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Individual Calculations January 2022 |
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| Hagh Taj Dar, Rajab Ali Total change: -14.40 | |   |
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| Mazandaran Province Chess Men Championship 2021 (west) | Mazandaran | IRI | 2021-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1834 | 2.50 | 4 | -0.72 | 20 | -14.40 | |
|  Bagherpour, Seyed Behrad | | | 1434 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Miar, Arad | | | 1637 | IRI | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Kakavand, Ramtin | | | 1434 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mohammadi, Rasool | | | 1740 | IRI | 0.50 | 1 | -0.13 | 20 | -2.60 | | | * 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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