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Individual Calculations September 2019 |
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| Vidyarthi, Omya Total change: 13.68 | |   |
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| Panamericano de la Juventud 2019 sub 10 femenino | Guayaquil | ECU | 2019-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1287 | 1482 | 6.50 | 8 | 0.64 | 38 | 24.32 | |
|  Torres Ccahuay, Dayana Nievevska | | | 1146 | PER | 1.00 | 1 | 0.12 | 38 | 4.56 | |  Mayorga Araya, Sofia | | | 1233 | CRC | 1.00 | 1 | 0.19 | 38 | 7.22 | | | Sanchez Cruz, Mireya Jassly | | | 1247 | PER | 0.50 | 1 | -0.29 | 38 | -11.02 | | | Vizcarra, Quispe Ramalia | | | 1245 | PER | 1.00 | 1 | 0.20 | 38 | 7.60 | | | Gu, Crystal Jiuzhou | | | 1318 | USA | 1.00 | 1 | 0.28 | 38 | 10.64 | | | Wu, Abbie | | | 1528 | USA | 0.50 | 1 | 0.06 | 38 | 2.28 | | | Veliz, Daira Isis | | wc | 1476 | ARG | 1.00 | 1 | 0.49 | 38 | 18.62 | | | Romero Torres, Amelia Valentina | | | 1100 | ECU | 0.50 | 1 | -0.41 | 38 | -15.58 | |
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 Ruth Haring National Girls Tournament of Champions | Orlando, Florida | USA | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1542 | 1586 | 2.00 | 4 | -0.14 | 38 | -5.32 | |
| | Sloniewska, Agata | | | 1186 * | POL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Li, Marissa | | wc | 1986 * | USA | 0.00 | 1 | -0.08 | 38 | -3.04 | | | Kaur, Aradh | | | 1186 * | USA | 0.00 | 1 | -0.92 | 38 | -34.96 | | | Lei, Amy | | | 1808 | USA | 1.00 | 1 | 0.78 | 38 | 29.64 | | | * 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 NAYCC U12 Girls | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1415 | 1586 | 4.00 | 6 | -0.14 | 38 | -5.32 | |
| | Rachel, Zihan Wang | | | 1344 | CAN | 0.00 | 1 | -0.80 | 38 | -30.40 | | | Dania, Surya | | | 1216 | CAN | 1.00 | 1 | 0.10 | 38 | 3.80 | | | Adelynne, Yang | | | 1186 * | USA | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Felicity, Wang | | | 1490 | USA | 1.00 | 1 | 0.37 | 38 | 14.06 | | | Yesun, Lee | | | 1696 | USA | 0.00 | 1 | -0.35 | 38 | -13.30 | | | Anika, Rajaram | | wc | 1560 | USA | 1.00 | 1 | 0.46 | 38 | 17.48 | | | * 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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