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Individual Calculations September 2019 |
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| Sohrabi, Arvin Total change: 49.60 | |   |
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| Alborz Chess Championship 1398 (U12-Boys) | Alborz | IRI | 2019-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1191 | 1044 | 3.50 | 7 | 1.24 | 40 | 49.60 | |
|  Mohammadi, Amir Hossein | | | 1444 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Mirzamani, Seyed Amirarta | | | 1058 | IRI | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Mahmoodi, Mohamad | | | 1008 | IRI | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Marzban, Amir Hossein | | | 1206 | IRI | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Safdarian, Saman | | | 1260 | IRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Haji Abadi, Amirhossein | | | 1125 | IRI | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Keshavarz Hamidi, Karen | | | 1236 | IRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | * 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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