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Individual Calculations September 2018 |
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| Farhani, Sina Total change: -50.40 | |   |
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| Alborz Aria Chess School Cup 1397 | Alborz | IRI | 2018-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1156 | 1432 | 3.50 | 4 | 0.27 | 40 | 10.80 | |
|  Davoodi, Mohammad Farham | | | 1032 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Keshavarzfathi, Nazanin Zahra | | | 1198 | IRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Aghavali, Khashayar | | | 1351 | IRI | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Darvishi, Matin | | | 1043 | IRI | 0.50 | 1 | -0.41 | 40 | -16.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Iran Boys Student elementary school Chess Championship 1397 | Ramsar | IRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1515 | 1432 | 0.00 | 4 | -1.53 | 40 | -61.20 | |
| | Mokhtari Moghadam, Taha | | | 1687 | IRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Rashedi, Amin | | | 1648 | IRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Ghaemi, Ali Reza | | | 1091 | IRI | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Mokhtarzadeh, M.reza | | | 1632 | IRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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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