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Individual Calculations September 2022 |
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| Ghezelbash, Ali Total change: 49.20 | |   |
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| 10th Qazvin Cup - C Group (U - 14) | Qazvin | IRI | 2022-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1171 | 1352 | 2.50 | 4 | -0.39 | 40 | -15.60 | |
|  Elahi, Avesta | | | 1111 | IRI | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Faramarzi, Martia | | | 1238 | IRI | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Naderiyan, Amir Hosein | | | 1315 | IRI | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Mozaffari, Raha | | | 1020 | IRI | 1.00 | 1 | 0.12 | 40 | 4.80 | |
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) | | | | Iran Boys Student School Championship-Shahr-e kord 2022 | Shahre kord | IRI | 2022-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1417 | 1313 | 1.00 | 1 | 0.64 | 40 | 25.60 | |
| | Dezhdar, Aria | | | 1417 | IRI | 1.00 | 1 | 0.64 | 40 | 25.60 | |
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) | | | | 5th Iranian Amateures Chess Championship 2022 | Zanjan | IRI | 2022-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1600 | 1313 | 2.50 | 6 | 0.98 | 40 | 39.20 | |
| | Samsam, Farhad | | | 1977 | IRI | 0.50 | 1 | 0.49 | 40 | 19.60 | | | Farrokhi, Masoud | | | 1990 | IRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Vahedi, Karen | | | 1082 | IRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Adinehnia, Arvin | | | 1504 | IRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Ataran, Mohammad Sadegh | | | 1528 | IRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Ganji, Majid | | | 1521 | IRI | 1.00 | 1 | 0.77 | 40 | 30.80 | |
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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