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Individual Calculations September 2022 |
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| Zhang, Ellie Total change: 13.20 | |   |
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| 10th Annual WIM Ruth Haring National Tournament of Girls State Champions | Rancho Mirage, California | USA | 2022-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 1591 | 0.00 | 2 | -0.16 | 40 | -6.40 | |
|  Yan, Ruiyang | f | wc | 2248 | USA | 0.00 | 1 | -0.01 | 40 | -0.40 | |  Dommalapati, Aasa | | wc | 1891 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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) | | | | 2022 NAYCC U16 Girls | Calgary | CAN | 2022-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1549 | 1591 | 5.50 | 9 | 0.59 | 40 | 23.60 | |
| | Changkachith, Alyssa | | | 1191 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gilani, Mysha | | wc | 1422 | CAN | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Wang, Tianna | | | 1696 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Wang, Rachel Zihan | | | 1558 | CAN | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Kaur, Aradh | | | 1587 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Ke, Rianne | | wc | 1779 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Zhou, Chelsea | | | 1666 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Wang, Lilian | | | 1597 | USA | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Zhou, Celina | | | 1442 | USA | 0.50 | 1 | -0.20 | 40 | -8.00 | | | * 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) | | | | 2022 Las Vegas Open - U2100 | Las Vegas, Nevada | USA | 2022-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1591 | 1.50 | 3 | -0.10 | 40 | -4.00 | |
| | Sankar, Arjun | | | 1583 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Blackman, Ryan K | | | 1576 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Cui, Young | | | 1541 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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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