Individual Calculations September 2011
 Mehrabi, Morteza  Total change: -12.00  Rating chartPersonal card
 Tehran Championship 2011 (open) Tehran IRI 2011-06-25
RcRownchangeKK*chgGame
 2029 1981 2.50 6 -0.10 15 -1.50 
  Derakhshani, Borna 1663 IRI1.0010.13151.95 
  Doostkam, P 2200 IRI0.5010.28154.20 
  Bolourchifard, Farzad 2235 IRI1.0010.811512.15 
  Vahidi, Mohammad f2183 IRI0.001-0.2415-3.60 
  Noroozi, Reza 2130 IRI0.001-0.3015-4.50 
  Fendereski, Nima 1764 IRI0.001-0.7815-11.70 

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)
 
 10 th Avicenna International open chess tournament Hamedan IRI 2011-07-24
RcRownchangeKK*chgGame
 1955 1981 3.50 8 -0.70 15 -10.50 
  Doostkam, P 2210 IRI0.5010.29154.35 
  Ryahi, Naser 2265 IRI0.001-0.1615-2.40 
  Mousavi, Sayed Milad 2115 IRI0.001-0.3215-4.80 
  Rostami Nejad, Sirous 1715 IRI0.501-0.3215-4.80 
  Ghaffariankhorram, Aida 1650 IRI1.0010.12151.80 
  Firouzi, Miad 1707 IRI1.0010.17152.55 
  Sedaghati, Mehrdad 2228 IRI0.001-0.1915-2.85 
  Tehran Doost, Farzad 1750 IRI0.501-0.2915-4.35 

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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