Individual Calculations June 2013
 Lynch, Peter J.  Total change: -2.40  Rating chartPersonal card
 Leinster Chess Union Div 1 Armstrong Cup 2012-2013 Dublin IRL 2012-09-17
RcRownchangeKK*chgGame
 1818 1712 0.50 1 0.14 15 2.10 
  Lowry-O`Reilly, Hannah wf1818 IRL0.5010.14152.10 

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)
 
 Leinster Chess Union Div 2 Heidenfeld Trophy 2012-2013 Dublin IRL 2012-09-22
RcRownchangeKK*chgGame
 2008 1712 0.00 2 -0.33 15 -4.95 
  Dunne, Pearse 1915 IRL0.001-0.2415-3.60 
  Wallace, Martin 2100 IRL0.001-0.0915-1.35 

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)
 
 National Club Championships 2013 Dublin IRL 2013-04-27
RcRownchangeKK*chgGame
 1933 1712 0.50 2 0.03 15 0.45 
  Carlile, Orison 2039 IRL0.001-0.1315-1.95 
  Delaney, Michael C. 1827 IRL0.5010.16152.40 

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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