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Individual Calculations August 2023 |
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| Ghaffari, Ahmad Total change: 20.00 | |   |
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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 |
| 1500 | 1625 | 7.00 | 9 | 1.00 | 20 | 20.00 | |
|  Hashemi, Mohammad | | | 1403 | IRI | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Shabaniyan, Faranak | | | 1484 | IRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Hashemi, Farhad | | | 1558 | IRI | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Beikpour, Mohammadhossein | | | 1513 | IRI | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Sherafat , Mahdi | | | 1470 | IRI | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Zihaghi, Amir Arsalan | | | 1589 | IRI | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Nemati, Mehrad | | | 1521 | IRI | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Parmar, Mohammad Yasin | | | 1497 | IRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Sotoude Nia, Mahdiar | | | 1461 | IRI | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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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