Individual Calculations January 2023
 Zhu, Alexander  Total change: -30.00  Rating chartPersonal card
 57th American Open - Under 2200 Orange, CA USA 2022-11-24
RcRownchangeKK*chgGame
 1641 1724 4.00 8 -0.75 40 -30.00 
  Fan, Shengjie 1413 USA1.0010.14405.60 
  Eswaran, Aksithi wc1837 USA0.5010.15406.00 
  Zeng, Elbert 1855 USA0.001-0.3240-12.80 
  Stevens, Adam Benjamin 1453 USA0.501-0.3340-13.20 
  Xiao, Marina 1426 USA1.0010.15406.00 
  Xu, Gordon Zhenyu 1695 USA1.0010.464018.40 
  Hao, Max 1710 USA0.001-0.5240-20.80 
  Maheshwari, Vedant 1740 USA0.001-0.4840-19.20 

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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