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Individual Calculations July 2019 |
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| Samadashvili, Martha Total change: -27.20 | |   |
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| 16th Annual Susan Polgar Foundation Girls' Invitational | St. Louis, Missouri | USA | 2019-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 2151 | 3.50 | 5 | -0.68 | 40 | -27.20 | |
|  Vidyarthi, Omya | | wc | 1751 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Lee, Alice | | | 1751 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Tang, Zoey | | | 1844 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Nguyen, Emily Quynh | | wm | 2108 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Xu, Chang | | | 1751 * | 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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