Individual Calculations September 2009
 Cafolla, Peter  Total change: 6.45  Rating chartPersonal card
 Irish Chess Championships Dublin IRL 2009-07-04
RcRownchangeKK*chgGame
 2094 2046 4.00 8 0.43 15 6.45 
  Brady, Stephen f2384 IRL0.001-0.1215-1.80 
  Murray, David B. 1981 IRL1.0010.41156.15 
  Fitzsimons, David 2167 IRL0.001-0.3415-5.10 
  Babei, Angelica 2015 MDA0.501-0.0415-0.60 
  O`Leary, Matt 2053 IRL1.0010.51157.65 
  Duffy, Seamus 2078 IRL1.0010.54158.10 
  Quinn, Ciaran 2133 IRL0.001-0.3815-5.70 
  Loughran, John 1939 IRL0.501-0.1515-2.25 

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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