Individual Calculations January 2015
 Yip, Yong  Total change: -22.80  Rating chartPersonal card
 31st National Age Group Chess Championships 2014 - Open Under-12 Singapore SGP 2014-12-05
RcRownchangeKK*chgGame
 1562 1389 0.00 2 -0.57 40 -22.80 
  Yeo, Ruizhi Carwyn 1671 SIN0.001-0.1640-6.40 
  Shourya, Jain 1452 IND0.001-0.4140-16.40 

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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