Individual Calculations May 2010
 Cooper, Andrew  Total change: -1.50  Rating chartPersonal card
 Armstrong Cup Dublin IRL 2009-09-21
RcRownchangeKK*chgGame
 2148 2160 2.50 5 -0.10 15 -1.50 
  Spirek, Adam 2066 CZE0.001-0.6315-9.45 
  Bittner, Thomas 2190 GER0.5010.04150.60 
  Loughran, John 1940 IRL1.0010.22153.30 
  Quinn, Mark m2403 IRL0.5010.30154.50 
  O`Donovan, Richard 2140 IRL0.501-0.0315-0.45 

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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