Individual Calculations March 2018
 Bragg, David  Total change: -30.00  Rating chartPersonal card
 2018 Washington State Championship - Premier Seattle, Washington USA 2018-02-10
RcRownchangeKK*chgGame
 1953 2126 5.00 9 -1.50 20 -30.00 
  Zhang, Brendan 1956 USA0.001-0.7220-14.40 
  Moroney, Timothy 2064 USA1.0010.41208.20 
  Kelley, Dereque 2061 USA0.501-0.0920-1.80 
  Lee, Addison 1945 USA0.501-0.2420-4.80 
  Bishop, Alan 1838 USA1.0010.16203.20 
  Bashkansky, Naomi wm1910 USA1.0010.22204.40 
  Watts, Peter 1980 USA1.0010.30206.00 
  Zhang, Eric 1901 USA0.001-0.7820-15.60 
  Airapetian, Chouchanik wf1926 USA0.001-0.7620-15.20 

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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