Individual Calculations October 2008
 O`Connell, Gerard  Total change: -4.50  Rating chartPersonal card
 Irish Chess Championships Dublin IRL 2008-07-05
RcRownchangeKK*chgGame
 2090 2122 3.50 7 -0.30 15 -4.50 
  Benson, Oisin P. 1852 IRL1.0010.17152.55 
  Baburin, Alexander g2472 IRL0.001-0.1115-1.65 
  Loughran, John 1805 IRL1.0010.13151.95 
  Jessel, Stephen f2294 IRL0.001-0.2715-4.05 
  Fox, Anthony 2068 IRL0.001-0.5815-8.70 
  Carosso, Andrea 2046 ITA0.501-0.1015-1.50 
  Keogh, Eamon 2092 IRL1.0010.46156.90 

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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