Individual Calculations July 2009
 Hebbes, Tim  Total change: 17.70  Rating chartPersonal card
 Southend Open Southend ENG 2009-04-10
RcRownchangeKK*chgGame
 2124 2107 4.50 7 1.18 15 17.70 
  Lefevre, Stephen D 1864 ENG1.0010.20153.00 
  Ledger, Dave J f2235 ENG0.5010.17152.55 
  Sugden, John N 2227 ENG0.5010.16152.40 
  Lewis, Andrew P f2276 ENG0.001-0.2815-4.20 
  Gray, Mark S 2125 ENG0.5010.03150.45 
  Helin, Mikael 1999 SWE1.0010.35155.25 
  Ledger, Stephen C 2140 ENG1.0010.55158.25 

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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