Individual Calculations March 2011
 Duffy, Seamus  Total change: -10.20  Rating chartPersonal card
 Gonzaga Classic 2011 Dublin IRL 2011-02-04
RcRownchangeKK*chgGame
 1987 2022 1.50 4 -0.68 15 -10.20 
  Healy, John 1848 IRL1.0010.27154.05 
  Fitzsimons, David 2240 IRL0.001-0.2215-3.30 
  Zulkipli, Zaidan 2044 MAS0.001-0.4715-7.05 
  Lee, Shane 1816 IRL0.501-0.2615-3.90 

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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