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Individual Calculations August 2023 |
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| Naderiyan, Amir Hosein Total change: -25.20 | |   |
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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 |
| 1395 | 1565 | 6.00 | 9 | -0.43 | 40 | -17.20 | |
|  Jafar Nejad, Amirmohammad | | | 1357 | IRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Noorouzi, Amirmohammad | | | 1330 | IRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Norouzi Chenari, Parham | | | 1679 | IRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Goharchin, Ghazal | | | 1384 | IRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Norouzian Arayesh, Parsa | | | 1336 | IRI | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Sharifpour, Amir Mohammad | | | 1424 | IRI | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Abdolzadeh, Baktash | | | 1368 | IRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Jalali Haji Abadi, Ehsan | | | 1282 | IRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Darabi, Mohammad Parsa | | | 1396 | IRI | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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) | | | | Tehran U-16 Boys Championship 1402 | Tehran | IRI | 2023-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1560 | 1489 | 1.50 | 4 | -0.20 | 40 | -8.00 | |
| | Salehi, Makan | | | 1465 | IRI | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Sadeghi, Ali | | | 1559 | IRI | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Parham Asl, Mani | | | 1855 | IRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Vasheghani, Behrad | | | 1361 | IRI | 0.50 | 1 | -0.17 | 40 | -6.80 | |
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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