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Individual Calculations September 2021 |
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| Li, David Tongjia Total change: 0.00 | |   |
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| 2021 North American Youth Chess Championships - Open Under 12 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1619 | 0 | 3.00 | 6 | 0.00 | 1619 | | 0.00 | |
|  Pang, Brian | | | 1888 | USA | 0.50 | 1 | 0.00 | | 0.00 | |  Tang, Dylan | | | 1459 | USA | 1.00 | 1 | 0.00 | | 0.00 | | | Goldstein, Arav Micah | | | 1680 | USA | 0.50 | 1 | 0.00 | | 0.00 | | | Yan, Nathan | | | 1417 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Talwalkar, Vedant Ameya | | | 1630 | USA | 1.00 | 1 | 0.00 | | 0.00 | | | Guo, Edward | | | 1640 | USA | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | |
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