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Individual Calculations September 2019 |
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| Xu, Chang Total change: -10.00 | |   |
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| 2019 Ruth Haring National Girls Tournament of Champions | Orlando, Florida | USA | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1791 | 1.50 | 3 | -0.25 | 40 | -10.00 | |
|  Kong, Sydney | | | 1591 | USA | 0.50 | 1 | -0.26 | 40 | -10.40 | |  Lossef, Amanda | | | 1801 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Zhou, Iris | | | 1794 | USA | 0.00 | 1 | -0.50 | 40 | -20.00 | |
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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