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Individual Calculations August 2023 |
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| Parsa Rad, Amirhesam Total change: 13.02 | |   |
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| 6th Iranian Amateures Chess Championship 2023 (1700 To 1999) | Zanjan | IRI | 2023-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1812 | 5.50 | 9 | 1.37 | 31 | 42.47 | |
|  Hojjatinejad, Ilia | | | 1964 | IRI | 0.00 | 1 | -0.30 | 31 | -9.30 | |  Pir , Mehdi | | | 1715 | IRI | 1.00 | 1 | 0.37 | 31 | 11.47 | | | Dolatshahi, Rohollah | | | 1711 | IRI | 1.00 | 1 | 0.36 | 31 | 11.16 | | | Majidzadeh, Amirhossein | | | 1911 | IRI | 0.00 | 1 | -0.36 | 31 | -11.16 | | | Kouchaki, Amirreza | | | 1721 | IRI | 1.00 | 1 | 0.38 | 31 | 11.78 | | | Mohammadi, Mohsen | | | 1867 | IRI | 1.00 | 1 | 0.58 | 31 | 17.98 | | | Mahdavi, Mahdis | | | 1888 | IRI | 1.00 | 1 | 0.60 | 31 | 18.60 | | | Hoseini, S.alireza | | | 1917 | IRI | 0.00 | 1 | -0.36 | 31 | -11.16 | | | Golshaani, Taha | | | 1882 | IRI | 0.50 | 1 | 0.10 | 31 | 3.10 | |
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) | | | | 2nd International Gilan Cup (Masters-A Category) | Rasht | IRI | 2023-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1812 | 4.50 | 9 | -0.02 | 31 | -0.62 | |
| | Tavoosi Rad, Ramtin | | | 2052 | IRI | 0.00 | 1 | -0.20 | 31 | -6.20 | | | Keshani, Kian | | | 1648 | IRI | 1.00 | 1 | 0.28 | 31 | 8.68 | | | Khanjani, Rastin | | | 1890 | IRI | 0.00 | 1 | -0.39 | 31 | -12.09 | | | Masoumi, Sahel | | | 1736 | IRI | 0.00 | 1 | -0.60 | 31 | -18.60 | | | Dabiri, Kasra | | | 1701 | IRI | 0.50 | 1 | -0.15 | 31 | -4.65 | | | Bolandnazar, Korosh | | | 1636 | IRI | 1.00 | 1 | 0.27 | 31 | 8.37 | | | Ghanbarpour, Mahan | | | 1706 | IRI | 1.00 | 1 | 0.36 | 31 | 11.16 | | | Lomsadze, Davit | g | | 2277 | GEO | 0.00 | 1 | -0.05 | 31 | -1.55 | | | Mashhadi, Fatemeh | | | 1781 | IRI | 1.00 | 1 | 0.46 | 31 | 14.26 | |
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) | | | | Iranian Juniors Chess Championship (Boys Section - 1402) | Iran | IRI | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1599 | 1812 | 2.00 | 4 | -0.93 | 31 | -28.83 | |
| | Kiabi, Danial | | | 1412 * | IRI | 1.00 | 1 | 0.08 | 31 | 2.48 | | | Reshad, Radin | | | 1491 | IRI | 1.00 | 1 | 0.13 | 31 | 4.03 | | | Ghayourifar, Amir | | | 1959 | IRI | 0.00 | 1 | -0.30 | 31 | -9.30 | | | Ghovati, Amirhosein | | | 1532 | IRI | 0.00 | 1 | -0.84 | 31 | -26.04 | | | * 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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