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Blitz:
Individual Calculations September 2021 |
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| Zong, Davis Total change: -68.40 | |   |
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| 2021 North American Youth Chess Championships - Blitz Open Under 18 | Chicago, Illinois | USA | 2021-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 2129 | 4.00 | 8 | -3.42 | 20 | -68.40 | |
|  Carey, Aidan M | | | 1785 | USA | 0.00 | 1 | -0.88 | 20 | -17.60 | |  Carey, Aidan M | | | 1785 | USA | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Baalla, Nura | | | 1634 | USA | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Baalla, Nura | | | 1634 | USA | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Kaplan, Avi Harris | | | 1751 | USA | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Kaplan, Avi Harris | | | 1751 | USA | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Mendoza Recio, Josselyne | | | 1626 | MEX | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Mendoza Recio, Josselyne | | | 1626 | MEX | 1.00 | 1 | 0.04 | 20 | 0.80 | |
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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