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Individual Calculations June 2022 |
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| Zandi, Mohammad Taha Total change: 26.80 | |   |
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| Qazvin Chess Championship - 1400 | Qazvin | IRI | 2022-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1229 | 2.00 | 3 | 1.17 | 40 | 46.80 | |
|  Amirpour, Gholamreza | | | 1486 | IRI | 1.00 | 1 | 0.82 | 40 | 32.80 | |  Rasi, Davood | | | 1399 | IRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Akef, Erfan | | | 1323 | IRI | 1.00 | 1 | 0.63 | 40 | 25.20 | |
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) | | | | Tehran Chess Championship U14 Boys | Tehran | IRI | 2022-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1283 | 1283 | 2.50 | 6 | -0.50 | 40 | -20.00 | |
| | Niaei, Keyhan | | | 1184 | IRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Naeimi Omran, Ashkan | | | 1237 | IRI | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Sadeghi, Ali | | | 1459 | IRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Naeimi Omran, Aria | | | 1445 | IRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Tabassomi, Amir Erfan | | | 1042 | IRI | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Abed Natanzi, Parsa | | | 1328 | IRI | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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) | | |
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