Individual Calculations September 2023
 Wahl, Jackson  Total change: 4.40  Rating chartPersonal card
 2023 Lake Superior Open Superior, WI USA 2023-06-24
RcRownchangeKK*chgGame
 1920 2001 2.00 3 0.22 20 4.40 
  Hoffman, Guy G 1717 USA0.501-0.3420-6.80 
  Radermacher, Tim 1963 USA0.501-0.0520-1.00 
  Wolchock, Theo 2080 CAN1.0010.612012.20 

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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