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Rapid:
Individual Calculations June 2023 |
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| Nikrooii, Erfan Total change: -78.60 | |   |
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| Tehran Grand Prize Chess Tournament | Tehran | IRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1462 | 1519 | 1.00 | 4 | -1.35 | 20 | -27.00 | |
|  Riahi, Arvin | | | 1882 | IRI | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Dashtaki, Mohammadmehdi | | | 1362 | IRI | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Karimi, Artin | | | 1252 | IRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Malaknezhad, Mohammad Taha | | | 1352 | IRI | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | Alborz Rapid 5 Khordad 1402 | Alborz | IRI | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1161 | 1519 | 1.00 | 4 | -2.58 | 20 | -51.60 | |
| | Babakhani, Arad | | | 1119 * | IRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Yaghoubi, Amirali | | | 1164 | IRI | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Pourreza, Mona | | | 1161 | IRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Doroudi, Mashhoud | | | 1201 | IRI | 0.00 | 1 | -0.87 | 20 | -17.40 | | | * 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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