Individual Calculations September 2011
 O`Connell, Gerard  Total change: -1.80  Rating chartPersonal card
 Irish Chess Championships Dublin IRL 2011-07-02
RcRownchangeKK*chgGame
 2092 2142 5.00 9 -0.12 15 -1.80 
  King, Melvyn 1980 IRL1.0010.29154.35 
  Brady, Stephen f2357 IRL0.001-0.2315-3.45 
  McCabe, Darren 2024 IRL0.501-0.1615-2.40 
  Moran, Stephen 1983 IRL0.001-0.7115-10.65 
  Keogh, Eamon 2015 IRL1.0010.33154.95 
  Cafolla, Peter 2053 IRL0.501-0.1215-1.80 
  Short, Philip M f2293 IRL0.001-0.3015-4.50 
  O`Connor, Jonathan 2124 IRL1.0010.47157.05 
  Benson, Oisin P. 2003 IRL1.0010.31154.65 

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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