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Individual Calculations September 2021 |
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| Jiang, Brandon Total change: -91.60 | |   |
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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 |
| 1761 | 2016 | 4.00 | 8 | -2.29 | 40 | -91.60 | |
|  Deligiannis, Dimitrios | | | 1616 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Wang, Ryan R | | | 1741 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Liang, Yu-Cheng | | | 1790 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Cavanah, Troy | | | 2006 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Xu, Arthur | c | | 1984 | USA | 0.00 | 1 | -0.54 | 40 | -21.60 | | | He, Henry | | | 1680 | USA | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Khachatryan, Nune | | | 1616 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Reiss, Aiden | | | 1655 | USA | 0.00 | 1 | -0.90 | 40 | -36.00 | | | * 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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