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Individual Calculations April 2009 |
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| Ghahri, Amin Total change: -5.50 | |   |
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| Tehran First Leage Chess Championship- Season 1 | Tehean | IRI | 2008-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1777 | 0.50 | 3 | -0.21 | 25 | -5.25 | |
|  Ebrahimzadeh, M.t. | | | 2010 | IRI | 0.00 | 1 | -0.21 | 25 | -5.25 | |  Faramarzi, Vahid | | | 1963 | IRI | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Ahmadi, Hejaz | | | 1978 | IRI | 0.50 | 1 | 0.26 | 25 | 6.50 | |
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) | | | | 17th International Fajr Chess Open Tournament | Kish Island | IRI | 2009-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 1777 | 1.00 | 5 | -0.01 | 25 | -0.25 | |
| | Rostamzadeh, Reza | | | 1738 | IRI | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Darini, Pouria | | | 2127 | IRI | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Mahmoody, M. Sadegh | | | 2127 | IRI | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Aliev, Kerim | m | | 2127 | TKM | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Hosseinipour, Mehdi | | | 2103 | IRI | 0.00 | 1 | -0.13 | 25 | -3.25 | |
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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