Individual Calculations July 2012
 McDonald, Ian  Total change: 35.70  Rating chartPersonal card
 e2e4 London Diamond Jubilee Congress Premier London ENG 2012-06-02
RcRownchangeKK*chgGame
 2089 1840 4.00 8 2.38 15 35.70 
  Orishko, Yaroslav 2080 UKR0.001-0.2015-3.00 
  Rizvi, Nasir 2074 WLS0.5010.29154.35 
  Grattage, Matthew 2002 ENG0.001-0.2915-4.35 
  Waterfield, John W 2009 ENG1.0010.721510.80 
  Taylor, Dale C 1990 ENG1.0010.701510.50 
  McMahon, Daire f2229 IRL1.0010.911513.65 
  Tozer, Philip A A 2199 ENG0.5010.40156.00 
  Josse, Mark 2131 ENG0.001-0.1515-2.25 

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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