Individual Calculations January 2020
 McDonald, Mike  Total change: -17.80  Rating chartPersonal card
 2019 Southern Alberta Open Calgary CAN 2019-11-23
RcRownchangeKK*chgGame
 1714 1786 1.50 4 -0.89 20 -17.80 
  Madriaga, Teody 1628 CAN1.0010.29205.80 
  Srinivasan, Hemant 1803 CAN0.001-0.4820-9.60 
  Wang, Paul 1734 CAN0.001-0.5720-11.40 
  Qin, Kevin 1690 CAN0.501-0.1320-2.60 

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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