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Individual Calculations January 2010 |
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| Tabatabaei, M Amin Total change: 48.90 | |   |
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| 2nd Omid Cup Chess Tournament | Tehran | IRI | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1680 | 3.00 | 9 | 1.32 | 25 | 33.00 | |
|  Sakhayi, Mostafa | | | 2073 | IRI | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Dalir, Javad | | | 1998 | IRI | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Zadsham, Shayan | | | 1849 | IRI | 0.50 | 1 | 0.22 | 25 | 5.50 | | | Moradi, Amirmasoud | | | 1928 | IRI | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Azimi, Khashayar | | | 1787 | IRI | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Hakimifard, Raana | | | 1832 | IRI | 1.00 | 1 | 0.70 | 25 | 17.50 | | | Cheraghi, Amin | | | 2080 * | IRI | 0.50 | 1 | 0.42 | 25 | 10.50 | | | Ghasempour, Hossein | | | 2021 | IRI | 1.00 | 1 | 0.88 | 25 | 22.00 | | | Bolourchifard, Farzad | | | 1972 | IRI | 0.00 | 1 | -0.15 | 25 | -3.75 | | | * 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) | | | NOTE: K factor changed | | World Youth Chess Championships-u8 | Antala | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1678 | 2.00 | 3 | 1.06 | 15 | 15.90 | |
| | Mitrabha, Guha | | | 1691 | IND | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Gholami, Aryan | | | 1950 | IRI | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Smirnov, Anton | | | 1833 | AUS | 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) | | |
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