Individual Calculations May 2018
 Petitta, Massimo  Total change: -16.40  Rating chartPersonal card
 FE 14 Grand Hotel Adriatico - B Montesilvano ITA 2018-04-13
RcRownchangeKK*chgGame
 1612 1672 2.00 5 -0.82 20 -16.40 
  Bacigalupi, Giuseppe 1333 ITA0.501-0.3820-7.60 
  Trentadue, Davide 1634 ITA1.0010.45209.00 
  Piangerelli, Michele 1771 ITA0.5010.14202.80 
  Di Stasio, Danilo 1746 ITA0.001-0.4020-8.00 
  Di Maulo, Alessandra 1574 ITA0.001-0.6320-12.60 

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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