Individual Calculations March 2019
 Back, Jeff  Total change: -23.20  Rating chartPersonal card
 2019 Hart House Reading Week Open U2200 Toronto CAN 2019-02-16
RcRownchangeKK*chgGame
 1765 1836 3.00 6 -0.58 40 -23.20 
  Malmsten, Erik 1766 CAN0.501-0.1040-4.00 
  Noorali, Aahil c1737 CAN0.001-0.6440-25.60 
  Huang, Youhe 1730 CAN0.001-0.6440-25.60 
  Van Rooy, Jake 1858 CAN1.0010.534021.20 
  He, Emma wf1667 CAN1.0010.284011.20 
  Zhao, Jeffrey Renfei 1830 CAN0.501-0.0140-0.40 

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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