Individual Calculations January 2010
 Barnabei, Stefano  Total change: 22.50  Rating chartPersonal card
 OP Inverno ad Offida Offida ITA 2009-12-06
RcRownchangeKK*chgGame
 1857 1720 2.50 5 0.90 25 22.50 
  Santurbano, Maria Vincenza 1970 ITA0.5010.31257.75 
  Giobbi, Costantino 1921 ITA1.0010.762519.00 
  Silvestri, Giorgio 1805 ITA0.001-0.3825-9.50 
  Marinucci, Johnny 1754 ITA0.5010.05251.25 
  Iaconi, Andrea 1834 ITA0.5010.16254.00 

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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