Individual Calculations June 2023
 Sears, Randall N  Total change: 0.00  Rating chartPersonal card
 3rd annual Niagara Falls Open - U2000 Niagara Falls, NY USA 2023-05-05
RcRownchangeRpKK*chgGame
 1650 0 0.50 3 0.00 1377   0.00 
  Supsup, Ferdinand 1600 CAN0.0010.00 0.00 
  Amarante, Mike 1576 USA0.5010.00 0.00 
  Demetruk, David E 1774 USA0.0010.00 0.00 

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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