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Individual Calculations October 2017 |
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| Rabbani, Abtin Total change: -1.60 | |   |
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| Tehran Boys Under 10 Championship 2017 | Tehran | IRI | 2017-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1256 | 1136 | 2.00 | 5 | 0.19 | 40 | 7.60 | |
|  Salehi, Eilia | | | 1130 | IRI | 1.00 | 1 | 0.49 | 40 | 19.60 | |  Miar, Arad | | | 1387 | IRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Agharafiei, Arshiya | | | 1212 | IRI | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Yadollahi, Amirhossein | | | 1055 | IRI | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Rahimi, Ali | | | 1498 | IRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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) | | | | Iranian Boys Under 10 Championship 1396 | Tehran | IRI | 2017-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1482 | 1136 | 0.00 | 2 | -0.23 | 40 | -9.20 | |
| | Nazari, Mohamad | | | 1536 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nouri, Alaa | | | 1427 | IRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * 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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