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Individual Calculations August 2018 |
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| Rostami, Hossein Total change: -74.80 | |   |
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| Zanjan Chess Championship 1397 | Zanjan | IRI | 2018-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1588 | 1737 | 1.50 | 3 | -0.51 | 40 | -20.40 | |
|  Salahi Moghadam, Mahdiyar | | | 1375 | IRI | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Kazemianmoghadam, Bahador | | | 1791 | IRI | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Nozari, Mohammad | | | 1599 | IRI | 0.00 | 1 | -0.69 | 40 | -27.60 | |
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) | | | | Gilan Boys Under14 Championship 1397 | Rasht | IRI | 2018-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1533 | 1737 | 1.50 | 4 | -1.36 | 40 | -54.40 | |
| | Karimi, Mohammadmahdi | | | 1337 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Molaei, Arian | | | 1518 | IRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Rostami, Mohsen | | | 1939 | IRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Nezamdoust, Amir Mohammad | | | 1337 * | IRI | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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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