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Individual Calculations August 2018 |
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| Ahmadi, Erfan Total change: 45.60 | |   |
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| North Khorasan Chess Championship 1397 | Bojnourd | IRI | 2018-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1555 | 1600 | 6.00 | 9 | 1.14 | 40 | 45.60 | |
|  Mohammadi, Amirreza | | | 1200 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Hejrati, Mohammad Mahdi | | | 1807 | IRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Mehrafzun, Matin | | | 1200 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Derakhshani, Mehrdad | | | 1992 | IRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Hosseini, Mohammad Ebrahim | | | 1653 | IRI | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Rezapoor, Abbas | | | 1857 | IRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Ghanad, Aliakbar | | | 1415 | IRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Rahmani, Hossein | | | 1616 | IRI | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Rahimi, Abotaleb | | | 1258 | IRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | * 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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