Individual Calculations March 2018
 O`shea, Niall  Total change: 2.40  Rating chartPersonal card
 Ennis Shield 2017-18 Rounds 5-6 Various IRL 2017-11-07
RcRownchangeKK*chgGame
 1761 1778 0.50 1 -0.02 40 -0.80 
  Mahon, Ciaran 1761 IRL0.501-0.0240-0.80 

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)
 
 Armstrong Cup 2017-18 Rounds 5-6 Various IRL 2017-11-15
RcRownchangeKK*chgGame
 1838 1778 0.50 1 0.08 40 3.20 
  Creighton, Terry 1838 IRL0.5010.08403.20 

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)
 

 

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