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Individual Calculations September 2019 |
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| Ghiyasvand, Mohammad Mahdi Total change: -10.40 | |   |
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| Alborz Chess Championship 1398 (U12-Boys) | Alborz | IRI | 2019-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1314 | 1160 | 2.00 | 5 | 0.30 | 40 | 12.00 | |
|  Mohammadi, Amir Hossein | | | 1560 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gorjifar, Ali | | | 1011 | IRI | 1.00 | 1 | 0.30 | 40 | 12.00 | |  Keshavarz Hamidi, Karen | | | 1236 | IRI | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Kourechi, Ali | | | 1203 | IRI | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Ghayourifar, Amir | | | 1560 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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 |
| 1352 | 1160 | 1.00 | 4 | -0.04 | 40 | -1.60 | |
| | Khosronejad, Abtin | | | 1470 | IRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Rahimi, Ali | | | 1268 | IRI | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Abasi Zamharir, Mohammad | | | 1281 | IRI | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Arabcari, Aidin | | | 1389 | IRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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 Shahid Hojaji Najafabad Open Tournoment | Isfahan | IRI | 2019-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1487 | 1160 | 0.00 | 4 | -0.52 | 40 | -20.80 | |
| | Salman, Yasin | | | 1560 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Edalatkhah, Mohsen | | | 1482 | IRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Karimzadeh, Amirhossein | | | 1456 | IRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Gholipour, Amirhosein | | | 1448 | IRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | * 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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