Individual Calculations May 2017
 Ludwig, John G  Total change: 16.40  Rating chartPersonal card
 2017 CCCSA IM Norm Invitational (B Group) Charlotte, North Carolina USA 2017-03-29
RcRownchangeKK*chgGame
 2295 2397 6.50 9 0.82 20 16.40 
  Javakhadze, Zurab m2470 GEO0.5010.10202.00 
  Potula, Kapish 2075 USA1.0010.13202.60 
  Kleinman, Michael f2289 CAN0.501-0.1520-3.00 
  Brodsky, David f2330 USA1.0010.41208.20 
  Francisco, Richard 2253 USA0.501-0.1920-3.80 
  Wang, Tianqi 2215 USA1.0010.26205.20 
  Martin Del Campo C., Roberto m2392 MEX1.0010.49209.80 
  Vigorito, David m2370 USA0.501-0.0420-0.80 
  Harazinska, Ewa wm2257 POL0.501-0.1920-3.80 

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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