Individual Calculations November 2009
 Perera, W C C  Total change: 1.50  Rating chartPersonal card
 2nd MORA Kings International Rating Chess Tournament Colombo SRI 2009-07-27
RcRownchangeKK*chgGame
 1897 1935 2.50 5 -0.18 15 -2.70 
  Kalugampitiya, R S 2131 SRI0.001-0.2515-3.75 
  Kodithuwakku, Gihan 1569 SRI1.0010.10151.50 
  Peiris, T S S 1995 SRI0.5010.08151.20 
  Hapuarachchi, H L M 2001 SRI0.001-0.4115-6.15 
  Liyanapathirana, Pasan Vindula 1788 SRI1.0010.30154.50 

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
 1968 1935 5.00 10 0.28 15 4.20 
  Gagunashvili, Merab g2335  * GEO0.001-0.0815-1.20 
  Selvaratnam, Navodya 1690 SRI1.0010.20153.00 
  Das, Sayantan f2235 IND0.001-0.1515-2.25 
  Liyanapathirana, P. V. 1788 SRI1.0010.30154.50 
  Hapuarachchi, H L M 1998 SRI0.5010.09151.35 
  Anuruddha, G C 2185 SRI0.001-0.1915-2.85 
  Ranasinghe, S D 1840 SRI1.0010.37155.55 
  Munasinghe, Lahiru 1912 SRI0.501-0.0315-0.45 
  Pinto, Semuthu 1832 SRI0.501-0.1415-2.10 
  Kulasekara, K D M T 1867 SRI0.501-0.0915-1.35 
 * 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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