Individual Calculations April 2009
 Aldridge, Alan L.  Total change: -1.80  Rating chartPersonal card
 2009 Queenstown Chess Classic incorp 116th NZL Championship Queenstown NZL 2009-01-15
RcRownchangeKK*chgGame
 2166 1946 1.50 7 -0.12 15 -1.80 
  Lyell, Mark f2286 ENG0.001-0.1215-1.80 
  Bakker, Sven 2233 NED0.001-0.1615-2.40 
  Grigoryan, Meri wf2092 ENG0.001-0.3015-4.50 
  Armstrong, Malcolm J 2060 ENG0.5010.16152.40 
  McNabb, Matthew David 2095 NZL1.0010.701510.50 
  Garbett, Paul Anthony m2296 NZL0.001-0.1115-1.65 
  Dizdarevic, Mehmedalija 2102 BIH0.001-0.2915-4.35 

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)
 

 

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