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Individual Calculations November 2021 |
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| Liu, Kelsey Total change: 27.20 | |   |
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| 89th Massachusetts Open | Quincy, Massachusetts | USA | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1764 | 3.00 | 5 | 0.68 | 40 | 27.20 | |
|  Poliannikov, Danila | f | | 2164 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Li, Justin Y | | | 1590 | USA | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Wang, Ryan | | | 1562 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Ni, Brandon | | | 1637 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Chase, Christopher | f | | 2164 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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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