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Individual Calculations July 2023 |
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| Abri, Ahmadali Total change: 9.80 | |   |
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| Iran Veterans (women&men) S50 Chess Championship 1402 | Chaloos | IRI | 2023-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1679 | 1742 | 5.50 | 9 | 0.49 | 20 | 9.80 | |
|  Ketabi, Majid | | | 1342 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Dolatfar, Azim | | | 1408 | IRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Mahmoodi, Nader | | | 2001 | IRI | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Noori, Amir | | | 1933 | IRI | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Barati, Mahmoud | | | 1546 | IRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Salarkia, Davood | | | 1344 | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kaberi, Javad | | | 1977 | IRI | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Mahmoody, M. Sadegh | | | 1881 | IRI | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Ghafari, Ahmad | | | 1676 | IRI | 0.00 | 1 | -0.59 | 20 | -11.80 | | | * 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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