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Individual Calculations January 2019 |
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| Jir Sarayi, Amir Arsalan Total change: 6.80 | |   |
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| Tehran U 18 League 2018 Round 5-8 | Tehran | IRI | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1280 | 1371 | 2.00 | 3 | 0.17 | 40 | 6.80 | |
|  Ghiasi, Aria | | | 1202 | IRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Tavasoli, Kianoosh | | | 1136 | IRI | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Nouri, Alaa | | | 1503 | IRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | |
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