Individual Calculations May 2015
 Purewal, Sardul  Total change: -26.20  Rating chartPersonal card
 2015 Edmonton Closed Championship Edmonton CAN 2015-01-08
RcRownchangeKK*chgGame
 1977 2001 0.00 2 -1.06 20 -21.20 
  Cheng, Louis 1977 CAN0.001-0.5320-10.60 
  Cheng, Louis 1977 CAN0.001-0.5320-10.60 

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)
 
 2015 AB Seniors Championship Edmonton CAN 2015-04-25
RcRownchangeKK*chgGame
 1913 2005 1.00 2 -0.25 20 -5.00 
  Willis, Bradley J. 1978 CAN0.501-0.0420-0.80 
  McKay, Arnold 1848 CAN0.501-0.2120-4.20 

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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