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Individual Calculations August 2018 |
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| Rostami, Mohsen Total change: -100.80 | |   |
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| Zanjan Chess Championship 1397 | Zanjan | IRI | 2018-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1600 | 1939 | 1.50 | 4 | -2.00 | 40 | -80.00 | |
|  Nabavi, Seyed Mohamad | | | 1539 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Ali, Rostami | | | 1722 | IRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Salahi Moghadam, Mahdiyar | | | 1539 * | IRI | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Nozari, Mohammad | | | 1599 | IRI | 0.00 | 1 | -0.88 | 40 | -35.20 | | | * 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) | | | | Gilan Boys Under14 Championship 1397 | Rasht | IRI | 2018-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1589 | 1939 | 3.00 | 4 | -0.52 | 40 | -20.80 | |
| | Asadi, Mohamadreza | | | 1539 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Biriya, Mohammadamin | | | 1539 * | IRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Rostami, Hossein | | | 1737 | IRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Amjad Yazdandoust, Mohammadreza | | | 1539 * | IRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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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