Individual Calculations August 2012
 Rosen, Eric S  Total change: -15.75  Rating chartPersonal card
 2012 US Junior Closed - Group B St Louis, Missouri USA 2012-07-10
 2324 2328 2.50 7 -1.05 15 -15.75 
  Troff, Kayden W f2271 USA0.501-0.0815-1.20 
  Cao, Kevin Y 2184 USA0.001-0.6915-10.35 
  Naroditsky, Daniel m2486 USA1.0010.711510.65 
  Perez, Robert 2334 USA1.0010.51157.65 
  Sturt, Raven M 2248 USA0.001-0.6115-9.15 
  Arnold, Marc Tyler m2529 USA0.001-0.2415-3.60 
  Williams, Justus D 2216 USA0.001-0.6515-9.75 

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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