Individual Calculations April 2017
 Bolla, Vittorio  Total change: -9.00  Rating chartPersonal card
 OP 10 Memorial Salvatore Nobile Roma ITA 2017-01-05
RcRownchangeKK*chgGame
 1654 1643 3.50 8 -0.45 20 -9.00 
  Turriziani Colonna, Giovanni 1983 ITA0.001-0.1220-2.40 
  Bertollini, Ferruccio 1451 ITA1.0010.25205.00 
  Catalini, Giampiero 1817 ITA0.001-0.2720-5.40 
  Messineo, Carlo 1606 ITA0.501-0.0520-1.00 
  Abuhamdieh, Nando 1507 ITA0.001-0.6820-13.60 
  Arceri, Paolo 1568 ITA1.0010.40208.00 
  Vannelli, Vittorio 1657 ITA1.0010.522010.40 
  Ricci, Giulio 1646 ITA0.001-0.5020-10.00 

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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