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Individual Calculations September 2021 |
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| Tang, Dylan Total change: 42.80 | |   |
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| 2021 North American Youth Chess Championships - Open Under 12 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1772 | 1459 | 1.50 | 3 | 1.07 | 40 | 42.80 | |
|  Yakupov, Daut | | | 1778 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Liu, Eric Chang | | | 1859 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Tang, Austin | | | 1679 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | * 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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