Individual Calculations October 2015
 Derakhshani, Borna  Total change: 52.80  Rating chartPersonal card
 22nd Abu Dhabi Int. Chess Festival Masters Tournament 2015 Abu Dhabi UAE 2015-08-23
 2228 2016 3.50 9 1.32 40 52.80 
  Nezad, Husein Aziz m2404 QAT0.001-0.0940-3.60 
  Mohammed, Zozek Salah Mohammed f2225 IRQ1.0010.774030.80 
  Bulmaga, Irina mwg2393 ROU0.001-0.0940-3.60 
  Kryvoruchko, Vita wg2210 UKR0.001-0.2540-10.00 
  Mokal, Amruta Sunil 2123 IND0.001-0.3540-14.00 
  Laabi Chian, Majid 2087 IRI1.0010.604024.00 
  Khalafova, Narmin wm2203 AZE0.5010.24409.60 
  Ayyad, Husain f2162 BRN0.5010.20408.00 
  Saleh, Nabil f2249 UAE0.5010.294011.60 

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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