Individual Calculations March 2011
 Rosli, Ahmad Afiq Afyfy  Total change: -12.90  Rating chartPersonal card
 Singapore Open 2010 Singapore SIN 2010-12-26
RcRownchangeKK*chgGame
 1965 1914 0.50 3 -0.86 15 -12.90 
  Su, Yamin wf2223 CHN0.001-0.1415-2.10 
  Dwijayanti, Kadek Iin wc1881 INA0.001-0.5515-8.25 
  Lim, De Dao Linson 1790 SIN0.501-0.1715-2.55 

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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