Individual Calculations July 2023
 Lyu, Ethan Toby  Total change: 11.20  Rating chartPersonal card
 16th annual Continental Chess Cleveland Open - Major Middleburg Heights, OH USA 2023-06-09
RcRownchangeKK*chgGame
 1907 1797 2.00 4 0.28 40 11.20 
  Broihier, Ian 1665 USA0.501-0.1840-7.20 
  Stark, Gregg 1857 USA1.0010.584023.20 
  Smith, Bryan G g2379 USA0.001-0.0240-0.80 
  Vuillemot, John 1725 USA0.501-0.1040-4.00 

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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