Individual Calculations March 2020
 Peng, Shunkai  Total change: -13.20  Rating chartPersonal card
 Oregon Closed Championship 2020 - Championship Portland, Oregon USA 2020-02-08
RcRownchangeKK*chgGame
 2105 2343 2.50 4 -0.66 20 -13.20 
  Richardson, Ryan 2023 USA1.0010.13202.60 
  Zavortink, Matt 2166 USA0.501-0.2320-4.60 
  Grabinsky, Joshua c2182 USA0.501-0.2120-4.20 
  Lebovitz, Andrew 2049 USA0.501-0.3520-7.00 

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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