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Individual Calculations August 2023 |
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| Kolivand, Mohammad Ali Total change: 66.40 | |   |
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| 6th Iranian Amateures Chess Championship 2023 (Under 1700) | Zanjan | IRI | 2023-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1462 | 1442 | 4.50 | 8 | 0.78 | 40 | 31.20 | |
|  Ajeli, Saeed | | | 1695 | IRI | 0.50 | 1 | 0.31 | 40 | 12.40 | |  Habibifard, Parham | | | 1644 | IRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Rasooli, Hamed | | | 1210 | IRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Zarneshan, Arash | | | 1128 | IRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Nasiri, Abolfazl | | | 1150 | IRI | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Nosratpour, Ariz | | | 1679 | IRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Taheri, Parsa | | | 1618 | IRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Vesali Khah, Parsa | | | 1573 | IRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | | | Tehran U-10 Boys Championship 1402 | Tehran | IRI | 2023-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1269 | 1497 | 5.50 | 6 | 0.88 | 40 | 35.20 | |
| | Arab Nasrabadi, Ali | | | 1131 | IRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Jalali Haji Abadi, Ehsan | | | 1282 | IRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Roshantab, Sadra | | | 1288 | IRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Razzaghi, Ali | | | 1283 | IRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Toosi, Mohammad Yasin | | | 1150 | IRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Abdolzadeh, Baktash | | | 1482 | IRI | 0.50 | 1 | -0.02 | 40 | -0.80 | |
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) | | |
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