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Individual Calculations December 2017 |
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| Riahi, Arvin Total change: 71.60 | |   |
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| Gilan First League 1396 Round 1-4 | Gorga | IRI | 2017-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1240 | 2.00 | 2 | 1.79 | 40 | 71.60 | |
|  Nikzad, Farzad | | | 1586 | IRI | 1.00 | 1 | 0.89 | 40 | 35.60 | |  Ahmadi, Shayan | | | 1601 | IRI | 1.00 | 1 | 0.90 | 40 | 36.00 | |
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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