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Individual Calculations September 2018 |
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| Hosseini, Mohammad Hossein Total change: 25.20 | |   |
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| Tehran Under 12 Boys Championship 1397 | Tehran | IRI | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1289 | 1266 | 2.50 | 4 | 0.63 | 40 | 25.20 | |
|  Niaei, Keyhan | | | 1073 | IRI | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Hosseinzadeh, Amir Mahdi | | | 1425 | IRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Nazeri, Nima | | | 1319 | IRI | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Novin, Ahmadreza | | | 1340 | IRI | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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