Individual Calculations March 2020
 Raptis, Nick  Total change: 26.00  Rating chartPersonal card
 Oregon Closed Championship 2020 - Championship Portland, Oregon USA 2020-02-08
RcRownchangeKK*chgGame
 2032 2204 7.00 8 1.30 20 26.00 
  Cosner, Karl 1981 USA1.0010.22204.40 
  Richardson, Ryan 2023 USA1.0010.26205.20 
  Zavortink, Matt 2166 USA1.0010.45209.00 
  Grabinsky, Joshua c2182 USA0.001-0.5320-10.60 
  Lebovitz, Andrew 2049 USA1.0010.29205.80 
  Haessler, Carl 2016 USA1.0010.26205.20 
  Tang, Zoey 1807 USA1.0010.08201.60 
  Bjorksten, Lennart 2028 USA1.0010.27205.40 

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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