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Individual Calculations August 2023 |
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| Dezhdar, Amir Hossein Total change: 30.40 | |   |
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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 |
| 1466 | 1241 | 1.00 | 5 | -0.10 | 40 | -4.00 | |
|  Salehi, Mahan | | | 1454 | IRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |  Zeynali, Ali | | | 1519 | IRI | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Mokhtar Sasani, Foad | | | 1460 | IRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Rahnama, M.reza | | | 1386 | IRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Javanshir, Omid | | | 1509 | IRI | 0.00 | 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) | | | | 15th Hormozgan Cup (Under 2200) | Hormozgan | IRI | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1241 | 2.00 | 5 | 0.86 | 40 | 34.40 | |
| | Soleimanian, Milad | | | 1794 | IRI | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Mirzaee, Amir Abbas | | | 1090 | IRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Johari, Atena | | | 1573 | IRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Malakouti, Ehsan | | | 1684 | IRI | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Rostami Nejad, Reza | | | 1449 | IRI | 1.00 | 1 | 0.77 | 40 | 30.80 | |
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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