25 -4.25 
  Wollenweber, Carsten 2155 GER0.001-0.1725-4.25 

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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