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Individual Calculations September 2019 |
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| Zhou, Iris Total change: 38.00 | |   |
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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 |
| 1753 | 1794 | 4.50 | 6 | 1.30 | 40 | 52.00 | |
|  Soori, Rose | | | 1568 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Low, Beatrice | | | 1404 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Velea, Anne-Marie | | wf | 1994 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Lee, Alice | | | 1822 | USA | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Konovalenko, Sasha | | wf | 1941 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Xu, Chang | | | 1791 | USA | 1.00 | 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) | | | | 2019 NAYCC U16 Girls | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1618 | 1794 | 4.50 | 7 | -0.35 | 40 | -14.00 | |
| | Hiromi Carrillo Aguayo, Bertha | | | 1504 | MEX | 0.50 | 1 | -0.34 | 40 | -13.60 | | | He, Emma | | wf | 1808 | CAN | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Cui, Cynthia | | | 1783 | CAN | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Vittal, Sanjana | | wf | 1906 | USA | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Chan, Alison | | | 1394 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Su, Carah | | | 1493 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Wang, Isabelle | | | 1439 | CAN | 0.50 | 1 | -0.39 | 40 | -15.60 | | | * 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) | | |
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