Individual Calculations May 2014
 Clarke, Sean A  Total change: 20.10  Rating chartPersonal card
 Southend Open 2014 Southend ENG 2014-04-18
RcRownchangeKK*chgGame
 2013 1930 3.50 7 0.67 30 20.10 
  Constantinou, Peter f2295 ENG0.001-0.1030-3.00 
  Lefevre, Stephen D 1815 ENG1.0010.343010.20 
  Peck, Silas O J 1842 ENG1.0010.383011.40 
  Hebbes, Tim 2114 ENG0.001-0.2630-7.80 
  Williamson, Paul L 2120 ENG0.5010.25307.50 
  Moore, John C 2026 ENG0.5010.13303.90 
  Matthews, Adrian M S 1882 ENG0.501-0.0730-2.10 

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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