Individual Calculations April 2009
 Ongarelli, Marco  Total change: -17.50  Rating chartPersonal card
 CP Alessandria Alessandria ITA 2009-01-16
RcRownchangeKK*chgGame
 1934 2163 4.00 6 -0.70 25 -17.50 
  Rapetti, Giuseppe 1813 ITA1.0010.11252.75 
  De Francisci, Luigi 1923 ITA1.0010.20255.00 
  Lucchese, Paolo 1997 ITA0.501-0.2225-5.50 
  Porzio, Massimo 1869 ITA1.0010.15253.75 
  Sibille, Ettore 2009 ITA0.501-0.2125-5.25 
  Giudici, Alberto 1990 ITA0.001-0.7325-18.25 

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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