Individual Calculations September 2022
 Mariam, Essa  Total change: 29.20  Rating chartPersonal card
 Summer Classic Chess Tournament 2022 Dubai UAE 2022-07-18
RcRownchangeKK*chgGame
 1404 1573 3.50 6 -0.88 20 -17.60 
  Yasaswi, Krishna Bommi 1223 IND0.501-0.3920-7.80 
  Sithaardan, Manohoran 1167 IND1.0010.08201.60 
  Vaibhav, Krishnan K P 1220 IND1.0010.11202.20 
  Tolentino, Rustum f2266 PHI0.001-0.0120-0.20 
  Alhammadi, Khalifa Mohamed 1173  * UAE1.0010.08201.60 
  Mohammad Abdulrahman, Alawadhi 1377 UAE0.001-0.7520-15.00 
 * 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)
 
 44th FIDE Chess Olympiad Chennai 2022 Women Chennai IND 2022-07-29
RcRownchangeKK*chgGame
 1679 1573 5.50 8 2.34 20 46.80 
  Sokolova, Victoria 1193 CYP1.0010.09201.80 
  Elansary, Eman wm1937 EGY1.0010.902018.00 
  Rakotoniaina, Tiana Johanna 1529 MAD1.0010.44208.80 
  Hapala, Elisabeth wf2113 AUT0.001-0.0320-0.60 
  Mihailova, Alina 1926 MDA0.001-0.1120-2.20 
  Mefteh, Meyssem 1245 TUN1.0010.13202.60 
  Coro, Soledad wc1622 BOL0.5010.07201.40 
  Onoja, Iyefu Joy 1869 NGR1.0010.852017.00 

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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