Individual Calculations November 2009
 O`Donovan, Richard  Total change: 16.05  Rating chartPersonal card
 Armstrong Cup Dublin IRL 2008-09-15
RcRownchangeKK*chgGame
 2118 2162 5.00 7 1.07 15 16.05 
  McCarthy, Tim 2020 IRL0.501-0.1915-2.85 
  Joyce, John 2259 IRL0.5010.13151.95 
  O`Connor, Eddie 1988 IRL1.0010.27154.05 
  Killane, Jack 2066 IRL1.0010.37155.55 
  Quinn, Mark m2401 IRL1.0010.801512.00 
  Murray, David B. 1974 IRL0.001-0.7415-11.10 
  Macelligott, Gerard 2115 IRL1.0010.43156.45 

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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