Individual Calculations February 2023
 Shapiro-Erciyas, Ahmet  Total change: 3.80  Rating chartPersonal card
 32nd annual North American Open - U2300 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1911 1886 2.50 5 0.19 20 3.80 
  Formanek, Edward William m1994 USA1.0010.652013.00 
  Krishnan, Saatvik 1630 USA1.0010.19203.80 
  Macaspac, Arthur 1975 USA0.001-0.3820-7.60 
  Yakubov, Mardon 2090 UZB0.001-0.2420-4.80 
  Hong, Pearson 1866 USA0.501-0.0320-0.60 

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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