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Individual Calculations October 2017 |
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| Hosseini, Mohammad Hossein Total change: 19.20 | |   |
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| Tehran Boys Under 10 Championship 2017 | Tehran | IRI | 2017-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1573 | 1247 | 1.00 | 2 | 0.73 | 40 | 29.20 | |
|  Mokhtari Moghadam, Taha | | | 1647 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Rahimi, Ali | | | 1498 | IRI | 1.00 | 1 | 0.81 | 40 | 32.40 | | | * 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) | | | | Iranian Boys Under 10 Championship 1396 | Tehran | IRI | 2017-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1318 | 1247 | 1.50 | 4 | -0.25 | 40 | -10.00 | |
| | Shams, Mohammad Matin | | | 1561 | IRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Nazari, Mohamad | | | 1589 | IRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Natanzian, Mohammad Parsa | | | 1074 | IRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Torbatian Mashhadi, Arian | | | 1046 | IRI | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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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