Individual Calculations May 2011
 Bartell, Thomas  Total change: 17.85  Rating chartPersonal card
 2011 World Amateur Team & US Team East Parsippany, New Jersery USA 2011-02-19
RcRownchangeKK*chgGame
 2277 2334 3.50 4 1.19 15 17.85 
  Goldberg, Mitchell f2269 USA1.0010.41156.15 
  Lewis, James E 2230 DOM1.0010.36155.40 
  Miller, Daniel Isaac 2261 USA0.501-0.1015-1.50 
  Kelleher, William f2346 USA1.0010.52157.80 

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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