Individual Calculations July 2016
 Petrini, Roberto  Total change: -4.00  Rating chartPersonal card
 FE XXVIII Citta' di Lucca - C Lucca ITA 2016-06-17
RcRownchangeKK*chgGame
 1419 1179 0.50 3 -0.10 40 -4.00 
  Rossi, Sergio 1411 ITA0.001-0.2140-8.40 
  Pierinelli Flori, Marc Benoit 1447 FRA0.001-0.1740-6.80 
  Gallo, Fausto 1398 ITA0.5010.284011.20 

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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