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| Festival Sudamericano de la Juventud 2022 Sub 16 Femenino | Asuncion | PAR | 2022-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1776 | 5.00 | 9 | -0.79 | 16 | -12.64 | |
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 Mollo, Katherine | | | 1248 | BOL | 1.00 | 1 | 0.03 | 16 | 0.48 | |
 Collazo, Eugenia | | | 1376 * | URU | 1.00 | 1 | 0.08 | 16 | 1.28 | |
| Francisco Guecamburu, Candela Be | | wf | 2278 | ARG | 0.00 | 1 | -0.04 | 16 | -0.64 | |
| Kastanieda, Alla | | | 1526 | PER | 0.50 | 1 | -0.31 | 16 | -4.96 | |
| Sanchez Bobadilla, Valeria Belen | | | 1435 | PAR | 1.00 | 1 | 0.12 | 16 | 1.92 | |
| Vega Paucar, Emely Bachellet | | | 1781 | PER | 0.50 | 1 | 0.01 | 16 | 0.16 | |
| Montiel Caceres, Helen | | wc | 1859 | PAR | 0.00 | 1 | -0.39 | 16 | -6.24 | |
| Orbe Vivero, Maria Jose | | | 1493 | ECU | 1.00 | 1 | 0.16 | 16 | 2.56 | |
| Orbe Vivero, Veronica Priscila | | | 1813 | ECU | 0.00 | 1 | -0.45 | 16 | -7.20 | |
| * 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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| 8 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1776 | 6.00 | 8 | 0.89 | 16 | 14.24 | |
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| Rojas Salas, Rihanna Irina | | | 1376 * | PER | 1.00 | 1 | 0.08 | 16 | 1.28 | |
| Herrada, Blanco Maria Fernanda | | | 1406 | PER | 1.00 | 1 | 0.10 | 16 | 1.60 | |
| Caceres Sandoval, Eduardo | | | 1810 | PER | 1.00 | 1 | 0.55 | 16 | 8.80 | |
| Garay Ramirez, Estefano Javier | | | 1666 | PER | 0.50 | 1 | -0.15 | 16 | -2.40 | |
| Garcia Andrada, Heidy Nicole | | wf | 2048 | PER | 0.50 | 1 | 0.33 | 16 | 5.28 | |
| Carmona Carrillo, Carlos Rafael A | | | 1656 | ESP | 0.50 | 1 | -0.16 | 16 | -2.56 | |
| Bendezu Yupanqui, Albert Martin | | | 1665 | PER | 0.50 | 1 | -0.15 | 16 | -2.40 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1619 | PER | 1.00 | 1 | 0.29 | 16 | 4.64 | |
| * 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) |
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| Sudamericano Escolar 2022 Sub 15 | Ciudad del Este | PAR | 2022-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1776 | 6.50 | 7 | 0.83 | 16 | 13.28 | |
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| Fernandez Velazquez, Josias Andre | | | 1376 * | PAR | 1.00 | 1 | 0.08 | 16 | 1.28 | |
| Peiro Mayer, Melissa | | | 1392 | ARG | 1.00 | 1 | 0.09 | 16 | 1.44 | |
| Prado, Mateo Genaro | | | 1622 | ARG | 1.00 | 1 | 0.29 | 16 | 4.64 | |
| Jodorcovsky, Alejandro David | | | 1632 | PAR | 1.00 | 1 | 0.31 | 16 | 4.96 | |
| Mayeregger Gonzalez, Renata | | | 1511 | PAR | 1.00 | 1 | 0.18 | 16 | 2.88 | |
| Garay Ramirez, Estefano Javier | | | 1666 | PER | 0.50 | 1 | -0.15 | 16 | -2.40 | |
| Zhunio Guaman, Sofia | | | 1234 | ECU | 1.00 | 1 | 0.03 | 16 | 0.48 | |
| * 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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| 9 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1548 | 1776 | 4.50 | 6 | 0.13 | 16 | 2.08 | |
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| Loyola Torres, Maria Gracia | | wc | 1612 | PER | 1.00 | 1 | 0.28 | 16 | 4.48 | |
| Bendezu Yupanqui, Albert Martin | | | 1665 | PER | 0.50 | 1 | -0.15 | 16 | -2.40 | |
| Parra Cabezudo, Victor Eduardo | | | 1277 | PER | 1.00 | 1 | 0.04 | 16 | 0.64 | |
| Rojas Salas, Rihanna Irina | | | 1312 | PER | 1.00 | 1 | 0.05 | 16 | 0.80 | |
| Garcia Andrada, Heidy Nicole | | wf | 2048 | PER | 0.00 | 1 | -0.17 | 16 | -2.72 | |
| Chesa Horiuchi, Nikolas Gabriel | | | 1376 * | PER | 1.00 | 1 | 0.08 | 16 | 1.28 | |
| * 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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| 10 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1572 | 1776 | 4.50 | 7 | -0.49 | 16 | -7.84 | |
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| Lapa Cunias, Marco Antonio | | | 1463 | PER | 1.00 | 1 | 0.14 | 16 | 2.24 | |
| Reyes Zavaleta, Fabian Ricardo | | | 2020 | PER | 0.00 | 1 | -0.20 | 16 | -3.20 | |
| Herrada, Blanco Maria Fernanda | | | 1406 | PER | 1.00 | 1 | 0.10 | 16 | 1.60 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1619 | PER | 0.50 | 1 | -0.21 | 16 | -3.36 | |
| Rojas Salas, Rihanna Irina | | | 1312 | PER | 1.00 | 1 | 0.05 | 16 | 0.80 | |
| Caceres Sandoval, Eduardo | | | 1810 | PER | 0.00 | 1 | -0.45 | 16 | -7.20 | |
| Jimenez Salas, Fabiana | | | 1376 * | PER | 1.00 | 1 | 0.08 | 16 | 1.28 | |
| * 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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| 11 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1776 | 4.50 | 6 | 0.92 | 16 | 14.72 | |
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| Gomez Nunez, Fabian Elmer | | | 1376 * | PER | 1.00 | 1 | 0.08 | 16 | 1.28 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1619 | PER | 1.00 | 1 | 0.29 | 16 | 4.64 | |
| Reyes Zavaleta, Fabian Ricardo | | | 2020 | PER | 0.50 | 1 | 0.30 | 16 | 4.80 | |
| Caceres Sandoval, Eduardo | | | 1810 | PER | 0.00 | 1 | -0.45 | 16 | -7.20 | |
| Garay Ramirez, Estefano Javier | | | 1666 | PER | 1.00 | 1 | 0.35 | 16 | 5.60 | |
| Bendezu Yupanqui, Albert Martin | | | 1665 | PER | 1.00 | 1 | 0.35 | 16 | 5.60 | |
| * 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) |
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