Individual Calculations February 2020
 Donohoe, Eugene  Total change: 0.60  Rating chartPersonal card
 LCU Ennis Shield 2019-20 Rounds 2-5 Leinster IRL 2019-10-07
RcRownchangeKK*chgGame
 1729 1599 0.00 4 -1.36 20 -27.20 
  Peoples, Jonathon 1916 IRL0.001-0.1320-2.60 
  Leavy, Paul A. 1642 IRL0.001-0.4420-8.80 
  Malone, Paul 1667 IRL0.001-0.4120-8.20 
  Kildea, Robbie 1690 IRL0.001-0.3820-7.60 

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 2019-20 Round 6 Leinster IRL 2020-01-01
RcRownchangeKK*chgGame
 1480 1599 1.00 1 0.34 20 6.80 
  O`gorman, Brian 1480 IRL1.0010.34206.80 

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 over 50 and over 65 Championships 2020 Dublin IRL 2020-01-02
RcRownchangeKK*chgGame
 1788 1599 3.00 7 1.05 20 21.00 
  Murray, Jim 1923 IRL0.5010.37207.40 
  Dalling, Peter c1834 SWE1.0010.792015.80 
  O`connor, Jonathan 1999  * IRL0.001-0.0820-1.60 
  Mirza, Gabriel 1651 IRL0.001-0.4320-8.60 
  McMahon, John 1718 IRL1.0010.662013.20 
  Cassidy, Sydney 1602 IRL0.5010.00200.00 
  Fitzsimons, Pat 1787 IRL0.001-0.2620-5.20 
 * 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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