Individual Calculations October 2023
 Zapata, Alonso  Total change: -7.80  Rating chartPersonal card
 Fall 2023 ALTO - Championship Charlotte, NC USA 2023-09-02
RcRownchangeKK*chgGame
 2046 2318 4.00 6 -0.78 10 -7.80 
  Weaver Iv, Roy H, Iv 1918  * USA1.0010.08100.80 
  Copeland, Samuel S 2132 USA0.501-0.2410-2.40 
  Solon, Nathan f2306 USA0.001-0.5210-5.20 
  Harris, Neal Douglas 2001 USA1.0010.13101.30 
  Bryant, Todd Charles 2106 USA0.501-0.2710-2.70 
  McCartney, Patrick 1815 USA1.0010.04100.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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