Individual Calculations October 2013
 Petrachi, Gianni  Total change: 40.95  Rating chartPersonal card
 FE 15 Citta' di Trieste - B Trieste ITA 2013-08-31
RcRownchangeKK*chgGame
 1902 1800 6.00 9 2.73 15 40.95 
  Chiandussi, Livio 1483 ITA1.0010.13151.95 
  Barletta, Antonio 2007 ITA1.0010.771511.55 
  Zamar Kodelja, Jurij 1880 SLO1.0010.61159.15 
  Simonetto, Adriano 2020 ITA0.5010.28154.20 
  Samuelli, Daniele 1921 ITA1.0010.66159.90 
  Ursic, Aleksander 1938 SLO1.0010.691510.35 
  Varini, Massimo 2093 ITA0.001-0.1515-2.25 
  Orsatti, Marcello 1919 ITA0.001-0.3415-5.10 
  Hrescak, Ivana 1854 SLO0.5010.08151.20 

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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