Individual Calculations July 2019
 Ferrara, Pietro  Total change: -30.20  Rating chartPersonal card
 WE 23 Salsomaggiore Terme - B Salsomaggiore Terme ITA 2019-06-07
RcRownchangeKK*chgGame
 1623 1819 3.00 6 -1.51 20 -30.20 
  Biacchi, Alessandro 1565 ITA0.501-0.3120-6.20 
  Mangia, Roberto 1605 ITA0.501-0.2720-5.40 
  Coqueraut, Jean Dominique 1649 ITA1.0010.28205.60 
  Gorini, Michele 1672 ITA0.001-0.7020-14.00 
  De Zaiacomo, Tonino 1625 ITA1.0010.25205.00 
  Tosi, Luigi 1620 ITA0.001-0.7620-15.20 

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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