Individual Calculations September 2009
 Grasso, David  Total change: 39.30  Rating chartPersonal card
 Dean of Chess Academy TransNet FIDE Invitational Branchburg, New Jersey USA 2009-07-11
RcRownchangeKK*chgGame
 2147 2131 7.00 9 2.62 15 39.30 
  Hall, Timothy J 2118 USA1.0010.48157.20 
  Swaminathan, Rahul 2060 USA0.001-0.6015-9.00 
  Ferrero, Steve 2153 USA1.0010.53157.95 
  Wu, Christopher 2153 USA1.0010.53157.95 
  Somers Jr, Michael 2039 USA1.0010.37155.55 
  Feuerstein, Arthur 2106 USA0.001-0.5315-7.95 
  Ippolito, Dean J m2455 USA1.0010.871513.05 
  Chen, Kevin E 2081 USA1.0010.43156.45 
  West, James R 2162 USA1.0010.54158.10 

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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