Individual Calculations September 2009
 Nicolson, Jim R  Total change: -0.75  Rating chartPersonal card
 British Championships-Seniors Torquay ENG 2009-08-01
RcRownchangeKK*chgGame
 1978 1931 3.00 7 -0.05 15 -0.75 
  Barton, R Alan 2114 ENG0.001-0.2615-3.90 
  Macrae, James S 1765 SCO0.501-0.2215-3.30 
  Price, Andrew 2032 ENG0.5010.14152.10 
  Ellison, D George 2078 ENG0.5010.20153.00 
  Armstrong, William G 1975 ENG0.001-0.4415-6.60 
  Norman, Dinah M wc1950 ENG0.5010.03150.45 
  Moore, Gillian A 1929 ENG1.0010.50157.50 

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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