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Individual Calculations September 2021 |
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| Luster, Shakira Total change: 30.00 | |   |
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| 2021 North American Youth Chess Championships - Girls Under 16 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1620 | 1427 | 2.00 | 5 | 0.75 | 40 | 30.00 | |
|  Ke, Rianne | | wc | 1674 | USA | 1.00 | 1 | 0.81 | 40 | 32.40 | |  Parikh, Ananya Dev | | | 1614 | USA | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Liu, Kelsey | | | 1628 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Kumar, Asha | | | 1601 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Zhou, Chelsea | | | 1583 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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