Individual Calculations July 2022
 Martin, Drew  Total change: 7.60  Rating chartPersonal card
 2022 National Open - Under 2100 Las Vegas, Nevada USA 2022-06-09
RcRownchangeKK*chgGame
 1706 1659 2.00 4 0.19 40 7.60 
  Walsh, Peter 1959 USA0.001-0.1540-6.00 
  Gong, Andrew 1367 USA1.0010.15406.00 
  Coulter, Jarod 1964 USA0.001-0.1440-5.60 
  Wang, Felicity 1534 USA1.0010.334013.20 

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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