Individual Calculations September 2009
 Harris, David  Total change: 7.95  Rating chartPersonal card
 39th Annual Continental Open Sturbridge, Massachusetts USA 2009-08-13
RcRownchangeKK*chgGame
 2185 2077 2.00 4 0.53 15 7.95 
  Cherniack, Alex 2230 USA0.001-0.3015-4.50 
  Perez Billinghurst, Ricardo 2109 USA0.001-0.4615-6.90 
  Sobo, Henry C 2040 USA1.0010.45156.75 
  Shmelov, Denys K 2360 UKR1.0010.841512.60 

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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