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Individual Calculations September 2019 |
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| Gorjifar, Ali Total change: -36.80 | |   |
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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 |
| 1248 | 1011 | 0.00 | 2 | -0.41 | 40 | -16.40 | |
|  Bahmani, Koorosh | | | 1267 | IRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Motaki, Parsoon | | | 1228 | IRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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) | | | | Alborz Chess Championship 1398 (U12-Boys) | Alborz | IRI | 2019-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1303 | 1011 | 0.00 | 3 | -0.51 | 40 | -20.40 | |
| | Ghayourifar, Amir | | | 1411 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Ghiyasvand, Mohammad Mahdi | | | 1160 | IRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Nozari, Sina | | | 1337 | IRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | * 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) | | |
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