Individual Calculations January 2012
 Duncan, Patrick C M  Total change: -54.30  Rating chartPersonal card
 London Chess Classic 2011: Open London ENG 2011-12-03
RcRownchangeKK*chgGame
 2005 2125 4.00 9 -1.81 30 -54.30 
  Forsa, Elise 1728 NOR1.0010.08302.40 
  Crouch, Colin S m2366 ENG0.001-0.2030-6.00 
  Rutten, David 1861 NED1.0010.18305.40 
  Radovanovic, Jovica f2309 ENG0.001-0.2630-7.80 
  Shweta, Gole 1999 IND0.001-0.6730-20.10 
  Kane, Robert 1889 ENG1.0010.20306.00 
  Calvert, D Ian 1950 ENG0.501-0.2330-6.90 
  Wallis, Ian J 2003 ENG0.001-0.6730-20.10 
  Tart, Peter K 1944 ENG0.501-0.2430-7.20 

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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