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Individual Calculations September 2017 |
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| Rahmatpisheh, Amir Hossein Total change: 18.00 | |   |
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| Alborz Boys Under 12 Championship 1396 | Karaj | IRI | 2017-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1331 | 1249 | 2.00 | 4 | 0.45 | 40 | 18.00 | |
|  Ghaffarian, Taha | | | 1341 | IRI | 0.50 | 1 | 0.13 | 40 | 5.20 | |  Azizi, Ali | | | 1390 | IRI | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Baytamari, Amir Hossein | | | 1248 | IRI | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Afzali, Rouzbeh | | | 1344 | IRI | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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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