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Rapid:
Individual Calculations July 2023 |
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| Najafi, Haman Total change: 91.20 | |   |
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| the first Noushahr Open Rapid Chess Tournament(Rated) | Mazandaran | IRI | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1151 | 2.00 | 5 | 0.55 | 40 | 22.00 | |
|  Azmoon, Gholamreza | | | 1591 | IRI | 1.00 | 1 | 0.94 | 40 | 37.60 | |  Zare, Nazanin Zahra | | | 1313 | IRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Archin Aranchi, Mansour | | | 1385 | IRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Jafari, Koosha | | | 1326 | IRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Raghibdoust, Arka | | | 1067 | IRI | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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) | | | | Competitions of brilliant talents of Babylon Chess Board Table A | Mazandaran | IRI | 2023-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1289 | 1151 | 4.00 | 7 | 1.73 | 40 | 69.20 | |
| | Jafari, Koosha | | | 1326 | IRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Hoseini, Arshia | | | 1144 | IRI | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Saeidzadeh, Mohammad Reza | | | 1228 | IRI | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Mavadati, Youna | | | 1224 | IRI | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Razzaghi, Ali | | | 1482 | IRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Darabi, Bahar | | | 1284 | IRI | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Noori, Abolfazl | | | 1332 | IRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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