Individual Calculations April 2015
 Peiris, T G M  Total change: 5.20  Rating chartPersonal card
 Hampstead Under 2200 Congress Mar 15 London ENG 2015-03-21
RcRownchangeKK*chgGame
 1875 2086 4.00 5 0.26 20 5.20 
  Torrance, John 1709 SCO1.0010.09201.80 
  Slade, Theodore 1927 ENG0.001-0.7120-14.20 
  Hewitt, Robert 1767 ENG1.0010.13202.60 
  Matei, Ciprian 1871 ROU1.0010.23204.60 
  Aravind, Subramanian N. 2103 IND1.0010.522010.40 

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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