Individual Calculations June 2013
 Delaney, Michael C.  Total change: 2.10  Rating chartPersonal card
 Leinster Chess Union Div 1 Armstrong Cup 2012-2013 Dublin IRL 2012-09-17
RcRownchangeKK*chgGame
 1865 1827 1.50 2 0.60 30 18.00 
  Egan, Colm 1937 IRL0.5010.15304.50 
  Fitzsimons, Pat 1793 IRL1.0010.453013.50 

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
 1724 1827 0.50 1 -0.14 30 -4.20 
  Creighton, Terry 1724 IRL0.501-0.1430-4.20 

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
 1876 1827 0.50 2 -0.39 30 -11.70 
  Lynch, Peter J. 1712 IRL0.501-0.1630-4.80 
  Carlile, Orison 2039 IRL0.001-0.2330-6.90 

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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