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Individual Calculations July 2019 |
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| Xu, Chang Total change: 43.60 | |   |
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| 2019 U.S. Women's Open | Las Vegas, Nevada | USA | 2019-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1644 | 1706 | 2.50 | 4 | 0.19 | 40 | 7.60 | |
|  Heredia, Carla | | wg | 2106 * | ECU | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Gu, Crystal Jiuzhou | | | 1306 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Vidyarthi, Omya | | wc | 1460 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Lu, Miaoyi | | | 1704 | CHN | 0.50 | 1 | 0.00 | 40 | 0.00 | | | * 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 National Open - U2300 | Las Vegas, Nevada | USA | 2019-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1894 | 1706 | 1.50 | 6 | -0.08 | 40 | -3.20 | |
| | Flores, Andrew | | | 1957 | USA | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Wen, Tommy | | | 1865 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Infuehr, Jakob | | | 1948 | AUT | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Levine, Joseph | | | 1885 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Mangalam, Shreya B | | | 1974 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Mohammadi, Sina | | | 1733 | USA | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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) | | | | 16th Annual Susan Polgar Foundation Girls' Invitational | St. Louis, Missouri | USA | 2019-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1706 | 2.50 | 5 | 0.98 | 40 | 39.20 | |
| | Rajaram, Anika | | wc | 1488 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Konovalenko, Sasha | | wf | 1956 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Wu, Rochelle | | wm | 2106 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Lopez Sanchez, Ana | | wc | 1789 | MEX | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Samadashvili, Martha | | wf | 2106 * | USA | 0.00 | 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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