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Individual Calculations September 2019 |
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| Ghayourifar, Amir Total change: -100.54 | |   |
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| 9th Qazvin Cup - B Group (U-1800) | Qazvin | IRI | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1549 | 1771 | 5.00 | 9 | -1.90 | 22 | -41.80 | |
|  Rezaei, Amir Reza | | | 1591 | IRI | 1.00 | 1 | 0.26 | 22 | 5.72 | |  Allahverdi, Davood | | | 1669 | IRI | 1.00 | 1 | 0.36 | 22 | 7.92 | | | Farmani Anuoshe, Ariyan | | | 1717 | IRI | 1.00 | 1 | 0.42 | 22 | 9.24 | | | Zeyni Vand, Ali | | | 1497 | IRI | 0.00 | 1 | -0.83 | 22 | -18.26 | | | Hosseini Sourgi, Abolfazl | | | 1662 | IRI | 0.00 | 1 | -0.65 | 22 | -14.30 | | | Mirzajani, Nagin | | | 1469 | IRI | 0.50 | 1 | -0.35 | 22 | -7.70 | | | Garoosi, Abbas | | | 1461 | IRI | 1.00 | 1 | 0.14 | 22 | 3.08 | | | Saedi, Pedram | | | 1452 | IRI | 0.50 | 1 | -0.37 | 22 | -8.14 | | | Saboori, Mohammad Mahdi | | | 1427 | IRI | 0.00 | 1 | -0.88 | 22 | -19.36 | |
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) | | | | Alborz Chess Championship 1398 (U12-Boys) | Alborz | IRI | 2019-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1800 | 6.50 | 8 | 0.22 | 22 | 4.84 | |
| | Gorjifar, Ali | | | 1400 * | IRI | 1.00 | 1 | 0.08 | 22 | 1.76 | | | Memar Kermani, Barad | | | 1400 * | IRI | 1.00 | 1 | 0.08 | 22 | 1.76 | | | Keshavarz Hamidi, Karen | | | 1400 * | IRI | 1.00 | 1 | 0.08 | 22 | 1.76 | | | Hojjatinejad, Ilia | | | 1799 | IRI | 0.50 | 1 | 0.00 | 22 | 0.00 | | | Mohammadi, Amir Hossein | | | 1595 | IRI | 1.00 | 1 | 0.24 | 22 | 5.28 | | | Majidi, Seyed Mohammad Parsa | | | 1858 | IRI | 0.50 | 1 | 0.08 | 22 | 1.76 | | | Kourechi, Ali | | | 1400 * | IRI | 0.50 | 1 | -0.42 | 22 | -9.24 | | | Ghiyasvand, Mohammad Mahdi | | | 1400 * | IRI | 1.00 | 1 | 0.08 | 22 | 1.76 | | | * 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) | | | | Alborz Chess Championship 1398 (U14-Boys) | Alborz | IRI | 2019-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1400 | 1800 | 0.00 | 2 | -1.84 | 22 | -40.48 | |
| | Azizi, Ali | | | 1400 * | IRI | 0.00 | 1 | -0.92 | 22 | -20.24 | | | Rastegari, Souroosh | | | 1400 * | IRI | 0.00 | 1 | -0.92 | 22 | -20.24 | | | * 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) | | | | Ardabil Week Achmaz School Standard Cup shahrivar 1398 | Ardabil | IRI | 2019-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1666 | 1800 | 3.50 | 7 | -0.96 | 22 | -21.12 | |
| | Shams, Sadegh | | | 1400 * | IRI | 1.00 | 1 | 0.08 | 22 | 1.76 | | | Vafa, Javad | | | 1951 | IRI | 0.00 | 1 | -0.30 | 22 | -6.60 | | | Mohamadi, Niyousha | | | 1497 | IRI | 1.00 | 1 | 0.14 | 22 | 3.08 | | | Shahali, Milad | | | 1903 | IRI | 0.50 | 1 | 0.14 | 22 | 3.08 | | | Sadeghi, Abbas | | | 1916 | IRI | 0.00 | 1 | -0.34 | 22 | -7.48 | | | Afsordedel, Asaf | | | 1598 | IRI | 0.00 | 1 | -0.76 | 22 | -16.72 | | | Tahvili Raftar, Iman | | | 1400 * | IRI | 1.00 | 1 | 0.08 | 22 | 1.76 | | | * 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) | | | | 6th Gilan Ayandehsazan Leage (Under 16) 1398 | Gilan | IRI | 2019-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1588 | 1800 | 3.50 | 5 | -0.09 | 22 | -1.98 | |
| | Barshooei, Ali | | | 1400 * | IRI | 1.00 | 1 | 0.08 | 22 | 1.76 | | | Yazdani, Ava | | | 1412 | IRI | 1.00 | 1 | 0.09 | 22 | 1.98 | | | Karami, Mahan | | | 1765 | IRI | 1.00 | 1 | 0.45 | 22 | 9.90 | | | Jalali, Saba | | | 1956 | IRI | 0.50 | 1 | 0.21 | 22 | 4.62 | | | Sejdeh, Amirsam | | | 1407 | IRI | 0.00 | 1 | -0.92 | 22 | -20.24 | | | * 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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