Individual Calculations December 2013
 Coffey, Patrick  Total change: -7.20  Rating chartPersonal card
 Scottish National League Division 1 round 1-4 Dunfermline SCO 2013-10-27
RcRownchangeKK*chgGame
 2024 2217 2.50 4 -0.48 15 -7.20 
  Frew, Elliot 2085 SCO0.001-0.6815-10.20 
  Kelly, J Steven 1922 SCO1.0010.15152.25 
  Spencer, Edwin A 2117 SCO0.501-0.1415-2.10 
  Walker, Duncan 1971 SCO1.0010.19152.85 

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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