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Individual Calculations September 2018 |
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| Heydri, Mahan Total change: -20.80 | |   |
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| Tehran Under 16 Boys Championship 1397 | Tehran | IRI | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1406 | 1248 | 0.50 | 3 | -0.52 | 40 | -20.80 | |
|  Bahadori, Arash | | | 1648 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Tavakol, Mehrad | | | 1559 | IRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Ordikhani, Mohammad Mahdi | | | 1011 | IRI | 0.50 | 1 | -0.30 | 40 | -12.00 | | | * 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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