Individual Calculations May 2012
 Ritvin, Stan  Total change: 3.90  Rating chartPersonal card
 42nd Annual World Amateur Team and US Team East Parsippany, New Jersey USA 2012-02-18
RcRownchangeKK*chgGame
 2061 2241 1.00 1 0.26 15 3.90 
  Goldberg, Benjamin 2061 USA1.0010.26153.90 

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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