Individual Calculations September 2009
 Grant, Jonathan I M  Total change: -4.65  Rating chartPersonal card
 116th Open Scottish Chess Championship Edinburgh SCO 2009-07-11
RcRownchangeKK*chgGame
 2173 2254 4.50 8 -0.31 15 -4.65 
  Hookham, Jamie 1997 SCO1.0010.18152.70 
  Motwani, Paul A g2503 SCO0.001-0.1915-2.85 
  Walker, Duncan 1993 SCO0.501-0.3215-4.80 
  Neave, George 2090 SCO0.501-0.2215-3.30 
  Burnett, Walter 2018 SCO1.0010.20153.00 
  Morrison, Graham J f2366 SCO0.5010.15152.25 
  Foord, Dominic 2069 ENG1.0010.26153.90 
  Gourlay, Iain f2349 SCO0.001-0.3715-5.55 

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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