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Individual Calculations September 2022 |
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| Ghorbani, Mohammad Mehdi Total change: -64.80 | |   |
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| Iran Boys Student School Championship-Shahr-e kord 2022 | Shahre kord | IRI | 2022-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1311 | 1523 | 1.00 | 3 | -1.18 | 40 | -47.20 | |
|  Mousivand, Ali | | | 1597 | IRI | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Motaajjeb, Siavash | | | 1151 | IRI | 0.00 | 1 | -0.90 | 40 | -36.00 | |  Khodaveisi, Roham | | | 1186 | IRI | 1.00 | 1 | 0.12 | 40 | 4.80 | |
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) | | | | 5th Iranian Amateures Chess Championship 2022 | Zanjan | IRI | 2022-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1484 | 1523 | 4.00 | 8 | -0.44 | 40 | -17.60 | |
| | Rahimi, Amir Mohammad | | | 1933 | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mafakheri, Hiwa | | | 1206 | IRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Moradi, Yalda | | | 1123 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mastizadeh, Saeed | | | 1825 | IRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Khoshkalam, Seyed Mahan | | | 1847 | IRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Mahmoudi, Mohammad Pouria | | | 1413 | IRI | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Noroozian, Mahtab | | | 1274 | IRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Bonabi, Hasti | | | 1252 | IRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | * 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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