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Individual Calculations September 2019 |
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| Derakhshani, Mehrdad Total change: -13.00 | |   |
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| 4th Atrak Standard Cup 1398 - U2200 | North Khorasan | IRI | 2019-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1935 | 6.00 | 9 | -0.65 | 20 | -13.00 | |
|  Ghanad, Aliakbar | | | 1535 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ahmadi, Seyedeh Malihe | | | 1560 | IRI | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Chedani, Amir Hossein | | | 1535 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Cheshmi, Amirreza | | | 1535 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rafat, Hasan | | | 1592 | IRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Vahidi, Mohammad | f | | 2123 | IRI | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Ahmadi, Erfan | | | 1721 | IRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Binaei Tavallaei, Mahdi | | | 1975 | IRI | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Hejrati, Mohammad Mahdi | | | 1838 | IRI | 0.00 | 1 | -0.63 | 20 | -12.60 | | | * 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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