Individual Calculations September 2019
 Rosen, Eric  Total change: 9.40  Rating chartPersonal card
 2019 Montreal Summer Chess Classic IM Norm Montreal CAN 2019-07-31
RcRownchangeKK*chgGame
 2298 2345 6.00 9 0.94 10 9.40 
  Rodrigue-Lemieux, Shawn f2257 CAN0.501-0.1210-1.20 
  Chiku-Ratte, Olivier Kenta f2364 CAN0.5010.03100.30 
  Giannatos, Peter f2259 USA1.0010.38103.80 
  Eckert, Doug f2123 USA1.0010.22102.20 
  Kaufman, Raymond m2301 CAN0.501-0.0610-0.60 
  Ragnarsson, Dagur f2391 ISL0.5010.06100.60 
  Plotkin, Mark f2357 CAN0.5010.02100.20 
  Yu, Zong Yang f2396 CAN0.5010.07100.70 
  Duong, Thanh Nha m2230 CAN1.0010.34103.40 

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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