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Individual Calculations September 2021 |
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| Tang, Zoey Total change: 35.60 | |   |
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| 11th Annual Dewain Barber National Tournament of Middle School State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1985 | 3.00 | 5 | 0.67 | 40 | 26.80 | |
|  Tyrrell, Benjamin | | | 1585 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Ngo, Bach | | | 2071 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Wen, Tommy | | | 1971 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Vidyarthi, Vyom | c | | 2225 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Le, Harry | | | 2130 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | | | * 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) | | | | 2021 North American Youth Chess Championships - Girls Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 2021 | 8.50 | 9 | 0.22 | 40 | 8.80 | |
| | Yang, Adelynne | | | 1621 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wen, Kally | | wc | 1621 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Chen, Rachel Ruoxu | | | 1621 * | CAN | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Wang, Lilian | | | 1621 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gomez Camara, Sofia | | | 1621 * | MEX | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rajaram, Anika | | wc | 1621 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kaur, Aradh | | | 1621 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Evans, Serena | | | 1621 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Durbha, Antara | | | 1621 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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