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Individual Calculations September 2019 |
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| Heidari, Adrin Total change: 5.60 | |   |
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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 |
| 1294 | 1031 | 0.00 | 3 | -0.54 | 40 | -21.60 | |
|  Abasi Zamharir, Mohammad | | | 1281 | IRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Rahimi, Ali | | | 1268 | IRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Hashemi, Amin | | | 1333 | IRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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 (U10-Boys) | Alborz | IRI | 2019-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1240 | 1008 | 0.00 | 2 | -0.49 | 40 | -19.60 | |
| | Karevan, Benyamin | | | 1071 | IRI | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Mohammadi, Amir Hossein | | | 1408 * | 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) | | | | Alborz Chess Championship 1398 (U12-Boys) | Alborz | IRI | 2019-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1097 | 1008 | 1.00 | 3 | -0.14 | 40 | -5.60 | |
| | Saeidi, Amir Hossein | | | 1188 | IRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Sohrabi, Arvin | | | 1044 | IRI | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Mirzamani, Seyed Amirarta | | | 1058 | IRI | 1.00 | 1 | 0.57 | 40 | 22.80 | |
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 - U10B | Tehran | IRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1160 | 1008 | 3.50 | 7 | 1.31 | 40 | 52.40 | |
| | Riazi, Parsa | | | 1052 | IRI | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Kian Sirat , Yasin | | | 1226 | IRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Zakeri Khou, Amirhossein | | | 1153 | IRI | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Khodabakhsh, Mohammad Mahdi | | | 1154 | IRI | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Keshani, Kian | | | 1408 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Haji Abadi, Amirhossein | | | 1125 | IRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Dehghani Firouzabadi, Aria | | | 1005 | IRI | 0.00 | 1 | -0.50 | 40 | -20.00 | | | * 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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