Individual Calculations December 2016
 Willathgamuwa, Kevin  Total change: -16.80  Rating chartPersonal card
 2016 Norths John Purdy Memorial Open Sydney AUS 2016-09-06
 1769 1983 5.50 8 -0.42 40 -16.80 
  Marcuson, Danny 1624 AUS1.0010.10404.00 
  Zekic, Mirsad 1668 AUS1.0010.14405.60 
  Tulevski, Vasil G 1837 AUS1.0010.304012.00 
  Mallari, Donato 2054 AUS0.001-0.4040-16.00 
  Richards, Allan 1710 AUS0.001-0.8340-33.20 
  Pepping, John M 1615 AUS1.0010.10404.00 
  Gong, Michael (qiming) 1609 CHN1.0010.10404.00 
  Murray, Bruce D c2032 AUS0.5010.07402.80 

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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