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Individual Calculations September 2019 |
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| Bahmani, Koorosh Total change: 66.90 | |   |
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| 9th Qazvin Cup - C Group (U-14) | Qazvin | IRI | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1203 | 1267 | 1.00 | 3 | -0.75 | 30 | -22.50 | |
|  Gorjifar, Ali | | | 1011 | IRI | 1.00 | 1 | 0.19 | 30 | 5.70 | |  Bagheri, Mahan | | | 1539 | IRI | 0.00 | 1 | -0.17 | 30 | -5.10 | | | Jafarpour, Bardia | | | 1060 | IRI | 0.00 | 1 | -0.77 | 30 | -23.10 | |
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) | | | | 3st Varamin chess tournament U1700 | Tehran - varamin | IRI | 2019-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1267 | 3.50 | 8 | 2.23 | 30 | 66.90 | |
| | Milan, Sohrab | | | 1595 | IRI | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Fathollahi, Hamid | | | 1556 | IRI | 1.00 | 1 | 0.84 | 30 | 25.20 | | | Akbari, Mostafa | | | 1661 | IRI | 1.00 | 1 | 0.92 | 30 | 27.60 | | | Eslami, Hamidreza | | | 1577 | IRI | 0.00 | 1 | -0.14 | 30 | -4.20 | | | Shahbazi, Mohsen | | | 1549 | IRI | 0.00 | 1 | -0.16 | 30 | -4.80 | | | Rasi, Davood | | | 1477 | IRI | 1.00 | 1 | 0.77 | 30 | 23.10 | | | Amiri, Erfan | | | 1579 | IRI | 0.00 | 1 | -0.14 | 30 | -4.20 | | | Roshani, Rahmatollah | | | 1475 | IRI | 0.50 | 1 | 0.27 | 30 | 8.10 | |
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) | | | | Markazi 18 Mordad Standard Cup 1398 | MArkazi | IRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1492 | 1261 | 1.50 | 5 | 0.42 | 30 | 12.60 | |
| | Shayan Manesh, Ali Akbar | | | 1599 | IRI | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Gholami, Amir Mohammad | | | 1497 | IRI | 0.50 | 1 | 0.30 | 30 | 9.00 | | | Babapour, Behrouz | | | 1440 | USA | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Dadafarid, Omran | | | 1400 | IRI | 1.00 | 1 | 0.69 | 30 | 20.70 | | | Mahdavimajd, Mohammad | | | 1522 | IRI | 0.00 | 1 | -0.18 | 30 | -5.40 | |
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) | | | | 3rd Aftab international Chess Festival 2019 - Under 1900 Group | Khomein | IRI | 2019-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1500 | 1261 | 2.00 | 7 | 0.33 | 30 | 9.90 | |
| | Fanha, Paulo | c | | 1661 * | POR | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Hamed Hajipour, Kimia | | | 1550 | IRI | 0.50 | 1 | 0.34 | 30 | 10.20 | | | Sheykhi, Hamid | | | 1661 * | IRI | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Biglarifard, Maziyar | | | 1112 | IRI | 1.00 | 1 | 0.30 | 30 | 9.00 | | | Nezhadrasol Sor, Vria | | | 1592 | IRI | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Jangjoo, Abolfazl | | | 1597 | IRI | 0.50 | 1 | 0.38 | 30 | 11.40 | | | Ebrahimi Rashti, Asal | | | 1327 | IRI | 0.00 | 1 | -0.41 | 30 | -12.30 | | | * 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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