Individual Calculations April 2009
 Cutmore, Martin J  Total change: 4.65  Rating chartPersonal card
 Uxbridge Open Uxbridge ENG 2009-02-20
RcRownchangeKK*chgGame
 2115 2056 2.00 4 0.31 15 4.65 
  Bonafont, Philip R 2140 ENG0.001-0.3815-5.70 
  Rocks, Daniel 2129 SCO1.0010.60159.00 
  Poobalasingam, Peter S 2225 ENG0.5010.22153.30 
  Gibson, Christopher A 1964 ENG0.501-0.1315-1.95 

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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