Individual Calculations July 2009
 Alahakoon, A.m.c.b  Total change: 15.00  Rating chartPersonal card
 Kurunegala Major Chess Championship Kurunegala SRI 2009-04-25
RcRownchangeKK*chgGame
 1933 1911 0.00 1 -0.47 25 -11.75 
  Chandrarathne, W.s.n 1933 SRI0.001-0.4725-11.75 

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)
 
 Sri Lanka B Chess Championship 2009 Colombo SRI 2009-05-09
RcRownchangeKK*chgGame
 1973 1911 4.00 7 1.07 25 26.75 
  Kottahachchy, K.o.v 2050 SRI0.5010.19254.75 
  Wijekoon, Chandana 1965 SRI0.001-0.4225-10.50 
  Jayarathne, M.n.g. 1756 SRI1.0010.29257.25 
  Weerawardena, R. 2180 SRI1.0010.832520.75 
  Peiris, T.s.s. 1938 SRI0.5010.04251.00 
  Hapuarachchi, H.l.m. 1963 SRI0.001-0.4325-10.75 
  Kuruwitage, Yasas Kalana 1961 SRI1.0010.572514.25 

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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