Individual Calculations April 2009
 Whitehead, David J  Total change: -26.85  Rating chartPersonal card
 Gibraltar Master 2009 Gibraltar ENG 2009-01-27
RcRownchangeKK*chgGame
 2058 2155 4.50 10 -1.79 15 -26.85 
  Cafolla, Peter 2013 IRL0.001-0.6915-10.35 
  Matto, Manuel 1855 ENG1.0010.15152.25 
  Carlsson, Pontus g2505 SWE0.001-0.1115-1.65 
  Helin, Mikael 1974 SWE1.0010.26153.90 
  Miedema, Roi f2325 NED0.001-0.2815-4.20 
  Dimitrijevic, Dragan 2069 ITA0.001-0.6215-9.30 
  Campbell, Ian 2023 ENG0.501-0.1815-2.70 
  Pettersen, Joar Gullestad 2016 NOR0.501-0.1915-2.85 
  Haug, Marianne Wold 1935 NOR0.501-0.2815-4.20 
  Ribon Calabia, Mariano 1864 ESP1.0010.15152.25 

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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