Individual Calculations February 2020
 O`daly, Liam  Total change: -23.40  Rating chartPersonal card
 LCU Ennis Shield 2019-20 Rounds 2-5 Leinster IRL 2019-10-07
RcRownchangeKK*chgGame
 1570 1691 2.00 4 -0.60 40 -24.00 
  Ng, Zhi Ying Natanya 1401 SGP1.0010.16406.40 
  Tempany, Max 1618 IRL0.001-0.6040-24.00 
  Whelan, Niall P. 1539 IRL0.001-0.7040-28.00 
  Deneher, Jimmy 1720 IRL1.0010.544021.60 

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)
 
NOTE: K factor changed
 LCU Ennis Shield 2019-20 Round 6 Leinster IRL 2020-01-01
RcRownchangeKK*chgGame
 1720 1691 1.00 1 0.54 20 10.80 
  Brennan, Shane 1720 IRL1.0010.542010.80 

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)
 
NOTE: K factor changed
 The Irish over 50 and over 65 Championships 2020 Dublin IRL 2020-01-02
RcRownchangeKK*chgGame
 1699 1691 2.50 6 -0.51 20 -10.20 
  O`connor, Jonathan 2091  * IRL0.001-0.0820-1.60 
  Dimitrov, Nikolai 1435 IRL1.0010.19203.80 
  Jackson, Peter D. 1798 IRL0.5010.15203.00 
  Quigley, Colm 1956 IRL0.001-0.1820-3.60 
  Fitzpatrick, Kevin 1431 IRL0.001-0.8220-16.40 
  Maher, John 1483 IRL1.0010.23204.60 
 * 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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