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Individual Calculations September 2021 |
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| Zheng, Carissa Angela Total change: -40.80 | |   |
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| 9th Annual WIM Ruth Haring National Tournament of Girls State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1966 | 1.00 | 2 | -0.66 | 40 | -26.40 | |
|  Lossef, Amanda | | | 1785 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Low, Beatrice | | | 1566 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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) | | | | 53rd Annual Atlantic Open - Major | Reston, Virginia | USA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 1819 | 1.00 | 3 | -0.36 | 40 | -14.40 | |
| | Adewumi, Tanitoluwa | | | 1895 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | |  Malyshev, Roman P | | | 1988 | RUS | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Gaw, Chloe | | | 1685 | USA | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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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