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| 4 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1613 | 1810 | 5.50 | 7 | 0.59 | 25 | 14.75 | |
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 Bernal Alva, Rodrigo | | | 1410 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
 Salas Gonzales, David Ademar | | | 1434 | PER | 1.00 | 1 | 0.09 | 25 | 2.25 | |
| Acuna Alarcon, Claudia Micaela | | | 1515 | PER | 1.00 | 1 | 0.15 | 25 | 3.75 | |
| Jimenez Salas, Maria Teresa | | wf | 1894 | PER | 0.50 | 1 | 0.12 | 25 | 3.00 | |
| Bendezu Yupanqui, Albert Martin | | | 1678 | PER | 1.00 | 1 | 0.32 | 25 | 8.00 | |
| Reyes Zavaleta, Fabian Ricardo | | | 2026 | PER | 0.00 | 1 | -0.22 | 25 | -5.50 | |
| De La Cruz De La Roca, Alan Rafae | | | 1335 | PER | 1.00 | 1 | 0.05 | 25 | 1.25 | |
| * 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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| V Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1810 | 3.00 | 6 | -1.39 | 25 | -34.75 | |
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| Quevedo Perales, Aaron Wilfredo | | | 1522 | PER | 0.50 | 1 | -0.34 | 25 | -8.50 | |
| Garcia Andrada, Heidy Nicole | | wf | 1830 | PER | 0.50 | 1 | 0.03 | 25 | 0.75 | |
| Herrada, Blanco Maria Fernanda | | | 1566 | PER | 0.50 | 1 | -0.30 | 25 | -7.50 | |
| Garay Ramirez, Patrick Yosue | | | 1410 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| Caja Cruz, Gabriel | | | 1856 | PER | 0.00 | 1 | -0.44 | 25 | -11.00 | |
| Stuart Llanos, Alejandro Jose | | | 1406 | PER | 0.50 | 1 | -0.42 | 25 | -10.50 | |
| * 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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| VI Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1483 | 1810 | 4.50 | 6 | -0.36 | 25 | -9.00 | |
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| Uchasara Apolinario, Josue Yoni | | | 1410 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| Ygarza Crisostomo, Antonela Abiga | | | 1271 | PER | 1.00 | 1 | 0.03 | 25 | 0.75 | |
| Astoyauri De La Cruz, Fernando Is | | | 1513 | PER | 1.00 | 1 | 0.15 | 25 | 3.75 | |
| Ramirez Mori, Angel Farid | | | 1384 | PER | 0.50 | 1 | -0.43 | 25 | -10.75 | |
| Reyes Zavaleta, Fabian Ricardo | | | 2026 | PER | 0.00 | 1 | -0.22 | 25 | -5.50 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1291 | PER | 1.00 | 1 | 0.03 | 25 | 0.75 | |
| * 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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| Campeonato Nacional de Ajedrez Impar 2023 - Sub 13 Absoluto | Lima | PER | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1810 | 8.00 | 9 | -0.43 | 25 | -10.75 | |
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| Pasache Bermeo, Leonardo Roldan | | | 1410 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | |
| Villaverde Salas, Gonzalo Matias | | | 1238 | PER | 1.00 | 1 | 0.02 | 25 | 0.50 | |
| Polo Gonzales, Leandro Joaquim | | | 1291 | PER | 1.00 | 1 | 0.03 | 25 | 0.75 | |
| Barrantes Cueva, Mateo Josue | | | 1308 | PER | 1.00 | 1 | 0.04 | 25 | 1.00 | |
| Janampa Javier, Jhonatan David | | | 1467 | PER | 1.00 | 1 | 0.12 | 25 | 3.00 | |
| Solorzano Roncal, Ezzio Jose | | | 1376 | PER | 0.50 | 1 | -0.44 | 25 | -11.00 | |
| Robles Cucho, Argen Stefano | | | 1208 | PER | 0.50 | 1 | -0.48 | 25 | -12.00 | |
| Renteria Torres, Luis Fabian | | | 1271 | PER | 1.00 | 1 | 0.03 | 25 | 0.75 | |
| Vasquez Florez, Yoshua Marcelo | | | 1532 | PER | 1.00 | 1 | 0.17 | 25 | 4.25 | |
| * 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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