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Rapid:
Individual Calculations January 2022 |
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| Ebrahimi Erami, Alina Total change: 12.80 | |   |
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| 5th Rapid Amol Chess Tournament | Mazandaran | IRI | 2021-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1531 | 1042 | 0.50 | 3 | 0.29 | 20 | 5.80 | |
|  Amirkhanlou, Morteza | | | 1766 | IRI | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Azad, Mehdi | | | 1440 | IRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Zarifi, Hafez | | | 1386 | IRI | 0.50 | 1 | 0.38 | 20 | 7.60 | |
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) | | | | Gorgan Yalda Cup 26Azar 1400 | Gorgan | IRI | 2021-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1302 | 1042 | 1.50 | 5 | 0.35 | 20 | 7.00 | |
| | Nodeh, Mohammad Ali | | | 1489 | IRI | 0.50 | 1 | 0.44 | 20 | 8.80 | |  Ghorbani, Sajad | | | 1562 | IRI | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Batyari, Eliza | | | 1062 | IRI | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Gorzin, Mohammad Youna | | | 1204 | IRI | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Jalali Gorgan, Amir Hosein | | | 1195 | IRI | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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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