Individual Calculations November 2010
 Duncan, Leonard  Total change: -7.65  Rating chartPersonal card
 Trinidad and Tobago 2nd National Qualifier Port of Spain Trinidad TRI 2010-04-10
RcRownchangeKK*chgGame
 1831 2029 1.00 2 -0.51 15 -7.65 
  Lee, Hayden 1856 TRI0.001-0.7315-10.95 
  Smith, Javanna wc1805 TRI1.0010.22153.30 

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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