Individual Calculations March 2014
 Koons, Nat W  Total change: 9.15  Rating chartPersonal card
 2014 Washington State Championship Seattle, Washington USA 2014-02-08
RcRownchangeKK*chgGame
 2179 2262 5.50 8 0.61 15 9.15 
  Tiglon, Bryce 2128 USA1.0010.32154.80 
  Sang, Tian f2302 USA0.5010.06150.90 
  Perez, Ignacio f2196 USA1.0010.41156.15 
  Feng, Roland 2100 USA1.0010.29154.35 
  Wang, Michael 2132 USA0.501-0.1815-2.70 
  He, Daniel Ming 2179 USA1.0010.39155.85 
  Golub, David 2184 USA0.001-0.6115-9.15 
  Sinanan, Joshua C 2210 USA0.501-0.0715-1.05 

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)
 

 

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