Individual Calculations November 2009
 Vithanage, Tharindu  Total change: 12.50  Rating chartPersonal card
 2nd MORA Kings International Rating Chess Tournament Colombo SRI 2009-07-27
RcRownchangeKK*chgGame
 1963 1706 2.00 4 1.22 25 30.50 
  Egodage, Keshan 1821 SRI1.0010.662516.50 
  Dehigama, D R N K B 2050 SRI1.0010.882522.00 
  Fonseka, C K D 1981 SRI0.001-0.1725-4.25 
  De Silva, Osheen 2000 SRI0.001-0.1525-3.75 

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)
 
 The Ravana Challenge International Chess Tournament 2009 Colombo SRI 2009-09-12
RcRownchangeKK*chgGame
 1961 1749 0.50 5 -0.72 25 -18.00 
  Weeramantry, Sunil f2149  * SRI0.5010.422510.50 
  Hapuarachchi, H L M 1998 SRI0.001-0.1925-4.75 
  Amarasinghe, A A C B 1925 SRI0.001-0.2725-6.75 
  Munasinghe, Lahiru 1912 SRI0.001-0.2825-7.00 
  Egodage, Keshan 1821 SRI0.001-0.4025-10.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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