Individual Calculations September 2019
 Doknjas, Joshua  Total change: 67.60  Rating chartPersonal card
 2019 NAYCC U18 Open Kingston CAN 2019-08-16
 2257 2237 5.00 7 1.69 40 67.60 
  Chen, Richard f2291 CAN1.0010.584023.20 
  Wu, Rochelle wm2161 USA1.0010.404016.00 
  Ouellet, Maili-Jade wm2211 CAN0.501-0.0440-1.60 
  Wang, Wesley f2269 USA0.5010.04401.60 
  Costello, Alexander f2256 USA0.5010.03401.20 
  Hua, Eugene f2303 CAN0.5010.09403.60 
  Zhang, Yuanchen f2305 CAN1.0010.594023.60 

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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