Individual Calculations February 2013
 Gray, Krishna  Total change: 3.90  Rating chartPersonal card
 2012 Pan American Intercollegiate Chess Championship Princeton, New Jersey USA 2012-12-27
RcRownchangeKK*chgGame
 2109 1720 0.00 1 -0.09 15 -1.35 
  Zheng, Haotian 2109 USA0.001-0.0915-1.35 

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)
 
 Frederick Cameron Open 2012 Kingston JAM 2012-12-29
RcRownchangeKK*chgGame
 1975 1720 0.00 2 -0.37 15 -5.55 
  Wisdom, Daren 1948 JAM0.001-0.2115-3.15 
  Myers, Peter 2001 JAM0.001-0.1615-2.40 

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)
 
 2013 Margaret Prince Celebration Tournament Bridgetown BAR 2013-01-18
RcRownchangeKK*chgGame
 1581 1716 4.00 5 0.72 15 10.80 
  Murray, Donna 1510 BAR1.0010.24153.60 
  Howard, Corinne 1717 BAR0.5010.00150.00 
  Soondarsingh, Aditi 1762 TRI0.5010.06150.90 
  Ramsay, Sheena wc1599 BAR1.0010.34155.10 
  Duboue, Michelle 1316  * FRA1.0010.08151.20 
 * 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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