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Individual Calculations September 2019 |
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| Koochaki, Ariyan 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 |
| 1112 | 0 | 1.00 | 4 | 0.00 | 919 | | 0.00 | |
|  Memar Kermani, Barad | | | 1142 | IRI | 0.00 | 1 | 0.00 | | 0.00 | |  Shayegan, Danial | | | 1111 | IRI | 1.00 | 1 | 0.00 | | 0.00 | | | Saeidi, Amir Hossein | | | 1188 | IRI | 0.00 | 1 | 0.00 | | 0.00 | | | Mahmoodi, Mohamad | | | 1008 | 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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