Individual Calculations July 2022
 Tam, Hoa Long  Total change: 25.20  Rating chartPersonal card
 Ray Conway Memorial Tuesday Night Marathon - U1800 Round 5-7 San Francisco, California USA 2022-05-31
RcRownchangeKK*chgGame
 1464 1145 1.00 2 0.63 40 25.20 
  Giusti, Ambrogino 1270 USA1.0010.674026.80 
  Barreyro, Romeo 1657 USA0.001-0.0440-1.60 

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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