Individual Calculations August 2015
 Ahmed, Qutayba Yunis  Total change: 58.00  Rating chartPersonal card
 Khanzad Chess Tournament 2015 Erbil IRQ 2015-06-26
RcRownchangeKK*chgGame
 1934 1728 3.50 7 1.65 40 66.00 
  Baktiar, Hamd Mohammed 1852 IRQ1.0010.674026.80 
  Nabeel, Aziz U 2055 IRQ1.0010.874034.80 
  Ahmed, Ali Layth Ahmed f2128  * IRQ0.001-0.0840-3.20 
  Kardo Ako, Mohammad 1985 IRQ0.001-0.1840-7.20 
  Bootan, Sherzad Qader 1832 IRQ0.5010.14405.60 
  Bahzad, Zeenaldeen Mawlud 2076 IRQ0.001-0.1140-4.40 
  Mohammed Khaleel, Majeed 1611 IRQ1.0010.344013.60 
 * 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)
 
 IRAQI Youth U20 Championships 2015 Baghdad IRQ 2015-07-24
RcRownchangeKK*chgGame
 1664 1728 4.50 8 -0.20 40 -8.00 
  Sajad, Alla Abass 1472 IRQ1.0010.19407.60 
  Ali Ahmed, Attiyah 1369 IRQ1.0010.10404.00 
  Moazaz, Dhahir Habeeb c2049 IRQ0.001-0.1340-5.20 
  Taha Ali, San 1601 IRQ1.0010.334013.20 
  Ahmed, Haider Sadiq 1662 IRQ0.501-0.0940-3.60 
  Al-Khalidi, Aisha Ali Ahmed wc1616 IRQ0.501-0.1540-6.00 
  Abbas, Hussein Kzar c2128  * IRQ0.001-0.0840-3.20 
  Mahmood, Hussein Ali 1412 IRQ0.501-0.3740-14.80 
 * 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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