Individual Calculations November 2009
 Liyanapathirana, Pasan Vindula  Total change: 46.75  Rating chartPersonal card
 2nd MORA Kings International Rating Chess Tournament Colombo SRI 2009-07-27
RcRownchangeKK*chgGame
 2000 1788 2.50 6 1.09 25 27.25 
  Hapuarachchi, H L M 2001 SRI1.0010.772519.25 
  Peiris, T S S 1995 SRI1.0010.772519.25 
  Kalugampitiya, R S 2131 SRI0.001-0.1225-3.00 
  Jayawardena, M 1955 SRI0.001-0.2825-7.00 
  Fonseka, C K D 1981 SRI0.5010.25256.25 
  Perera, W C C 1935 SRI0.001-0.3025-7.50 

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
 1953 1788 3.50 9 0.78 25 19.50 
  Srivachirawat, Kannapon 2188  * THA0.001-0.0825-2.00 
  Kuruwitage, Y K 1954 SRI0.001-0.2825-7.00 
  Perera, W C C 1935 SRI0.001-0.3025-7.50 
  Vivek, M 1661 IND1.0010.33258.25 
  Senanayake, P R wf1915 SRI1.0010.672516.75 
  Pieris, T D R 2098 SRI0.001-0.1425-3.50 
  Amarasinghe, A A C B 1925 SRI0.5010.18254.50 
  Munasinghe, Thisura 1829 SRI0.5010.06251.50 
  Mallawarachchi, T S 2072 SRI0.5010.34258.50 
 * 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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