Individual Calculations April 2017
 Duffy, Seamus  Total change: -15.20  Rating chartPersonal card
 Munster Chess Union Division 1 - 2016/17 Rounds 7 - 9 Various IRL 2016-12-03
RcRownchangeKK*chgGame
 1844 2018 0.50 1 -0.23 20 -4.60 
  O`donovan, Paul 1844 IRL0.501-0.2320-4.60 

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)
 
 Armstrong Cup 2016-17 Rounds 7-8 Various IRL 2017-01-25
RcRownchangeKK*chgGame
 1963 2016 1.00 2 -0.14 20 -2.80 
  Grau Pacheco, Marc 1935 ESP1.0010.39207.80 
  Manojlovic, Zdravko 1991 SRB0.001-0.5320-10.60 

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)
 
 National Club Championships 2017 Dublin IRL 2017-03-03
RcRownchangeKK*chgGame
 2046 2021 1.50 4 -0.39 20 -7.80 
  Jackson, Peter D 1914 IRL0.001-0.6520-13.00 
  Aherne, John P 1962 IRL1.0010.42208.40 
  Delaney, Killian 2241 IRL0.001-0.2220-4.40 
  Kennedy, John 2066 IRL0.5010.06201.20 

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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