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Individual Calculations February 2022 |
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| Kian Sirat, Yasin Total change: 43.60 | |   |
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| Tehran U 18 League 2019 -2021 Round 12-14 | Tehran | IRI | 2021-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1160 | 1.00 | 2 | 0.51 | 40 | 20.40 | |
|  Jahani, Amir Ali | | | 1223 | IRI | 1.00 | 1 | 0.59 | 40 | 23.60 | |  Baytamari, Amir Hossein | | | 1560 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Tehran U 18 League 2019 -2021 Round 15-18 | Tehran | IRI | 2022-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1488 | 1157 | 1.00 | 2 | 0.58 | 40 | 23.20 | |
| | Zandi, Mohammad Taha | | | 1226 | IRI | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Alizadeh, Amirmohammad | | | 1750 | IRI | 0.00 | 1 | -0.02 | 40 | -0.80 | |
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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