Individual Calculations May 2012
 Ryba, Nicholas  Total change: -4.20  Rating chartPersonal card
 42nd Annual World Amateur Team and US Team East Parsippany, New Jersey USA 2012-02-18
RcRownchangeKK*chgGame
 2007 2112 1.00 2 -0.28 15 -4.20 
  Ventura, Christopher 1961 USA1.0010.30154.50 
  Chi, Patrick 2052 USA0.001-0.5815-8.70 

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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