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Individual Calculations August 2023 |
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| Taghinejad Gilvaei, Irik Total change: 2.80 | |   |
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| Jouybar Age Categories Chess Tournament | Mazandaran | IRI | 2023-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1217 | 1153 | 1.00 | 3 | -0.37 | 40 | -14.80 | |
|  Radjoo, Viana | | | 1070 | IRI | 1.00 | 1 | 0.39 | 40 | 15.60 | |  Barzegaran, Mahan | | | 1567 | IRI | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Hakimi Rad, Daniel | | | 1015 | IRI | 0.00 | 1 | -0.69 | 40 | -27.60 | |
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) | | | | Tehran U-08 Boys Championship 1402 | Tehran | IRI | 2023-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1133 | 1153 | 1.50 | 2 | 0.44 | 40 | 17.60 | |
| | Babaei, Seyed Mohammadsadra | | | 1127 | IRI | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Malaknezhad, Mohammad Taha | | | 1138 | IRI | 1.00 | 1 | 0.48 | 40 | 19.20 | |
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) | | |
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