Individual Calculations November 2009
 Mac Arthur, John  Total change: -6.30  Rating chartPersonal card
 131st Annual NY State Championship Albany, New York USA 2009-09-04
RcRownchangeKK*chgGame
 2192 2082 1.00 4 -0.42 15 -6.30 
  Getz, Alec f2244 USA0.001-0.2915-4.35 
  Taylor, Steven A 2211 USA0.001-0.3315-4.95 
  Battes, Lee T 2178 USA1.0010.63159.45 
  Aaron, Deepak 2135 USA0.001-0.4315-6.45 

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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