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Individual Calculations January 2020 |
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| Zolfi, Mostafa Total change: 8.00 | |   |
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| 19th Qazvin League 1398 Round 1-4 | Qazvin | IRI | 2019-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1589 | 1688 | 1.00 | 2 | -0.16 | 40 | -6.40 | |
|  Najafi Tabar, Aydin | | | 1889 | IRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Mirdamadi, Masoumeh | | | 1288 * | IRI | 1.00 | 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) | | | NOTE: K factor changed | | 19th Qazvin League 1398 Round 5-11 | Qazvin | IRI | 2019-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1419 | 1688 | 4.00 | 4 | 0.72 | 20 | 14.40 | |
| | Khezri, Seyed Majid | | | 1451 | IRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Sobhanipour, Abbas | | | 1469 | IRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Ahmadi, Parsa | | | 1468 | IRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Karimkhani, Ariyan | | | 1288 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | |
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