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Individual Calculations October 2008 |
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| Sedaghati, Mehrdad Total change: -49.85 | |   |
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| Iranian Youth Boys Under 18 - 2008 | Tehran | IRI | 2008-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2100 | 1.50 | 4 | -0.84 | 25 | -21.00 | |
|  Maleki, Mirmahdi | | | 1750 | IRI | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Shamsi, Mohammadossein | | | 2145 | IRI | 0.50 | 1 | 0.06 | 25 | 1.50 | |  Asnaashari, Soroush | | | 2105 | IRI | 0.00 | 1 | -0.49 | 25 | -12.25 | | | Maleki, Amir | | | 2086 | IRI | 0.00 | 1 | -0.52 | 25 | -13.00 | |
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) | | | | Iranian Junior Chess Championship (Boys Under 20) | Zahedan | IRI | 2008-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2222 | 2100 | 2.00 | 5 | 0.25 | 25 | 6.25 | |
| | Shamsi, Mohammad Hossein | | | 2184 | IRI | 0.50 | 1 | 0.12 | 25 | 3.00 | | | Fathi, Himan | | | 2153 | IRI | 1.00 | 1 | 0.57 | 25 | 14.25 | | | Toufighi, Homayoon | f | | 2426 | IRI | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Barzigar, Behrang | | | 2088 | IRI | 0.50 | 1 | -0.02 | 25 | -0.50 | | | Darini, Pouria | | | 2257 | IRI | 0.00 | 1 | -0.29 | 25 | -7.25 | |
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) | | | NOTE: K factor changed | | 3rd Iranian Chess Festival Zone 1 - 2008 | Tehran | IRI | 2008-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 2100 | 1.50 | 4 | -0.96 | 15 | -14.40 | |
| | Jabbari, Farzin | | | 1867 | IRI | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Maleki, Mir Mahdi | | | 1750 | IRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Vahidi, Mohammad | f | | 2183 | IRI | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Beheshtayeen, A. | | | 2178 | IRI | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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) | | | NOTE: K factor changed | | 2nd Iranian Chess Sport Olympiad (Boys Under 20) | Bojnord | IRI | 2008-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2262 | 2100 | 0.00 | 1 | -0.29 | 15 | -4.35 | |
| | Darini, Pouria | | | 2262 | IRI | 0.00 | 1 | -0.29 | 15 | -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) | | | NOTE: K factor changed | | 2nd International Orumia Open | Orumiya | IRI | 2008-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2100 | 0.50 | 4 | -1.09 | 15 | -16.35 | |
| | Ahmadinia, E | | | 2298 | IRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Agayev, Nidjat | | | 2282 | AZE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Askerov, Mushfig | | | 2196 | AZE | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Idani, Pouya | | | 1937 | IRI | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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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