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Individual Calculations August 2018 |
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| Vittal, Sanjana Total change: -16.80 | |   |
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| 2018 U.S. Girls Junior Championship | Saint Louis, Missouri | USA | 2018-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 1947 | 1.50 | 9 | -0.75 | 40 | -30.00 | |
|  Samadashvili, Martha | | wf | 2040 | USA | 0.50 | 1 | 0.13 | 40 | 5.20 | |  Yip, Carissa | f | wf | 2347 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Yu, Jennifer | f | wm | 2347 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wu, Rochelle | | wc | 2110 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Feng, Maggie | f | wc | 2236 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Nguyen, Emily | | wm | 2215 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Cervantes, Thalia | | wf | 2208 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Matus, Nastassja | | wf | 1960 | USA | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Morris-Suzuki, Sophie | | | 1980 | USA | 0.00 | 1 | -0.45 | 40 | -18.00 | | | * 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) | | | | 15th Annual Susan Polgar Foundation Girls Invitational | St. Louis, Missouri | USA | 2018-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1947 | 3.50 | 5 | 0.33 | 40 | 13.20 | |
| | Cao, Lucy | | | 1583 | CAN | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Li, Yilin | | | 1885 | CAN | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Li, Marissa | | wc | 1974 | USA | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Mangalam, Shreya B | | | 1862 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Konovalenko, Sasha | | wf | 1872 | USA | 0.00 | 1 | -0.60 | 40 | -24.00 | |
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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