Individual Calculations April 2008
 Kuruppu, Danuke  Total change: -25.20  Rating chartPersonal card
 Sri Lanka National B Chess Championships 2007 Colombo SRI 2007-07-21
RcRownchangeKK*chgGame
 1948 2094 4.00 7 -0.83 15 -12.45 
  De, Silva Osheen 1936 SRI0.501-0.2115-3.15 
  Herat, Nishendra 1980 SRI0.501-0.1615-2.40 
  Liyanage, N.p 1966 SRI1.0010.33154.95 
  Kottahachchy, K.o.v 1801 SRI0.501-0.3515-5.25 
  Athavan, R.k 1934 SRI0.501-0.2115-3.15 
  De, Silva N.rashin 2018 SRI0.501-0.1015-1.50 
  Telge, Peiris Gayan 1999 SRI0.501-0.1315-1.95 

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)
 
 Sri Lanka National A Chess Championships 2007 Colombo SRI 2007-10-14
RcRownchangeKK*chgGame
 2007 2094 6.50 13 -1.32 15 -19.80 
  Wijesurija, G Laxman 2105 SRI0.5010.02150.30 
  Annurudha, G C 2167 SRI1.0010.60159.00 
  Dissanayake, Rs 2038 SRI0.501-0.0815-1.20 
  Kurukulasuriya, Prasanna 2052 SRI0.001-0.5615-8.40 
  Nishendra, Herath 1980 SRI0.501-0.1615-2.40 
  De, Silwa N Rashin 1969 SRI1.0010.33154.95 
  Amarakoon, Naditha Thilanga 1744 SRI0.501-0.3915-5.85 
  Telge, Peiris Gayan Madushanka 1999 SRI0.001-0.6315-9.45 
  Russell, M K A 2187 SRI0.001-0.3715-5.55 
  Ketalawala, J.k.c. 1744 SRI1.0010.11151.65 
  Kottahachchy, K O V 1799 SRI0.501-0.3515-5.25 
  Edirisinghe, Dulan 2197 SRI0.5010.14152.10 
  Rajapaksha, Rmcm 2108 SRI0.5010.02150.30 

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)
 
 Colombo International Chess Festival Colombo SRI 2008-02-20
RcRownchangeKK*chgGame
 1961 2094 2.50 3 0.47 15 7.05 
  Hettiarachchi, A.u. 2030 SRI1.0010.41156.15 
  Hapuarachchi, H L M 1886 SRI0.501-0.2715-4.05 
  Reddy, S. Tejaswini 1967 IND1.0010.33154.95 

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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