Individual Calculations September 2009
 Poletti, Fausto  Total change: 8.10  Rating chartPersonal card
 OP 9. Valle del Chiese Condino ITA 2009-07-27
RcRownchangeKK*chgGame
 2031 1894 1.50 3 0.54 15 8.10 
  Gardi, Giuseppe 2017 ITA0.5010.17152.55 
  Schaberg, Wolfgang 1953 ITA0.5010.08151.20 
  Panjkovic, Aleksandar c2122 SRB0.5010.29154.35 

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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