Individual Calculations February 2023
 Erard, Eric Christian  Total change: 8.00  Rating chartPersonal card
 2023 Seattle New Years Open -- Open Section Seattle, WA USA 2023-01-06
RcRownchangeKK*chgGame
 1576 1729 3.00 4 0.20 40 8.00 
  Wang, Rachel Zihan 1592 CAN1.0010.324012.80 
  Eksarevskiy, Albert Alex 1544 USA0.001-0.7440-29.60 
  Edwards, Gary Blaine 1659 USA1.0010.404016.00 
  Kaelin, Alex 1509 USA1.0010.22408.80 

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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