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Individual Calculations September 2018 |
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| Abhari, Mehdi Total change: -31.60 | |   |
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| Iran Boys Student Middle school Chess Championship 1397 | Zanjan | IRI | 2018-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1462 | 1445 | 2.50 | 5 | 0.06 | 40 | 2.40 | |
|  Moosapour, Rastin | | | 1757 | IRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Adibikhah, Sobhan | | | 1364 | IRI | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Ghadiri, Sobhan | | | 1523 | IRI | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Salahi Moghadam, Mahdiyar | | | 1396 | IRI | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Karimzade, Hosein | | | 1269 | IRI | 1.00 | 1 | 0.27 | 40 | 10.80 | |
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) | | | | East Azerbaijan Chess Championship 1397 | Tabriz | IRI | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1541 | 1445 | 0.00 | 2 | -0.85 | 40 | -34.00 | |
| | Hosseinzadeh, Nima | | | 1845 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mahdavinia, Erfan | | | 1237 | IRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | * 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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