Individual Calculations January 2009
 Rosario, Salvador  Total change: 9.90  Rating chartPersonal card
 26th Annual Sands Regency Reno - Western States Open Reno, Nevada USA 2008-10-17
RcRownchangeKK*chgGame
 2035 2165 2.00 2 0.66 15 9.90 
  Harmon, Luke 1978 USA1.0010.26153.90 
  Haring, Ruth Inez wm2091 USA1.0010.40156.00 

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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