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Individual Calculations July 2018 |
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| Heredia, Carla Total change: 17.40 | |   |
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| 2018 U.S. Women's Open | Las Vegas, Nevada | USA | 2018-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 2149 | 3.50 | 4 | -0.16 | 20 | -3.20 | |
|  Wongso, Merissa | | | 1749 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vidyarthi, Omya | | wc | 1749 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Acon, Jennifer | | | 1790 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Onyango, Adia | | | 1749 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 2018 National Open - U2300 | Las Vegas, Nevada | USA | 2018-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 2149 | 3.50 | 4 | 1.03 | 20 | 20.60 | |
| | Nguyen, Darian | | | 2105 | USA | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Tang, Lihong | | | 1995 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Sevilla, Julia | | | 1867 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Balint, Vilmos | | | 2249 | HUN | 1.00 | 1 | 0.64 | 20 | 12.80 | |
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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