Individual Calculations February 2013
 Duboue, Michelle  Total change: -12.00  Rating chartPersonal card
 2013 Margaret Prince Celebration Tournament Bridgetown BAR 2013-01-18
RcRownchangeKK*chgGame
 1587 1219 0.00 4 -0.40 30 -12.00 
  Soondarsingh, Aditi 1619  * TRI0.001-0.0830-2.40 
  Murray, Donna 1510 BAR0.001-0.1530-4.50 
  Ramsay, Sheena wc1599 BAR0.001-0.0930-2.70 
  Gray, Krishna 1619  * JAM0.001-0.0830-2.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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