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Rapid:
Individual Calculations July 2023 |
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| Jafari, Koosha Total change: 34.40 | |   |
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| the first Noushahr Open Rapid Chess Tournament(Rated) | Mazandaran | IRI | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1602 | 1326 | 1.50 | 4 | 0.40 | 40 | 16.00 | |
|  Shams, Mohammad Matin | | | 2086 | IRI | 0.00 | 1 | 0.00 | 40 | 0.00 | |  Nikfar, Kianmehr | | | 1515 | IRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Najafi, Haman | | | 1151 | IRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Mohammadi, Rasool | | | 1657 | IRI | 0.50 | 1 | 0.38 | 40 | 15.20 | |
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) | | | | Competitions of brilliant talents of Babylon Chess Board Table A | Mazandaran | IRI | 2023-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1223 | 1326 | 5.50 | 8 | 0.46 | 40 | 18.40 | |
| | Mivehchi, Golsa | | | 1007 | IRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Najafi, Haman | | | 1151 | IRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Saadatmandi, Elina | | | 1497 | IRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Darjani, Mehrad | | | 1183 | IRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Hasannia, Parsa | | | 1156 | IRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Vahedi, Arad | | | 1364 | IRI | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Najafi, Diana | | | 1202 | IRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Mavadati, Youna | | | 1224 | IRI | 0.50 | 1 | -0.14 | 40 | -5.60 | |
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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