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Individual Calculations September 2019 |
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| Keshavarz Hamidi, Karen Total change: -73.20 | |   |
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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 |
| 1328 | 1224 | 0.50 | 4 | -1.13 | 40 | -45.20 | |
|  Alimardani, Amir H | | | 1624 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Alizadegan, Korosh | | | 1567 | IRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Akbari, Arvin | | | 1106 | IRI | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Rezaei, Yekta | | | 1015 | IRI | 0.50 | 1 | -0.27 | 40 | -10.80 | | | * 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 (U12-Boys) | Alborz | IRI | 2019-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1195 | 1236 | 2.50 | 5 | -0.37 | 40 | -14.80 | |
| | Haji Abadi, Amirhossein | | | 1125 | IRI | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Ghayourifar, Amir | | | 1636 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ghiyasvand, Navid | | | 1010 | IRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Ghiyasvand, Mohammad Mahdi | | | 1160 | IRI | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Sohrabi, Arvin | | | 1044 | IRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | * 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) | | | | Chess Tehran Championship 2019 - U12B | Tehran | IRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1109 | 1236 | 1.00 | 2 | -0.33 | 40 | -13.20 | |
| | Gharibian, Rozbeh | | | 1208 | IRI | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Ghiyasvand, Navid | | | 1010 | IRI | 0.50 | 1 | -0.29 | 40 | -11.60 | |
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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