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Individual Calculations September 2017 |
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| Li, Marissa Total change: -29.20 | |   |
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| 2017 National Girls Tournament of Champions | Norfolk, Virginia | USA | 2017-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1884 | 1839 | 1.50 | 3 | 0.17 | 40 | 6.80 | |
|  Avirneni, Saithanusri | | | 1766 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | |  Rajendra, Anupama S | | | 1863 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Wang, Annie | | wm | 2023 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | | | 63rd Iowa Open Championship | Coralville, Iowa | USA | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1839 | 1.00 | 3 | -0.90 | 40 | -36.00 | |
| | Hartmann, John R | | | 1888 | USA | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Reinke, Robert T. | | | 1618 | USA | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Chen, Nathan | | | 1694 | USA | 0.00 | 1 | -0.69 | 40 | -27.60 | |
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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