Individual Calculations September 2009
 Donaldson, Thomas  Total change: -26.25  Rating chartPersonal card
 Huntingdale Masters Perth AUS 2009-04-17
RcRownchangeKK*chgGame
 2088 2065 2.50 9 -1.75 15 -26.25 
  Choong, Yita 1897 AUS0.501-0.2215-3.30 
  Holland, Dennis 1963 AUS0.001-0.6415-9.60 
  Dunlop, Gordon 1915 AUS0.001-0.7015-10.50 
  Barber, Haydn J. f2178 AUS1.0010.65159.75 
  Kurniawan, Stephanus 2284 AUS0.001-0.2215-3.30 
  Roza, Peter 2057 AUS0.001-0.5115-7.65 
  Vlietstra, Marc 2075 AUS1.0010.51157.65 
  Boyd, Tristan 2279 AUS0.001-0.2315-3.45 
  Hare, Tim 2146 NZL0.001-0.3915-5.85 

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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