Individual Calculations May 2023
 Yu, Zachary  Total change: 104.40  Rating chartPersonal card
 2023 Wellington Open Wellington NZL 2023-04-07
RcRownchangeKK*chgGame
 1714 1800 4.50 6 0.96 40 38.40 
  Sun, Taoran Ethan 1400  * NZL1.0010.08403.20 
  Sole, Michael D 1899 NZL0.001-0.3640-14.40 
  Ashe, Michael 1515 NZL1.0010.16406.40 
  Huang, Alex c2009 NZL0.5010.274010.80 
  Chen, Wei Kai 1671 NZL1.0010.334013.20 
  Van Der Hoorn, Thomas 1787 NZL1.0010.484019.20 
 * 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)
 
 George Trundle Masters 2023 Auckland NZL 2023-04-12
RcRownchangeKK*chgGame
 1743 1800 6.50 9 1.16 40 46.40 
  Chang, Yolanda 1590 NZL0.501-0.2740-10.80 
  Mistry, Prashant 1799 NZL0.5010.00400.00 
  Wells, Clinton A. 1672 NZL1.0010.334013.20 
  Ang, Alphaeus Wei Ern f2288 NZL1.0010.964038.40 
  Young, Cohen 1793 NZL1.0010.494019.60 
  Zhu, David Junyang 1639 NZL0.501-0.2140-8.40 
  McDonald, Duncan 1588 NZL0.501-0.2740-10.80 
  Thurner, Anya 1732 NZL0.501-0.0940-3.60 
  Yu, Weiyang 1582 NZL1.0010.22408.80 

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)
 
 2023 North Shore Autumn A-Grade 1 Auckland NZL 2023-04-19
RcRownchangeKK*chgGame
 1794 1800 1.00 1 0.49 40 19.60 
  Gunn, Neil J 1794 NZL1.0010.494019.60 

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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