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Individual Calculations September 2021 |
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| Durbha, Antara Total change: 3.20 | |   |
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| 2021 North American Youth Chess Championships - Girls Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1483 | 1356 | 2.50 | 7 | 0.08 | 40 | 3.20 | |
|  Yang, Adelynne | | | 1297 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | |  Kaur, Aradh | | | 1436 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Wen, Kally | | wc | 1460 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Evans, Serena | | | 1415 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Chen, Rachel Ruoxu | | | 1502 | CAN | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Rajaram, Anika | | wc | 1513 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Tang, Zoey | | | 1756 * | USA | 0.00 | 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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