Individual Calculations February 2018
 Zhao, Jeffrey Renfei  Total change: 31.20  Rating chartPersonal card
 2018 Guelph Winter Pro-Am Pro Guelph CAN 2018-01-06
RcRownchangeKK*chgGame
 2044 1764 1.50 4 0.78 40 31.20 
  Song, Guannan Terry f2161 CAN0.5010.424016.80 
  Li, Eric M 2021 CAN1.0010.824032.80 
  Petersen, Caleb 1865 CAN0.001-0.3640-14.40 
  Rek, Viatcheslav (slava) 2128 CAN0.001-0.1040-4.00 

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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