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Individual Calculations August 2023 |
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| Ghovati, Amirhosein Total change: -27.30 | |   |
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| 19th Gilan 1st League Round 6-8 | Gilan | IRI | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1569 | 1506 | 1.00 | 1 | 0.59 | 30 | 17.70 | |
|  Ghomi, Salman | | | 1569 | IRI | 1.00 | 1 | 0.59 | 30 | 17.70 | |
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) | | | | 6th Iranian Amateures Chess Championship 2023 (Under 1700) | Zanjan | IRI | 2023-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1311 | 1506 | 5.00 | 8 | -0.78 | 30 | -23.40 | |
|  Roshantab, Sadra | | | 1288 | IRI | 1.00 | 1 | 0.22 | 30 | 6.60 | | | Ansari, Hossein | | | 1624 | IRI | 0.00 | 1 | -0.34 | 30 | -10.20 | | | Khalilzadeh, Ayshan | | | 1230 | IRI | 1.00 | 1 | 0.17 | 30 | 5.10 | | | Ranjbarjalali, Parham | | | 1106 * | IRI | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Postbazan, Eslam | | | 1605 | IRI | 0.00 | 1 | -0.36 | 30 | -10.80 | | | Yavarirad, Amirreza | | | 1176 | IRI | 1.00 | 1 | 0.12 | 30 | 3.60 | | | Ghaderi, Amir Mohammad | | | 1219 | IRI | 1.00 | 1 | 0.16 | 30 | 4.80 | | | Taherkhani, M Hosein | | | 1237 | IRI | 0.00 | 1 | -0.83 | 30 | -24.90 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 (B Category) | Rasht | IRI | 2023-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1294 | 1532 | 5.50 | 9 | -1.46 | 30 | -43.80 | |
| | Edalatyar, Amirhosein | | | 1302 | IRI | 0.00 | 1 | -0.79 | 30 | -23.70 | | | Shahriarinour, Nahal | | | 1145 | IRI | 1.00 | 1 | 0.09 | 30 | 2.70 | | | Razmjou, Elia | | | 1320 | IRI | 1.00 | 1 | 0.23 | 30 | 6.90 | | | Raygantafrashi, Sara | | | 1204 | IRI | 1.00 | 1 | 0.13 | 30 | 3.90 | | | Nazarinezhad, Aryan | | | 1171 | IRI | 0.50 | 1 | -0.40 | 30 | -12.00 | | | Yaghoobi, Tara | | | 1334 | IRI | 1.00 | 1 | 0.24 | 30 | 7.20 | | | Movaghari, Reza | | | 1136 | IRI | 0.50 | 1 | -0.42 | 30 | -12.60 | | | Bardeh, Tahmoores | | | 1688 | IRI | 0.00 | 1 | -0.29 | 30 | -8.70 | | | Noparast, Kian | | | 1342 | IRI | 0.50 | 1 | -0.25 | 30 | -7.50 | |
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 |
| 1800 | 1532 | 2.00 | 5 | 0.74 | 30 | 22.20 | |
| | Hakimi Rad, Daniel | | | 1132 * | IRI | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Kerdegar, Amirreza | | | 1957 | IRI | 0.00 | 1 | -0.07 | 30 | -2.10 | | | Parsa Rad, Amirhesam | | | 1812 | IRI | 1.00 | 1 | 0.84 | 30 | 25.20 | | | Azadi, Amirmohammad | | | 2195 | IRI | 0.00 | 1 | -0.01 | 30 | -0.30 | | | Rahmani, Pedram | | | 1904 | IRI | 0.00 | 1 | -0.10 | 30 | -3.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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