Individual Calculations February 2019
 O`dwyer, Fergal  Total change: 23.00  Rating chartPersonal card
 LCU Armstrong Cup 2018-19 Rounds 5-6 Dublin IRL 2018-12-08
RcRownchangeKK*chgGame
 1933 1920 0.50 1 0.02 20 0.40 
  Hogan, Pat 1933 IRL0.5010.02200.40 

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)
 
 The Irish O-50 and O-65 Championships 2019 Dublin IRL 2019-01-02
RcRownchangeKK*chgGame
 1947 1928 4.00 6 1.13 20 22.60 
  Durkan, Joe 1550 IRL1.0010.09201.80 
  Deneher, Jimmy 1730 IRL1.0010.24204.80 
  O`connell, Gerard 2120 IRL0.5010.25205.00 
  Doyle, Anthony 2210 IRL0.5010.34206.80 
  Moss, Robin f2289 ENG0.5010.40208.00 
  Murray, Jim 1785 IRL0.501-0.1920-3.80 

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)
 

 

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