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Individual Calculations September 2018 |
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| Niazi, Mahan Total change: 2.00 | |   |
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| Tehran Under 14 Boys Championship 1397 | Tehran | IRI | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1223 | 1076 | 1.00 | 3 | 0.05 | 40 | 2.00 | |
|  Khaneki, Amir Hossein | | | 1379 | IRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Jazayeri, Amirali | | | 1159 | IRI | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Jafari, Sepehr | | | 1132 | IRI | 1.00 | 1 | 0.58 | 40 | 23.20 | |
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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