Individual Calculations July 2010
 Trevelyan, John  Total change: -29.70  Rating chartPersonal card
 Four Nations Chess League (4NCL) Various ENG 2009-10-24
RcRownchangeKK*chgGame
 1969 2166 2.50 6 -1.98 15 -29.70 
  Fraser-Mitchell, Jeremy N 1993 ENG0.001-0.7315-10.95 
  Taylor, Robert P 1978 ENG1.0010.26153.90 
  Ruthen, Stephen W 2093 ENG0.001-0.6015-9.00 
  Burke, Mitchell R 1883 ENG1.0010.16152.40 
  Page, Mark E 1996 ENG0.001-0.7215-10.80 
  Payne, Matthew J 1871 ENG0.501-0.3515-5.25 

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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