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Individual Calculations July 2023 |
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| Zhang, Kylie Total change: -60.00 | |   |
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| 32nd annual Chicago Open - U2100 Section | Wheeling, IL | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1834 | 3.50 | 6 | -1.22 | 40 | -48.80 | |
|  Sax, Robert David | | | 1605 | USA | 0.50 | 1 | -0.29 | 40 | -11.60 | |  Pulley, Alvin J | | | 1714 | USA | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Xu, Zhuo Yuan | | | 1428 | CAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Sun, Sophia | | | 1437 | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Hamilton, Mark | | | 1752 | USA | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Jiang, Mathew | | | 1567 | USA | 0.00 | 1 | -0.82 | 40 | -32.80 | |
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) | | | | 2023 National Open - Under 2100 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1890 | 1835 | 1.00 | 3 | -0.28 | 40 | -11.20 | |
| | Desousa, Brian | | | 1837 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Tabor, Kai | | | 1926 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Goli, Sandhya | | wc | 1907 | IND | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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