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Individual Calculations September 2019 |
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| Mirali, Aptin Total change: 0.00 | |   |
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| Alborz Chess Championship 1398 (U12-Boys) | Alborz | IRI | 2019-08-11 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1103 | 0 | 0.00 | 3 | 0.00 | 303 | | 0.00 | |
|  Kourechi, Ali | | | 1203 | IRI | 0.00 | 1 | 0.00 | | 0.00 | |  Jafari, Mohammad | | | 1012 | IRI | 0.00 | 1 | 0.00 | | 0.00 | | | Seyed Nouri, Amirali | | | 1093 | IRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Chess Tehran Championship 2019 - U12B | Tehran | IRI | 2019-08-16 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1150 | 0 | 1.00 | 3 | 0.00 | 1025 | | 0.00 | |
| | Jalili, Mohammad | | | 1175 | IRI | 0.50 | 1 | 0.00 | | 0.00 | | | Namdarnia, Hossein | | | 1108 | IRI | 0.50 | 1 | 0.00 | | 0.00 | | | Ahmadi, Mahyar | | | 1166 | IRI | 0.00 | 1 | 0.00 | | 0.00 | |
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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