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Individual Calculations October 2008 |
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| Ebrahimi, Mohammad Total change: -15.00 | |   |
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| 18th Tehran Chess Championship (Men) 2008 | Tehran | IRI | 2008-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 2037 | 0.50 | 3 | -0.45 | 15 | -6.75 | |
|  Mahmoody, M. Sadegh, (tc) | | | 2181 | IRI | 0.00 | 1 | -0.31 | 15 | -4.65 | |  Vahidi, Mohammad | f | | 2183 | IRI | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Doostkam, P | | | 2154 | IRI | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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) | | | | 2nd Iranian Chess Sport Olympiad (Boys Under 20) | Bojnord | IRI | 2008-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 2037 | 1.00 | 3 | -0.55 | 15 | -8.25 | |
| | Hossein Zadeh, Nima | | | 2054 | IRI | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Iranfar, Amir | | | 1863 | IRI | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Lamehee, Hossein | | | 2154 | IRI | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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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