Individual Calculations May 2019
 Ha, Huy Minh (timothy)  Total change: -8.00  Rating chartPersonal card
 North Island Championship 2019 Wellington NZL 2019-04-19
RcRownchangeKK*chgGame
 1800 1653 3.50 7 1.25 20 25.00 
  Nyberg, Michael 1907 NZL0.5010.31206.20 
  Tanoi, T Edward 1967 NZL1.0010.862017.20 
  Nagorski, Alex c1797 NZL0.001-0.3120-6.20 
  Chen, Wei Kai 1733 NZL0.5010.11202.20 
  Dive, Russell J m2053  * NZL0.001-0.0820-1.60 
  Ravi, Narasimhan Lakshmi 1298 NZL1.0010.11202.20 
  Benitez, Edgar 1844 NZL0.5010.25205.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 Auckland ANZAC Weekender 2019 Auckland NZL 2019-04-25
RcRownchangeKK*chgGame
 1497 1653 2.50 6 -1.65 20 -33.00 
  Chen, Penghao (jack) 1253  * NZL1.0010.08201.60 
  Ang, Alphaeus Wei Ern c2053  * NZL0.001-0.0820-1.60 
  Yu, Jeffrey 1431 NZL1.0010.22204.40 
  Zhang, Boyuan 1327 NZL0.001-0.8720-17.40 
  Chen, Matthew 1396 NZL0.501-0.3220-6.40 
  Qin, Oscar Shu Xuan 1523 NZL0.001-0.6820-13.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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