Individual Calculations July 2011
 Jayarathne, G A T G  Total change: -1.50  Rating chartPersonal card
 Dhamso International Chess Festival Ambalangoda SRI 2011-04-22
RcRownchangeKK*chgGame
 1881 1670 1.00 4 -0.06 25 -1.50 
  Kahanda, I D S 1600 SRI1.0010.402510.00 
  De Silva, Gihan 2004 SRI0.001-0.1225-3.00 
  Aman, Chahal 1867 IND0.001-0.2525-6.25 
  Koggala, W S V K 2053 SRI0.001-0.0925-2.25 

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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