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Individual Calculations September 2018 |
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| Safdarian, Saman Total change: 9.20 | |   |
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| Alborz Aria Chess School Cup 1397 | Alborz | IRI | 2018-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1154 | 1.50 | 4 | 0.23 | 40 | 9.20 | |
|  Fathi, Mahan | | | 1071 | IRI | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Mandakari, Hosein | | | 1332 | IRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Ghayourifar, Amir | | | 1530 | IRI | 1.00 | 1 | 0.91 | 40 | 36.40 | |  Ghaffarifar, Emad | | | 1304 | IRI | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | |
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