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| XIV Festival Internacional de Ajedrez Claretiano 2023 Sub - 16 | Lima | PER | 2023-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1322 | 1068 | 2.00 | 6 | 0.75 | 36 | 27.00 | |
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 Zapata Romero, Italo German | | | 1585 | PER | 0.00 | 1 | -0.04 | 36 | -1.44 | |
 Orihuela Barreda, Alondra | | | 1269 | PER | 0.50 | 1 | 0.26 | 36 | 9.36 | |
| Hurunaga Gutierrez, Massimo Adam | | | 1222 | PER | 1.00 | 1 | 0.71 | 36 | 25.56 | |
| Jimenez Espinola, Herles Hazael | | | 1338 | PER | 0.00 | 1 | -0.17 | 36 | -6.12 | |
| Ortiz Mallma, Fabian Ivan | | | 1277 | PER | 0.50 | 1 | 0.27 | 36 | 9.72 | |
| Villaverde Salas, Gonzalo Matias | | | 1238 | PER | 0.00 | 1 | -0.28 | 36 | -10.08 | |
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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| XXXIII Pan-American Youth Chess Festival - Under 14 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1541 | 1252 | 2.50 | 8 | 1.01 | 36 | 36.36 | |
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| Miranda Fernandez, Marcos Manuel | | | 1802 | PAR | 0.00 | 1 | -0.03 | 36 | -1.08 | |
| Perez Tangarife, Simon | | | 1522 | COL | 0.50 | 1 | 0.33 | 36 | 11.88 | |
| Diaz Bermudez, Pedro Teofilo | | | 1470 | PER | 1.00 | 1 | 0.78 | 36 | 28.08 | |
| Lopez Fuentes, Wilberth Sebastia | | | 1455 | MEX | 0.00 | 1 | -0.24 | 36 | -8.64 | |
| Monroy Lopez, Gustavo Adolfo | | | 1551 | GUA | 1.00 | 1 | 0.85 | 36 | 30.60 | |
| Boydell, Oliver | | | 1570 | USA | 0.00 | 1 | -0.13 | 36 | -4.68 | |
| Martinez Lavin Mora, Luca | | | 1257 | MEX | 0.00 | 1 | -0.49 | 36 | -17.64 | |
| Merida Ceballos, Sebastian | | | 1697 | VEN | 0.00 | 1 | -0.06 | 36 | -2.16 | |
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 Regional de Ajedrez Metropolitano Impar Sub 13 Absoluto | Lima | PER | 2023-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1250 | 1252 | 3.50 | 5 | 0.99 | 36 | 35.64 | |
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| Salas Gonzales, David Ademar | | | 1356 | PER | 0.50 | 1 | 0.14 | 36 | 5.04 | |
| Rayme, Angulo Andres Joaquin | | | 1238 | PER | 0.00 | 1 | -0.52 | 36 | -18.72 | |
| Wochiny Reyes, Joaquin Alessandro | | | 1227 | PER | 1.00 | 1 | 0.47 | 36 | 16.92 | |
| Poma Bernal, Cristian Andres | | | 1278 | PER | 1.00 | 1 | 0.54 | 36 | 19.44 | |
| Flower Nivin, Cesar Antonio Joaqu | | | 1149 | PER | 1.00 | 1 | 0.36 | 36 | 12.96 | |
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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