Individual Calculations October 2022
 Zhang, Roger  Total change: -17.60  Rating chartPersonal card
 144th Annual New York State Championship Albany, NY USA 2022-09-02
RcRownchangeKK*chgGame
 1980 2007 2.50 5 -0.38 40 -15.20 
  Vaidyanathan, Kannan 1696 USA1.0010.14405.60 
  Zhou, Jianchao g2585 CHN0.001-0.0240-0.80 
  Samant, Neil 1798 USA0.501-0.2740-10.80 
  Fishbein, Mitch 2066 USA0.5010.08403.20 
  Luger, Sam 1753 USA0.501-0.3140-12.40 

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)
 
 Marshall Premier September 2022 New York, NY USA 2022-09-09
RcRownchangeKK*chgGame
 1897 2007 2.50 4 -0.06 40 -2.40 
  Dong, Kyle Qiyu 1780 USA1.0010.21408.40 
  Hardaway, Brewington c2172 USA0.001-0.2840-11.20 
  Berg, George P 1789 USA0.501-0.2840-11.20 
  Paragua, Megan Althea 1848 USA1.0010.294011.60 

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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