Individual Calculations August 2022
 Polyakin, Vladimer  Total change: -41.60  Rating chartPersonal card
 50th Annual World Open - Under 2200 Philadelphia, Pennsylvania USA 2022-06-30
RcRownchangeKK*chgGame
 1692 1807 0.50 4 -2.08 20 -41.60 
  Wu, Nathan Ping-Ying 1839 CAN0.5010.04200.80 
  Bhatta, Rohit 1757 USA0.001-0.5720-11.40 
  Li, Justin Y 1643 USA0.001-0.7220-14.40 
  Ammasani, Smayan 1530 USA0.001-0.8320-16.60 

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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