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Individual Calculations February 2022 |
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| Sharifzade, Shahram Total change: -7.80 | |   |
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| Iranian Seniors Chess Championships 2022-Over 50 | Gilan | IRI | 2022-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1604 | 1603 | 2.00 | 5 | -0.51 | 20 | -10.20 | |
|  Karbalaei Sadeghi, Farhad | | | 1929 | IRI | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Akbarpourmiri, Massoumeh | | | 1316 | IRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Toreyfi, Abdolnabi | | | 1443 | IRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Berkeh, Bijan | | | 1671 | IRI | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Farokhfar, S Ahmad | | | 1661 | IRI | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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) | | | | Mazandaran Province Chess Men Championship 2022 (Final) | Mazandaran | IRI | 2022-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1560 | 1603 | 4.00 | 7 | 0.12 | 20 | 2.40 | |
| | Fathi, Karen | | | 1203 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Moosavifar, Seyed Abolfazl | | | 2059 | IRI | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Akbari, Arvin | | | 1220 | IRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Falah, Mehdi | | | 1998 | IRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Barmar, Melisa | | | 1112 | IRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Mohammadi, Mohammad Mehdi | | | 2099 | IRI | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Bagherpour, Seyed Behrad | | | 1228 | IRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * 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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