Individual Calculations February 2023
 Shangin, Lev  Total change: 9.60  Rating chartPersonal card
 11th annual Boston Chess Congress - U2100 Section Boston MA USA 2023-01-06
RcRownchangeKK*chgGame
 1578 1476 1.00 1 0.64 40 25.60 
  Sperber, Ronald David 1578 USA1.0010.644025.60 

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)
 
 55th annual Liberty Bell Open - U2100 Philadelphia, PA USA 2023-01-13
RcRownchangeKK*chgGame
 1494 1476 1.50 4 -0.40 40 -16.00 
  Johnson, Jeffery W 1504 USA0.5010.04401.60 
  Goodrich, Elliott 1529 USA0.5010.07402.80 
  Saxena, Vihaan 1372 USA0.501-0.1440-5.60 
  Gartenlaub, Corin 1570 USA0.001-0.3740-14.80 

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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