Individual Calculations October 2012
 Willis, Bradley J  Total change: 6.15  Rating chartPersonal card
 2012 Alberta Over 1800 Edmonton, Alberta CAN 2012-09-01
RcRownchangeKK*chgGame
 2218 2023 1.50 4 0.41 15 6.15 
  Haynes, Nicolas 2181 CAN1.0010.711510.65 
  Pechenkin, Vladimir f2333 CAN0.5010.36155.40 
  Wang, Richard f2361 CAN0.001-0.1215-1.80 
  Miller, David 1995 CAN0.001-0.5415-8.10 

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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