Individual Calculations June 2013
 Hayes, Peter J.  Total change: 11.70  Rating chartPersonal card
 Leinster Chess Union Div 1 Armstrong Cup 2012-2013 Dublin IRL 2012-09-17
RcRownchangeKK*chgGame
 1896 2028 4.50 5 1.14 15 17.10 
  Bradley, John 1905 IRL1.0010.33154.95 
  Salter, David 1904 IRL0.501-0.1715-2.55 
  Kennedy, Michael J. 1819 IRL1.0010.23153.45 
  Dennehy, Tony 2057 IRL1.0010.54158.10 
  Fitzsimons, Pat 1793 IRL1.0010.21153.15 

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
 2045 2020 1.50 4 -0.36 15 -5.40 
  Reynolds, Pat 2013 IRL0.001-0.5115-7.65 
  Kennedy, John P. A. 2046 IRL1.0010.54158.10 
  Fox, Anthony 2108 IRL0.5010.12151.80 
  Morriss, Pete 2013 IRL0.001-0.5115-7.65 

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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