Rapid: Individual Calculations January 2021
 Bawan, Mahmood Mohammed  Total change: 47.80  Rating chartPersonal card
 25th Khanzad Rapid Chess Championship -2020 Erbil IRQ 2020-12-12
RcRownchangeKK*chgGame
 1419 1276 5.50 9 2.39 20 47.80 
  Khalid, Shamoon Polis 1703 IRQ0.001-0.0720-1.40 
  Ayman, Emad Mustafa 1090 IRQ1.0010.26205.20 
  Omiad, Saber Abdullah 1626 IRQ0.001-0.1120-2.20 
  Lana, Hawar Khaleel 1117 IRQ1.0010.29205.80 
  Adnan, Qadir Hussein 1439 IRQ0.5010.22204.40 
  Mustafa, Kamal Jalaldeen Al-Barba 1578 IRQ1.0010.852017.00 
  Hadi, Ahmed Hadi 1617 IRQ0.001-0.1220-2.40 
  Salam, Naser Bejung 1329 IRQ1.0010.572011.40 
  Lania, Salah Abdullah 1276 IRQ1.0010.502010.00 

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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