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| Campeonato Metropolitano Juvenil Grupo A Sub 16 Femenino | Lima | PER | 2018-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1622 | 1638 | 3.50 | 6 | 0.36 | 25 | 9.00 | |
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 Quintana, Daniela Sofia | | | 1299 | PER | 1.00 | 1 | 0.12 | 25 | 3.00 | |
| Hilario, Aleyla | | wf | 2011 | PER | 0.50 | 1 | 0.40 | 25 | 10.00 | |
 Oncoy Custodio, Shantal Tania | | | 1671 | PER | 1.00 | 1 | 0.55 | 25 | 13.75 | |
| Puppi Lazo , Stephanie Beatriz | | wf | 1839 | PER | 0.00 | 1 | -0.24 | 25 | -6.00 | |
| Santana Vilcapoma, Melyssa Ilda | | | 1425 | PER | 1.00 | 1 | 0.23 | 25 | 5.75 | |
| Celestino Pino, Alisson Nicole | | wf | 1486 | PER | 0.00 | 1 | -0.70 | 25 | -17.50 | |
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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| Campeonato Metropolitano Juvenil Grupo A Sub 14 Femenino | Lima | PER | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1638 | 3.50 | 6 | -0.85 | 25 | -21.25 | |
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| Lucas Juarez, Nohelia Juliana | | | 1238 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| Rosas Valverde, Nicolle Shesira | | | 1565 | PER | 0.00 | 1 | -0.60 | 25 | -15.00 | |
| Vergaray Ruiz, Alejandra | | | 1238 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| Garcia Andrada, Heidy Nicole | | | 1755 | PER | 0.00 | 1 | -0.34 | 25 | -8.50 | |
| Ygarza Crisostomo, Antonela Abig | | | 1238 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| Vega Paucar, Emely Bachellet | | | 1531 | PER | 0.50 | 1 | -0.15 | 25 | -3.75 | |
| * 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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| Copa Latinoamericana de Ajedrez Categoria C Juvenil | Lima | PER | 2018-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1378 | 1638 | 6.50 | 9 | -0.69 | 25 | -17.25 | |
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| Yamunaque Dominguez, Libertad Yta | | | 1238 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| Bejarano Martinez, Diego | | | 1411 | PER | 0.00 | 1 | -0.79 | 25 | -19.75 | |
| Lucas Juarez, Nohelia Juliana | | | 1238 * | PER | 0.50 | 1 | -0.42 | 25 | -10.50 | |
| Troll Jacinto, Gustavo Alonso | | | 1238 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| Huayhuas Robles, Laura Sofia | | | 1352 | PER | 0.50 | 1 | -0.34 | 25 | -8.50 | |
| Sanchez Su, Ian Rodrigo | | | 1359 | PER | 1.00 | 1 | 0.16 | 25 | 4.00 | |
| Espinoza Davila, Geraldine | | | 1450 | PER | 1.00 | 1 | 0.26 | 25 | 6.50 | |
| Vasquez Vargas, Henry Richard | | | 1545 | PER | 0.50 | 1 | -0.13 | 25 | -3.25 | |
| Varillas Jimenez, Ivan | | | 1574 | PER | 1.00 | 1 | 0.41 | 25 | 10.25 | |
| * 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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| Campeonato Nacional Juvenil 2018 Categoria Sub 14 Femenina | Lima | PER | 2018-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1638 | 5.00 | 7 | -0.33 | 25 | -8.25 | |
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| Cornejo Castellanos, Diana Helen | | | 1238 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| Ygarza Crisostomo, Antonela Abig | | | 1238 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| Puma Llerena, Maricarmen | | | 1439 | PER | 0.50 | 1 | -0.26 | 25 | -6.50 | |
| Rengifo Blancas, Jhosara | | | 1381 | PER | 1.00 | 1 | 0.18 | 25 | 4.50 | |
| Garcia Andrada, Heidy Nicole | | | 1719 | PER | 0.00 | 1 | -0.39 | 25 | -9.75 | |
| Rosas Valverde, Nicolle Shesira | | | 1565 | PER | 0.50 | 1 | -0.10 | 25 | -2.50 | |
| Flores Taboada, Leidy De America | | | 1238 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| * 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) |
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