Individual Calculations July 2009
 Kordahi, Nicholas  Total change: -36.60  Rating chartPersonal card
 St George Chess Club Championship Sydney AUS 2009-02-17
RcRownchangeKK*chgGame
 2005 1913 2.50 9 -0.91 15 -13.65 
  Mavroidis, Jim 1996 AUS0.001-0.3915-5.85 
  Plant, John Stuart 1798 AUS1.0010.34155.10 
  Watharow, Sean 2057 AUS0.001-0.3115-4.65 
  Rose, Adrian 2083 AUS0.5010.22153.30 
  Musaeva, Aina 1993 RUS0.5010.11151.65 
  Radev, Nikola 2040 AUS0.001-0.3315-4.95 
  Rewais, Sarwat 1960 AUS0.001-0.4315-6.45 
  Zworestine, Charles 2108 AUS0.5010.25153.75 
  Babic, Michael S 2009 AUS0.001-0.3715-5.55 

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)
 
 Doeberl Cup Premier Canberra AUS 2009-04-09
RcRownchangeKK*chgGame
 2032 1913 1.00 8 -1.79 15 -26.85 
  Wallis, Christopher 2250 AUS0.001-0.1215-1.80 
  Nguyen, Thu Giang 2106 AUS0.001-0.2515-3.75 
  Fitzpatrick, Andrew 2022 AUS0.001-0.3515-5.25 
  Davis, Tony 1983 AUS0.5010.10151.50 
  Stojic, Svetozar 1989 AUS0.001-0.4015-6.00 
  Gibbons, Robert 2067 NZL0.001-0.2915-4.35 
  Goundar, Sanmogam 1903 FIJ0.501-0.0115-0.15 
  Dalton, Samuel 1932 AUS0.001-0.4715-7.05 

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)
 
 NSW Open Sydney AUS 2009-06-06
RcRownchangeKK*chgGame
 2121 1913 1.00 3 0.26 15 3.90 
  Smerdon, David m2263 AUS0.001-0.1115-1.65 
  Capilitan, Romeo 2087 AUS0.5010.23153.45 
  Camer, Angelito 2013 AUS0.5010.14152.10 

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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