Individual Calculations May 2015
 Porter, Marcus  Total change: 39.20  Rating chartPersonal card
 O2C Doeberl Cup 2015 - Major Canberra AUS 2015-04-03
RcRownchangeKK*chgGame
 1726 1840 5.50 7 0.98 40 39.20 
  Harris, Bruce 1696 AUS0.001-0.6940-27.60 
  Marsh, Luke 1664 AUS1.0010.274010.80 
  Kay, James 1662 AUS0.501-0.2340-9.20 
  Gooch, Heath 1577 AUS1.0010.18407.20 
  Sirkka, Pertti T 1895 AUS1.0010.584023.20 
  Mather, Andrew 1842 AUS1.0010.504020.00 
  Vucak, Mark 1746 AUS1.0010.374014.80 

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)
 

 

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