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Individual Calculations June 2019 |
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| Yan, Rui Yang Total change: -16.00 | |   |
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| Western States Women's Regional | Berkeley, California | USA | 2019-05-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1957 | 2.00 | 4 | -0.42 | 40 | -16.80 | |
|  Meiyappan, Annapoorni | | wf | 1562 | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Shaughnessy, Elizabeth | | | 1557 * | IRL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Heredia, Carla | | wg | 2137 | ECU | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Lee, Megan | | wm | 2088 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | * 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) | | | | 2019 Best of the West Class Championship | Santa Clara, California | USA | 2019-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1957 | 3.50 | 6 | 0.02 | 40 | 0.80 | |
| | Ho, Michael | | | 1693 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Sivakumar, Shaakeeth | | | 1820 | USA | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Lu, Joshua | | | 1931 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Kaleeswaran, Jaisuraj | | | 1792 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Eswaran, Ashritha | | wm | 2243 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Wang, Henry | | | 1915 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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) | | |
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