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Individual Calculations September 2018 |
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| Hosseinzadeh, Amir Mahdi Total change: 0.80 | |   |
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| Tehran Under 12 Boys Championship 1397 | Tehran | IRI | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1325 | 1425 | 2.50 | 4 | 0.02 | 40 | 0.80 | |
|  Bagheri, Mohammad Mahdi | | | 1103 | IRI | 1.00 | 1 | 0.13 | 40 | 5.20 | |  Hosseini, Mohammad Hossein | | | 1266 | IRI | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Asgari, Behrad | | | 1615 | IRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Teimouri Yadkuri, Shahdad | | | 1317 | IRI | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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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