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Rapid:
Individual Calculations January 2024 |
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| Zafari Yekta, Niyousha Total change: -8.80 | |   |
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| Weekly competition on December 14, rating below 1800 at Ahouran Chess School | Tehran | IRI | 2023-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1435 | 1205 | 1.00 | 5 | -0.22 | 40 | -8.80 | |
|  Kiaei, Ali | | | 1727 | IRI | 0.00 | 1 | -0.03 | 40 | -1.20 | |  Heydari, Kamran | | | 1451 | IRI | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Masajedi, Amirreza | | | 1386 | IRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Forouhar, Pendar | | | 1414 | IRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Vakil, Mohammad Hossein | | | 1196 | IRI | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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) | | |
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