Individual Calculations May 2011
 Coffey, Patrick  Total change: 9.15  Rating chartPersonal card
 Scottish National League Grangemouth SCO 2010-10-31
RcRownchangeKK*chgGame
 2067 2188 4.50 6 0.61 15 9.15 
  Constantinou, Peter f2306 ENG0.5010.16152.40 
  Marks, Ian A 1919 SCO1.0010.17152.55 
  Thomson, Neil 1946 SCO1.0010.20153.00 
  Parks, Joe 1934 SCO1.0010.19152.85 
  Burnett, Andrew B 2153 SCO0.001-0.5515-8.25 
  Neave, George 2142 SCO1.0010.44156.60 

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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