Individual Calculations September 2017
 Lightfoot, Malcolm J  Total change: 9.60  Rating chartPersonal card
 104th British Championships Over 65 Llandudno ENG 2017-07-30
RcRownchangeKK*chgGame
 1955 1873 3.00 7 0.24 40 9.60 
  Myall, Ivan J 2046 ENG1.0010.734029.20 
  Burnett, Jim 2104 ENG0.001-0.2140-8.40 
  Habershon, Paul F 2018 ENG0.5010.19407.60 
  Milnes, Anthony Cp 2002 ENG0.001-0.3340-13.20 
  Bryant, Richard Be 1976 ENG0.5010.14405.60 
  Moore, Gillian A 1833 ENG0.501-0.0640-2.40 
  Holland, Ray J 1707 WLS0.501-0.2240-8.80 

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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