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Individual Calculations September 2021 |
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| Xu, Arthur Total change: 89.20 | |   |
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| 2021 North American Youth Chess Championships - Open Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1984 | 8.50 | 9 | 2.23 | 40 | 89.20 | |
|  Xiong, Lang Leo | | | 1584 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  He, Henry | | | 1680 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Sharma, Vishruth | | | 1765 | CAN | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Tay, Brian | | | 1800 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Reiss, Aiden | | | 1655 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Jiang, Brandon | | | 2016 | USA | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Cavanah, Troy | | | 2006 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Jiang, Andrew | | | 1899 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Vanapalli, Vishnu | | | 1958 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | * 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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