Individual Calculations April 2019
 Butler, Brian J  Total change: -25.20  Rating chartPersonal card
 2019 ACT Championships Canberra AUS 2019-03-08
 1634 1851 4.00 7 -1.26 20 -25.20 
  Cunningham, Campbell 1451  * AUS1.0010.08201.60 
  Ho, Lachlan 1612 AUS0.501-0.3020-6.00 
  Badrinarayan, Siddhant 1620 AUS0.501-0.2920-5.80 
  Radisich, Matt 1604 AUS0.501-0.3120-6.20 
  Egan, Bill c1592 AUS0.501-0.3220-6.40 
  Dunn, Paul 1488 AUS1.0010.10202.00 
  Kethro, Michael f2073 AUS0.001-0.2220-4.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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