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| 2 Open IRT U1800 Circulo Peruano de Ajedrez | Lima | PER | 2023-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1465 | 1712 | 5.50 | 9 | -1.56 | 21 | -32.76 | |
|
 Cardenas Huachaca, Alessandro Jai | | | 1328 | PER | 1.00 | 1 | 0.09 | 21 | 1.89 | |
 Salas Gonzales, David Ademar | | | 1372 | PER | 0.50 | 1 | -0.38 | 21 | -7.98 | |
| Ramirez Mori, Angel Farid | | | 1530 | PER | 0.50 | 1 | -0.24 | 21 | -5.04 | |
| Herrada, Blanco Maria Fernanda | | | 1593 | PER | 1.00 | 1 | 0.34 | 21 | 7.14 | |
| Bendezu Yupanqui, Albert Martin | | | 1676 | PER | 0.00 | 1 | -0.55 | 21 | -11.55 | |
| Rayme, Angulo Andres Joaquin | | | 1359 | PER | 1.00 | 1 | 0.11 | 21 | 2.31 | |
| De La Cruz De La Roca, Alan Rafae | | | 1420 | PER | 0.00 | 1 | -0.85 | 21 | -17.85 | |
| Valdez Maravi, Angel Yhadiel | | | 1312 * | PER | 1.00 | 1 | 0.08 | 21 | 1.68 | |
| Lapa Cunias, Marco Antonio | | | 1594 | PER | 0.50 | 1 | -0.16 | 21 | -3.36 | |
| * 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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| 3 Open IRT U1800 Circulo Peruano de Ajedrez | Lima | PER | 2023-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1400 | 1712 | 7.00 | 8 | 0.33 | 21 | 6.93 | |
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| Villaverde Salas, Gonzalo Matias | | | 1443 | PER | 1.00 | 1 | 0.17 | 21 | 3.57 | |
| Navarro Maldonado, Monica Dayana | | | 1539 | VEN | 1.00 | 1 | 0.27 | 21 | 5.67 | |
| Ramirez Espino, Gian Sandro | | | 1458 | PER | 0.50 | 1 | -0.31 | 21 | -6.51 | |
| Salazar Flores, Yerick Alexander | | | 1666 | PER | 1.00 | 1 | 0.44 | 21 | 9.24 | |
| Rojas Salas, Rihanna Irina | | | 1261 | PER | 1.00 | 1 | 0.06 | 21 | 1.26 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1286 | PER | 0.50 | 1 | -0.43 | 21 | -9.03 | |
| Callupe Matias, Obed Esteban | | | 1312 * | PER | 1.00 | 1 | 0.08 | 21 | 1.68 | |
| Uchasara Apolinario, Josue Yoni | | | 1235 | PER | 1.00 | 1 | 0.05 | 21 | 1.05 | |
| * 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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| 4 Open IRT U1800 Circulo Peruano de Ajedrez | Lima | PER | 2023-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1439 | 1712 | 5.00 | 7 | -0.58 | 21 | -12.18 | |
|
| Salas Gonzales, David Ademar | | | 1514 | PER | 1.00 | 1 | 0.24 | 21 | 5.04 | |
| Salazar Flores, Yerick Alexander | | | 1666 | PER | 0.00 | 1 | -0.56 | 21 | -11.76 | |
| Navarro Maldonado, Monica Dayana | | | 1539 | VEN | 1.00 | 1 | 0.27 | 21 | 5.67 | |
| Ramirez Mori, Angel Farid | | | 1546 | PER | 0.50 | 1 | -0.22 | 21 | -4.62 | |
| Rojas Salas, Rihanna Irina | | | 1261 | PER | 0.50 | 1 | -0.44 | 21 | -9.24 | |
| Callupe Matias, Obed Esteban | | | 1312 * | PER | 1.00 | 1 | 0.08 | 21 | 1.68 | |
| Ramirez Mori, Jael Eduardo | | | 1232 | PER | 1.00 | 1 | 0.05 | 21 | 1.05 | |
| * 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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| IV Campeonato Sudamericano Escolar de Ajedrez 2023 - Sub 17 Absoluto | Lima | PER | 2023-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1467 | 1712 | 3.50 | 8 | -2.78 | 21 | -58.38 | |
|
| Ynga Cisneros, Gabriel Ernesto | | | 1264 | PER | 0.50 | 1 | -0.44 | 21 | -9.24 | |
| Aracayo Chuquija, Juan Daniel | | | 1536 | PER | 0.00 | 1 | -0.73 | 21 | -15.33 | |
| Garcia De La Rosa, Daniel Vladimi | | | 1415 | ECU | 0.00 | 1 | -0.85 | 21 | -17.85 | |
| Cabrera Quispe, Piero Andre | | | 1618 | PER | 0.00 | 1 | -0.63 | 21 | -13.23 | |
| Cuya Huapaya, Joseph Alexis | | | 1505 | PER | 1.00 | 1 | 0.23 | 21 | 4.83 | |
| Castro Velasco, Carlos Andres | | | 1500 | BOL | 1.00 | 1 | 0.23 | 21 | 4.83 | |
| Bedia Cruz, Alexander Santiago | | | 1583 | PER | 0.00 | 1 | -0.67 | 21 | -14.07 | |
| Sardon, Aragon Alejandro Ulysses | | | 1312 * | PER | 1.00 | 1 | 0.08 | 21 | 1.68 | |
| * 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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