Individual Calculations September 2009
 Chan, Peng-Khoon Gerald  Total change: 12.60  Rating chartPersonal card
 National Inter Club Team Championships 2009 - National Division Singapore SIN 2009-08-07
 1916 1973 2.00 2 0.84 15 12.60 
  Tay, Kiat Boon 1976 SIN1.0010.50157.50 
  Yap, Yong-Li Jordan c1856 SIN1.0010.34155.10 

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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