Individual Calculations February 2017
 Feng, Roland  Total change: -22.40  Rating chartPersonal card
 26th Annual North American Open Las Vegas, Nevada USA 2016-12-26
RcRownchangeKK*chgGame
 2239 2340 4.50 9 -1.12 20 -22.40 
  Odeh, Kenneth f1979 NGR1.0010.10202.00 
  Wang, Michael 2165 USA0.501-0.2320-4.60 
  Brown, Michael W m2452 USA0.001-0.3520-7.00 
  Eckert, Doug D f2152 USA1.0010.26205.20 
  Li, Ruifeng m2569 USA0.001-0.2120-4.20 
  Banik, Siddharth G 2185 USA1.0010.29205.80 
  Zhu, Jack Qijie 2288 USA0.001-0.5720-11.40 
  Feng, Maggie wc2120 USA1.0010.22204.40 
  Raptis, Nick f2244 USA0.001-0.6320-12.60 

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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