Individual Calculations July 2010
 Mack, Andrew L  Total change: -10.05  Rating chartPersonal card
 Four Nations Chess League (4NCL) Various ENG 2009-10-24
RcRownchangeKK*chgGame
 2304 2237 3.50 10 -0.67 15 -10.05 
  Tymrakiewicz, Rafal 2269 POL0.5010.04150.60 
  Pinter, Gabor m2349 HUN0.001-0.3515-5.25 
  Wheeler, Darren P 2240 ENG1.0010.50157.50 
  Berry, Neil f2301 SCO0.001-0.4115-6.15 
  Emms, John M g2484 ENG0.001-0.1915-2.85 
  Rawlinson, Aidan M 2207 ENG0.501-0.0415-0.60 
  Cramling, Pia g2535 SWE0.001-0.1515-2.25 
  Duncan, Chris R f2326 ENG0.5010.12151.80 
  Muter, Donny 2221 ENG0.501-0.0215-0.30 
  James, David J f2110 WLS0.501-0.1715-2.55 

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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