Individual Calculations February 2020
 Arias, Mario Alexis  Total change: -51.40  Rating chartPersonal card
 29th Annual North American Open Las Vegas, Nevada USA 2019-12-26
RcRownchangeKK*chgGame
 2085 2232 3.50 9 -2.57 20 -51.40 
  Santanna, Paulo 1914 USA1.0010.13202.60 
  Izoria, Zviad g2599 USA0.001-0.1020-2.00 
  Wongso, Steve 1933 USA1.0010.15203.00 
  Niemann, Hans m2471 USA0.001-0.2020-4.00 
  Osaka, Takuma c1981 JPN0.001-0.8120-16.20 
  Shawkat, Saif 1954 USA1.0010.17203.40 
  Sun, Rick 2041 USA0.001-0.7520-15.00 
  Wang, Henry H 2044 USA0.501-0.2420-4.80 
  Velazquez, Kevin 1832  * USA0.001-0.9220-18.40 
 * 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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