Individual Calculations February 2019
 Lynch, Peter J.  Total change: -9.40  Rating chartPersonal card
 LCU Ennis Shield 2018-19 Rounds 3-4 Dublin IRL 2018-10-25
RcRownchangeKK*chgGame
 1725 1725 0.00 1 -0.50 20 -10.00 
  Reidy, Diarmuid 1725 IRL0.001-0.5020-10.00 

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)
 
 LCU Ennis Shield 2018-19 Rounds 5-6 Dublin IRL 2018-12-06
RcRownchangeKK*chgGame
 1309 1709 0.50 1 -0.42 20 -8.40 
  Murphy, Ronan J. 1309  * IRL0.501-0.4220-8.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 The Irish O-50 and O-65 Championships 2019 Dublin IRL 2019-01-02
RcRownchangeKK*chgGame
 1758 1702 3.00 6 0.45 20 9.00 
  Wallace, Paul 2102  * IRL0.001-0.0820-1.60 
  Barry, Suzanne 1302  * IRL1.0010.08201.60 
  Jackson, Peter 1856 IRL0.5010.21204.20 
  Coldrick, Art 1777 IRL0.5010.10202.00 
  Fitzsimons, Pat 1785 IRL0.001-0.3920-7.80 
  Scott, Peter 1723 IRL1.0010.532010.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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