Individual Calculations March 2010
 Liu, Yong Kang Samuel  Total change: -16.50  Rating chartPersonal card
 28th National Age Group Championships 2010 - Open Under 14 Singapore SIN 2009-12-29
RcRownchangeKK*chgGame
 1673 1741 0.50 2 -0.66 25 -16.50 
  Iskandar, Bin Abdullah 1839 SIN0.001-0.3725-9.25 
  Tan, Kwang Shing Bryan 1507 SIN0.501-0.2925-7.25 

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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