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Individual Calculations September 2015 |
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| Natareno, Elvia Total change: -59.80 | |   |
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| Campeonato Panamericano U20 Femenino El Salvador 2015 | San Salvador | ESA | 2015-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1675 | 1.00 | 6 | -1.28 | 40 | -51.20 | |
|  Eswaran, Ashritha | | | 2075 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Castro, Venus Sabrina | | | 1556 | ESA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Gutierrez Espinosa, Karen | | wf | 2075 * | CUB | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cosme Contreras, Trilce | | | 1832 | PER | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Herrera, Marjorie | | | 1555 | ESA | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Ortez, Andrea | | wc | 1671 | ESA | 0.00 | 1 | -0.51 | 40 | -20.40 | | | * 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) | | | NOTE: K factor changed | | 2015 Susan Polgar Foundation Girls Invitational | Webster Groves, Missouri | USA | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1675 | 0.00 | 1 | -0.43 | 20 | -8.60 | |
| | Eng, Rachael | | | 1727 | USA | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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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