Individual Calculations October 2008
 Ui Laighleis, Gearoidin  Total change: -50.00  Rating chartPersonal card
 Irish Chess Championships Dublin IRL 2008-07-05
RcRownchangeKK*chgGame
 1989 1985 1.00 6 -2.00 25 -50.00 
  Orr, Mark m2258 IRL0.001-0.1725-4.25 
  Loughran, John 1805 IRL0.001-0.7425-18.50 
  Benson, Oisin P. 1852 IRL0.001-0.6825-17.00 
  Cafolla, Peter 2055 IRL0.001-0.4025-10.00 
  McCarthy, Tim 2020 IRL0.001-0.4525-11.25 
  Boyle, Bernard 1945 IRL1.0010.442511.00 

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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