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Individual Calculations October 2021 |
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| Song, Alan Total change: -23.20 | |   |
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| 80th New England Open | Westford, Massachusetts | USA | 2021-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 2012 | 3.50 | 5 | -0.58 | 40 | -23.20 | |
|  He, Henry | | | 1773 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Ji, Yunze Owen | | | 1682 | USA | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Carlson, Joaquin | | | 1731 | USA | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Zhou, David Tianyi | | | 1909 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Meng, Alexander | | | 1612 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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