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Individual Calculations April 2019 |
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| Najafi Tabar, Aydin Total change: 24.60 | |   |
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| 18th Qazvin Chess League 1397 Round 11-13 | Qazvin | IRI | 2019-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1481 | 1881 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
|  Yaghoubi, Hossein | | | 1481 * | 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) | | | | 5th Qazvin Nowrouz Cup U-2000 Farvardin 1398 | Qazvin | IRI | 2019-03-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1881 | 6.50 | 9 | 1.15 | 20 | 23.00 | |
| | Ghorbani, Kambiz | | | 1663 | IRI | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Rahmatpisheh, Amir Hossein | | | 1593 | IRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Zahmati, Sobhan | | | 1978 | IRI | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Marzoughi, Mohammadsadegh | | | 1991 | IRI | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Rahmani, Raza | | | 1733 | IRI | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Poudineh, Amirhosein | | | 1552 | IRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Safarian, Javad | | | 1993 | IRI | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Kanani, Anoosh | | | 1932 | IRI | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Majidi, Seyed Mohammad Parsa | | | 1771 | IRI | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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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