Individual Calculations May 2012
 Alfredsen, John Rune  Total change: -47.70  Rating chartPersonal card
 e2e4 Dublin Masters Dublin IRL 2012-04-05
RcRownchangeKK*chgGame
 2017 2077 2.50 7 -1.59 30 -47.70 
  Keogh, Eamon 2001 IRL0.501-0.1030-3.00 
  Quinn, Mark m2398 IRL0.001-0.1330-3.90 
  Magee, Ronan 1947 IRL0.501-0.1830-5.40 
  Armstrong, Malcolm J. 2026 ENG0.001-0.5730-17.10 
  Carlile, Orison 2048 IRL0.501-0.0430-1.20 
  O`Donnell, Conor 1804 IRL0.501-0.3330-9.90 
  Salter, David 1897 IRL0.501-0.2430-7.20 

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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