Individual Calculations September 2010
 Hosseinzadeh, Nima  Total change: -44.85  Rating chartPersonal card
 Iran's Boys Student Qualifiation Tournament Tehran IRI 2010-05-04
RcRownchangeKK*chgGame
 2126 2288 4.50 8 -1.17 15 -17.55 
  Naderi, M.j 2094 IRI0.501-0.2515-3.75 
  Momeni, Ebrahim 2253 IRI0.501-0.0515-0.75 
  Abtahi, Babak 2111 IRI1.0010.27154.05 
  Lamei, Hossein 2152 IRI0.501-0.1815-2.70 
  Torkamannejad, Javad 2132 IRI0.001-0.7115-10.65 
  Barzigar, Behrang 2127 IRI0.001-0.7115-10.65 
  Abed, Meisam 2022 IRI1.0010.18152.70 
  Arabi, Saeed 2118 IRI1.0010.28154.20 

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)
 
 9th Ebne Sina Open Chess Tournament Hamedan IRI 2010-07-17
RcRownchangeKK*chgGame
 2009 2246 6.00 9 -1.00 15 -15.00 
  Karami, Mohammad 1852 IRI1.0010.08151.20 
  Roohparvar, A Reza 2015 IRI0.001-0.7915-11.85 
  Maleki, Mir Mahdi 1846  * IRI1.0010.08151.20 
  Najafiyan Pour, Mahyar 2002 IRI1.0010.20153.00 
  Javidfar, Amirsalar 2042 IRI0.501-0.2615-3.90 
  Moradi, Amirmasoud 1940 IRI0.001-0.8615-12.90 
  Najafibasir, Masoud 2050 IRI1.0010.25153.75 
  Aghaei, Alireza 2065 IRI1.0010.26153.90 
  Behmardi, K Rustam 2272 IRI0.5010.04150.60 
 * 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)
 
 9th Iranian Chess Festival [Men] 1389 Mashhad IRI 2010-08-02
RcRownchangeKK*chgGame
 2052 2246 6.50 10 -0.82 15 -12.30 
  Ahmadi, Amirhossein 1884 IRI1.0010.10151.50 
  Galehdari, Bardia 2033 IRI0.001-0.7715-11.55 
  Aynechian, Alireza 1864 IRI1.0010.09151.35 
  Zanganeh, Babak 2006 IRI1.0010.20153.00 
  Bolourchifard, Farzad 2087 IRI0.001-0.7115-10.65 
  Nassaj, Amirmorteza 1948 IRI1.0010.15152.25 
  Hooshdarmahjoob, N 2052 IRI1.0010.25153.75 
  Pouladiband, Pouya 2100 IRI1.0010.30154.50 
  Hosseinipour, Mehdi 2270 IRI0.5010.03150.45 
  Ryahi, Naser 2278 IRI0.001-0.4615-6.90 

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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