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Individual Calculations July 2019 |
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| Vidyarthi, Omya Total change: 22.00 | |   |
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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 |
| 1657 | 1460 | 1.00 | 3 | 0.15 | 40 | 6.00 | |
|  Liu, Joanna | | wf | 1860 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Xu, Chang | | | 1706 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Zhang, Ellie | | | 1404 | USA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | * 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 National Open - U2100 | Las Vegas, Nevada | USA | 2019-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 1460 | 2.00 | 4 | 1.47 | 40 | 58.80 | |
| | Xu, Kevin | | | 1616 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Perkins, Josiah | | | 1860 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Reyes, Virgilio | | | 1860 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Uzzaman, Ashik | | | 1860 * | 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) | | | | 16th Annual Susan Polgar Foundation Girls' Invitational | St. Louis, Missouri | USA | 2019-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1469 | 1460 | 1.00 | 4 | -1.07 | 40 | -42.80 | |
| | Samadashvili, Martha | | wf | 1860 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Morden, Simone | | | 1375 | USA | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Parikh, Ananya Deval | | | 1259 | USA | 0.00 | 1 | -0.76 | 40 | -30.40 | | | La Fleur, Zara | | | 1381 | TTO | 1.00 | 1 | 0.39 | 40 | 15.60 | | | * 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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