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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 |
| 1397 | 1666 | 6.00 | 8 | -0.35 | 29 | -10.15 | |
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 Villaverde Salas, Gonzalo Matias | | | 1443 | PER | 1.00 | 1 | 0.22 | 29 | 6.38 | |
 Gomez Jalixto, Matthew Yahir | | | 1266 * | PER | 1.00 | 1 | 0.08 | 29 | 2.32 | |
| Ramirez Espino, Gian Sandro | | | 1458 | PER | 0.00 | 1 | -0.77 | 29 | -22.33 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1286 | PER | 1.00 | 1 | 0.09 | 29 | 2.61 | |
| Garay Ramirez, Estefano Javier | | | 1712 | PER | 0.00 | 1 | -0.44 | 29 | -12.76 | |
| Navarro Maldonado, Monica Dayana | | | 1539 | VEN | 1.00 | 1 | 0.33 | 29 | 9.57 | |
| Callupe Matias, Obed Esteban | | | 1213 | PER | 1.00 | 1 | 0.06 | 29 | 1.74 | |
| Rojas Salas, Rihanna Irina | | | 1261 | PER | 1.00 | 1 | 0.08 | 29 | 2.32 | |
| * 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 | 1666 | 6.50 | 7 | 1.25 | 29 | 36.25 | |
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| Rojas Salas, Rihanna Irina | | | 1261 | PER | 1.00 | 1 | 0.08 | 29 | 2.32 | |
| Garay Ramirez, Estefano Javier | | | 1712 | PER | 1.00 | 1 | 0.56 | 29 | 16.24 | |
| Ramirez Mori, Angel Farid | | | 1546 | PER | 1.00 | 1 | 0.34 | 29 | 9.86 | |
| Salas Gonzales, David Ademar | | | 1514 | PER | 0.50 | 1 | -0.20 | 29 | -5.80 | |
| Callupe Matias, Obed Esteban | | | 1266 * | PER | 1.00 | 1 | 0.08 | 29 | 2.32 | |
| Ramirez Mori, Jael Eduardo | | | 1232 | PER | 1.00 | 1 | 0.06 | 29 | 1.74 | |
| Navarro Maldonado, Monica Dayana | | | 1539 | VEN | 1.00 | 1 | 0.33 | 29 | 9.57 | |
| * 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 |
| 1726 | 1666 | 4.50 | 9 | 0.53 | 29 | 15.37 | |
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| Sardon, Aragon Alejandro Ulysses | | | 1266 * | PER | 1.00 | 1 | 0.08 | 29 | 2.32 | |
| Sifuentes Alcantara, Jhony Sebas | | | 1768 | PER | 0.50 | 1 | 0.14 | 29 | 4.06 | |
| Quiroz Alva, Franco Rodrigo | | | 1956 | PER | 0.50 | 1 | 0.34 | 29 | 9.86 | |
| Aracayo Chuquija, Juan Daniel | | | 1536 | PER | 1.00 | 1 | 0.32 | 29 | 9.28 | |
| Guerrero Cajeca, Matias Israel | | | 1735 | ECU | 1.00 | 1 | 0.60 | 29 | 17.40 | |
| Cahuapaza Tarapaca, Leonardo | | | 1814 | PER | 0.00 | 1 | -0.30 | 29 | -8.70 | |
| Reyes Zavaleta, Fabian Ricardo | | | 2219 | PER | 0.00 | 1 | -0.03 | 29 | -0.87 | |
| Guzman Vera, Diego Alonso | | | 1656 | PER | 0.50 | 1 | -0.01 | 29 | -0.29 | |
| Bedia Cruz, Alexander Santiago | | | 1583 | PER | 0.00 | 1 | -0.61 | 29 | -17.69 | |
| * 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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