Individual Calculations May 2012
 Bonanni, Vincenzo  Total change: -32.70  Rating chartPersonal card
 CP Viterbo 2012 San Martino del Cimino ITA 2012-02-24
RcRownchangeKK*chgGame
 1890 1775 0.00 3 -1.09 30 -32.70 
  Giorni, Moreno 2091 ITA0.001-0.1330-3.90 
  De Ciantis, David 1903 ITA0.001-0.3330-9.90 
  Sicilia, Stefano 1677 ITA0.001-0.6330-18.90 

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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