Individual Calculations November 2009
 Wettasinha, Vasanta  Total change: -13.65  Rating chartPersonal card
 2nd MORA Kings International Rating Chess Tournament Colombo SRI 2009-07-27
RcRownchangeKK*chgGame
 2131 1857 0.00 1 -0.17 15 -2.55 
  Kalugampitiya, R S 2131 SRI0.001-0.1715-2.55 

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
 1943 1857 2.50 8 -0.74 15 -11.10 
  Kostenko, Petr g2257  * KAZ0.001-0.0815-1.20 
  Weerawardane, R 2147 SRI0.001-0.1615-2.40 
  Fonseka, C K D 1981 SRI0.001-0.3315-4.95 
  Selvaratnam, Navodya 1690 SRI1.0010.28154.20 
  Hapuarachchi, H L M 1998 SRI0.001-0.3115-4.65 
  Kushagra, Sharma 1691 IND1.0010.28154.20 
  Jayawardena, M 1955 SRI0.001-0.3715-5.55 
  Egodage, Keshan 1821 SRI0.501-0.0515-0.75 
 * 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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