Individual Calculations February 2023
 Preotu, Razvan  Total change: 15.90  Rating chartPersonal card
 2023 Pan-American Intercollegiate Team Championship Seattle, WA USA 2023-01-05
RcRownchangeKK*chgGame
 2341 2478 4.50 6 0.54 10 5.40 
  Malicka, Maria fwc2296 POL1.0010.26102.60 
  Cervantes, Thalia fwg2263 USA0.501-0.2710-2.70 
  Abhilash Reddy Mallu, Lalith 2192 IND1.0010.16101.60 
  Bok, Benjamin g2618 NED0.5010.19101.90 
  Yi, Richard 2138 USA1.0010.12101.20 
  Sorokin, Aleksei f2537 RUS0.5010.08100.80 

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)
 
 2023 Charlotte Open Charlotte, North Carolina USA 2023-01-14
RcRownchangeKK*chgGame
 2329 2478 5.00 6 1.05 10 10.50 
  Catherina, Michelle wm2148 IND0.501-0.3810-3.80 
  Karthik, Advaith 2078  * USA1.0010.08100.80 
  Feng, Maggie fwm2138 USA1.0010.12101.20 
  Bruzon Batista, Lazaro g2613 USA1.0010.68106.80 
  Kavutskiy, Kostya m2393 USA1.0010.38103.80 
  Bortnyk, Olexandr g2604 UKR0.5010.17101.70 
 * 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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