Individual Calculations March 2024
 Nasibi Nia, Vahid  Total change: -2.00  Rating chartPersonal card
 2nd Taq-e Bostan Cup International Chess Festival _ B Category (U1900) Kermanshah IRI 2024-01-25
RcRownchangeKK*chgGame
 1490 1420 3.00 7 -0.05 40 -2.00 
  Parvin, Zahra 1849 IRI0.001-0.0740-2.80 
  Riazi, Mohammad Taha 1164 IRI1.0010.19407.60 
  Ahmadi Tari, Mostafa 1800 IRI0.001-0.0940-3.60 
  Abdollahi, Tanaz 1287 IRI1.0010.324012.80 
  Felix, Winnie 1555 PHI0.5010.18407.20 
  Hajjarzadeh, Mohammad Reza 1490 IRI0.001-0.4040-16.00 
  Teimori, Ali 1284 IRI0.501-0.1840-7.20 

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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