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Individual Calculations September 2019 |
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| Surya, Dania Total change: 73.20 | |   |
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| Panamericano de la Juventud 2019 sub 12 femenino | Guayaquil | ECU | 2019-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1445 | 1199 | 2.50 | 5 | 1.43 | 40 | 57.20 | |
|  Velea, Stephanie | | wc | 1599 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Vasquez Vasquez, Marielos | | wc | 1550 | ESA | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Hernandez, Sofia | | wc | 1423 | ESA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Oporto Vargas, Estefany Adriana | | | 1343 | PER | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Suarez Gutierrez, Camila | | | 1311 | BOL | 0.50 | 1 | 0.15 | 40 | 6.00 | | | * 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 NAYCC U12 Girls | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1410 | 1216 | 2.00 | 6 | 0.40 | 40 | 16.00 | |
| | Felicity, Wang | | | 1490 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Sofia, Isavelina Tec Rodas | | | 1163 | MEX | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Omya, Vidyarthi | | wc | 1586 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Celina, Zhou | | | 1446 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Ramya, Elangovan | | | 1432 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Angela, Chen | | | 1341 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | |
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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