Individual Calculations November 2018
 Chen, Helen  Total change: -44.00  Rating chartPersonal card
 2018 Alberta Open Calgary CAN 2018-10-06
RcRownchangeKK*chgGame
 1620 1517 0.00 3 -1.10 40 -44.00 
  Dave, Bhavik 1720 IND0.001-0.2440-9.60 
  McGinnis, Paul T. 1646 CAN0.001-0.3340-13.20 
  Viminitz, Paul 1493 CAN0.001-0.5340-21.20 

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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