Individual Calculations September 2009
 Ibrahim, Ismail  Total change: 7.80  Rating chartPersonal card
 Abu Dhabi Open 2009 Abu Dhabi UAE 2009-04-02
RcRownchangeKK*chgGame
 2146 2127 4.00 6 1.13 15 16.95 
  Zayed, Ali Al-Hamed 1855 UAE1.0010.17152.55 
  Raetsky, Alexander g2431 RUS0.001-0.1415-2.10 
  Ali, Abdelkhaleq 2130 UAE1.0010.50157.50 
  Al-Sharif, Hani M 2109 SYR1.0010.47157.05 
  Dargan, Baul A G 2206 ENG1.0010.61159.15 
  Haridas, K c2142 IND0.001-0.4815-7.20 

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)
 
 UAE President Cup 2009 Ajman UAE 2009-06-23
RcRownchangeKK*chgGame
 2055 2127 6.00 9 0.73 15 10.95 
  Mohamed, Issa 1837 UAE0.501-0.3415-5.10 
  Al-Zarouni, Kholoud Essa wf1847 UAE1.0010.16152.40 
  Jumma, Al Mouhairi 1925 UAE1.0010.24153.60 
  Faisal, Abdulla 2177 UAE0.5010.07151.05 
  Saeed, Ishaq f2188 UAE0.001-0.4215-6.30 
  Abdulmajeed, Mohamad f2257 UAE1.0010.681510.20 
  Khalifa, Khamis 2003 UAE1.0010.33154.95 
  Hassan, Abdulla m2322 UAE0.001-0.2515-3.75 
  Khouri Ahmed, Abbas f1939 UAE1.0010.26153.90 

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)
 
 18th OPEN INTERN. TOURN. OF KAVALA '09 - GROUP A Kavala GRE 2009-08-01
RcRownchangeKK*chgGame
 2138 2147 3.50 9 -1.34 15 -20.10 
  Arun Prasad, S g2547  * IND0.5010.42156.30 
  Nevednichy, Vladislav g2547  * ROU0.001-0.0815-1.20 
  Al-Marzouqi, Abdulla M 1981 UAE0.001-0.7215-10.80 
  Grapsa, Georgia 2083 GRE1.0010.41156.15 
  Manelidou, Maria 2008 GRE0.001-0.6915-10.35 
  Jumma, Al Mmouhairi 1925 UAE1.0010.22153.30 
  Michelakos, Panagiotis 2008 GRE0.501-0.1915-2.85 
  Kouvatsos, Filippos 2093 GRE0.001-0.5815-8.70 
  Papargyriou, Anastasios 2049 GRE0.501-0.1315-1.95 
 * 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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