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Individual Calculations August 2023 |
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| Ghayourifar, Amir Total change: -65.10 | |   |
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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 |
| 1857 | 1959 | 4.50 | 7 | 0.05 | 31 | 1.55 | |
|  Rezaeii , Amirreza | | | 1806 | IRI | 1.00 | 1 | 0.30 | 31 | 9.30 | |  Marzoughi, Mohammadsadegh | | | 1870 | IRI | 1.00 | 1 | 0.38 | 31 | 11.78 | | | Mahmoody, M. Sadegh | | | 1881 | IRI | 1.00 | 1 | 0.39 | 31 | 12.09 | | | Barzegar, Saeb | | | 1973 | IRI | 0.50 | 1 | 0.02 | 31 | 0.62 | | | Mahdavi, Mahdis | | | 1888 | IRI | 0.50 | 1 | -0.10 | 31 | -3.10 | | | Aghili Mofid, Davood | | | 1744 | IRI | 0.50 | 1 | -0.27 | 31 | -8.37 | | | Abbasi Abeluie, Mohammad Mehdi | | | 1837 | IRI | 0.00 | 1 | -0.67 | 31 | -20.77 | |
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 |
| 1834 | 1959 | 4.00 | 9 | -2.02 | 31 | -62.62 | |
| | Mashhadi, Fatemeh | | | 1781 | IRI | 0.50 | 1 | -0.23 | 31 | -7.13 | | | Mirzaeian, Ehsan | | | 1819 | IRI | 1.00 | 1 | 0.31 | 31 | 9.61 | | | Samimi, Armin | | | 1845 | IRI | 0.50 | 1 | -0.16 | 31 | -4.96 | | | Hamedi Nia, Vesal | | wm | 1835 | IRI | 0.50 | 1 | -0.17 | 31 | -5.27 | | | Mahboubi, Mahziar | | | 1819 | IRI | 0.00 | 1 | -0.69 | 31 | -21.39 | | | Yousefikia, Arian | | | 1805 | IRI | 1.00 | 1 | 0.29 | 31 | 8.99 | | | Alizadegan, Korosh | | | 1836 | IRI | 0.00 | 1 | -0.67 | 31 | -20.77 | | | Esmaeili, Soroush | | | 1810 | IRI | 0.50 | 1 | -0.20 | 31 | -6.20 | | | Vaziri, Rasool | | | 1959 | IRI | 0.00 | 1 | -0.50 | 31 | -15.50 | |
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 |
| 1803 | 1959 | 4.00 | 6 | -0.13 | 31 | -4.03 | |
| | Cheshmkhavari, Mehrsam | | | 1644 | IRI | 1.00 | 1 | 0.14 | 31 | 4.34 | | | Parsa Rad, Amirhesam | | | 1812 | IRI | 1.00 | 1 | 0.30 | 31 | 9.30 | | | Rahmani, Pedram | | | 1904 | IRI | 0.50 | 1 | -0.08 | 31 | -2.48 | | | Bahadori, Arash | | | 2057 | IRI | 0.00 | 1 | -0.37 | 31 | -11.47 | | | Ahadian, Armin | | | 1755 | IRI | 0.50 | 1 | -0.26 | 31 | -8.06 | | | Habibifard, Parham | | | 1644 | IRI | 1.00 | 1 | 0.14 | 31 | 4.34 | |
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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