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Individual Calculations September 2018 |
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| Alyani, Sani Total change: 42.80 | |   |
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| Iran Boys Student elementary school Chess Championship 1397 | Ramsar | IRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1275 | 1253 | 2.50 | 3 | 1.07 | 40 | 42.80 | |
|  Esmaeili, Parsa | | | 1165 | IRI | 1.00 | 1 | 0.38 | 40 | 15.20 | |  Heydari, Mohammad Matin | | | 1455 | IRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Hemati, Alireza | | | 1204 | IRI | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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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