Individual Calculations April 2023
 Ruiz Castillo, Joshua D  Total change: -2.90  Rating chartPersonal card
 2023 Lone Star Open - Open Section Houston, TX USA 2023-03-17
RcRownchangeKK*chgGame
 2069 2459 4.00 5 -0.29 10 -2.90 
  Welsh, Vinh 2059  * USA1.0010.08100.80 
  Wang, Yanke 1819 USA1.0010.01100.10 
  Hiwale, Ronak 1986 USA1.0010.05100.50 
  Srivatshav P, Rahul g2469 IND0.001-0.4910-4.90 
  Nandhakumar, Vaseegaran 2010 USA1.0010.06100.60 
 * 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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