Individual Calculations September 2011
 Collier, Philip M  Total change: -27.60  Rating chartPersonal card
 39th Annual World Open - U2400 Section Philadelphia, Pennsylvania USA 2011-06-28
RcRownchangeKK*chgGame
 2018 2002 2.00 8 -1.84 15 -27.60 
  Perez, Robert M 2239 USA0.001-0.2015-3.00 
  De Fotis, Gary C 2032 USA0.5010.04150.60 
  Winter, Curtis A 1928 USA0.501-0.1015-1.50 
  Moorthy, Srinivas 1890 USA0.501-0.1515-2.25 
  Lucente, Mike 2041 USA0.001-0.4515-6.75 
  Alvarez, Franklin 2156 DOM0.001-0.2915-4.35 
  Bowersock, Michael 2061 USA0.5010.08151.20 
  Chiang, Jonathan 1793 USA0.001-0.7715-11.55 

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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