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| II IRT Clasico - Sub 2400 Jose Idrogo Hidalgo "El Arbitro de Trujillo" | Trujillo | PER | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 2051 | 5.00 | 7 | 0.79 | 23 | 18.17 | |
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 Sanchez Negreiros, Alejandro Gust | | | 1651 * | PER | 1.00 | 1 | 0.08 | 23 | 1.84 | |
 Hutter Baun, Walter | | | 1359 | PER | 1.00 | 1 | 0.01 | 23 | 0.23 | |
| Alfaro Zambrano, Luis Fabricio | | | 1694 | PER | 1.00 | 1 | 0.11 | 23 | 2.53 | |
| Gaibor Gallardo, Gonzalo | | | 1892 | ECU | 1.00 | 1 | 0.29 | 23 | 6.67 | |
| Vasquez Vargas, Henry Richard | f | | 2124 | PER | 0.50 | 1 | 0.10 | 23 | 2.30 | |
| Delgado Romero, Marco | | | 2316 | PER | 0.50 | 1 | 0.32 | 23 | 7.36 | |
| Leiva, Gianmarco | m | | 2393 | PER | 0.00 | 1 | -0.12 | 23 | -2.76 | |
| * 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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| 7 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1670 | 2125 | 5.50 | 7 | -0.84 | 23 | -19.32 | |
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| Salas Gonzales, David Ademar | | | 1362 | PER | 0.50 | 1 | -0.50 | 23 | -11.50 | |
| Benavides Conza, Diego Angelo | | | 1586 | PER | 1.00 | 1 | 0.03 | 23 | 0.69 | |
| Rojas Salas, Rihanna Irina | | | 1725 * | PER | 1.00 | 1 | 0.08 | 23 | 1.84 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1857 | PER | 1.00 | 1 | 0.17 | 23 | 3.91 | |
| Alvarado Zamora, Albert | c | | 1983 | PER | 0.00 | 1 | -0.69 | 23 | -15.87 | |
| Ccana Minauro, Wernher Sebastian | | | 1510 | PER | 1.00 | 1 | 0.02 | 23 | 0.46 | |
| Garay Ramirez, Estefano Javier | | | 1665 | PER | 1.00 | 1 | 0.05 | 23 | 1.15 | |
| * 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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| 2 Open IRT U2400 Club Regatas Lima | Lima | PER | 2023-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 2125 | 6.50 | 7 | 0.29 | 23 | 6.67 | |
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| Figueroa Penny, Antonio Alfredo | | | 1725 * | PER | 1.00 | 1 | 0.08 | 23 | 1.84 | |
| Zevallos Cordova, Enrique Ruben O | | | 1558 | PER | 1.00 | 1 | 0.02 | 23 | 0.46 | |
| Gomez De La Torre Kusianovich, Fe | | | 1620 | PER | 1.00 | 1 | 0.04 | 23 | 0.92 | |
| Herrada, Blanco Maria Fernanda | | | 1595 | PER | 1.00 | 1 | 0.03 | 23 | 0.69 | |
| Panitz Morales, Ralph Pedro | | | 2017 | VEN | 1.00 | 1 | 0.35 | 23 | 8.05 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1857 | PER | 0.50 | 1 | -0.33 | 23 | -7.59 | |
| Bendezu Yupanqui, Albert Martin | | | 1758 | PER | 1.00 | 1 | 0.10 | 23 | 2.30 | |
| * 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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| XII Campeonato Panamericano Escolar de Ajedrez - Sub 17 Absoluto | Lima | PER | 2023-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 2125 | 7.50 | 9 | -0.41 | 23 | -9.43 | |
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| Zubieta Echalar, Eduardo | | | 1544 | BOL | 1.00 | 1 | 0.02 | 23 | 0.46 | |
| Rolandi Rodriguez, Dario | | | 1686 | MEX | 1.00 | 1 | 0.06 | 23 | 1.38 | |
| Villafuerte Mamani, Khalid Stepha | | | 1690 | PER | 1.00 | 1 | 0.06 | 23 | 1.38 | |
| Zapata Romero, Italo German | | | 1773 | PER | 0.00 | 1 | -0.89 | 23 | -20.47 | |
| Bedia Cruz, Alexander Santiago | | | 1725 * | PER | 1.00 | 1 | 0.08 | 23 | 1.84 | |
| Contreras Huaman, Fiorella | | wf | 1880 | PER | 1.00 | 1 | 0.20 | 23 | 4.60 | |
| Rumbos Garcia, Alejandro Daniel | | | 1947 | VEN | 1.00 | 1 | 0.27 | 23 | 6.21 | |
| Quiroz Alva, Franco Rodrigo | | | 1912 | PER | 1.00 | 1 | 0.23 | 23 | 5.29 | |
| Cahuapaza Tarapaca, Leonardo | | | 1685 | PER | 0.50 | 1 | -0.44 | 23 | -10.12 | |
| * 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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