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| Campeonato Regional Metropolitano Juvenil U16 Absoluto 2023 | Lima | PER | 2023-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1405 | 1456 | 4.50 | 6 | 1.04 | 40 | 41.60 | |
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 Cuchula Alvarado, Roger Gabriel N | | | 1056 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
 Bedia Cruz, Alexander Santiago | | | 1234 | PER | 1.00 | 1 | 0.22 | 40 | 8.80 | |
| Caceres Sandoval, Eduardo | | | 1934 | PER | 0.00 | 1 | -0.05 | 40 | -2.00 | |
| Ortiz Mallma, Fabian Ivan | | | 1184 | PER | 1.00 | 1 | 0.17 | 40 | 6.80 | |
| Pariona Palomino, Miguel Angel | | | 1325 | PER | 0.50 | 1 | -0.18 | 40 | -7.20 | |
| Robles Cerron, Sebastian | | | 1696 | PER | 1.00 | 1 | 0.80 | 40 | 32.00 | |
| * 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 Regional Metropolitano Juvenil U18 Absoluto 2023 | Lima | PER | 2023-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1456 | 2.50 | 4 | 0.10 | 40 | 4.00 | |
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| Benavides Conza, Diego Angelo | | | 1605 | PER | 0.00 | 1 | -0.30 | 40 | -12.00 | |
| Lindo Miranda, Manuel Alberto | | | 1056 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
| Flores, Quispe Carlos | | | 1473 | PER | 1.00 | 1 | 0.52 | 40 | 20.80 | |
| Montenegro Satalaya, Franko Jean | | | 1304 | PER | 0.50 | 1 | -0.20 | 40 | -8.00 | |
| * 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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| I Open Internacional Master Chess Peru | Lima | PER | 2023-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1456 | 3.50 | 7 | 1.31 | 40 | 52.40 | |
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| Zambrana, Osvaldo | g | | 2406 | BOL | 0.00 | 1 | 0.00 | 40 | 0.00 | |
| Valdivia Arrieta, Thiago Anibal | | | 1056 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
| Vasquez Vargas, Henry Richard | f | | 2158 | PER | 0.00 | 1 | -0.01 | 40 | -0.40 | |
| Ninahuanca Salazar, Ana Lucia | | | 1206 | PER | 1.00 | 1 | 0.19 | 40 | 7.60 | |
| Cahuapaza Tarapaca, Leonardo | | | 1790 | PER | 1.00 | 1 | 0.88 | 40 | 35.20 | |
| Cuya Zevallos, Andrew Francisco | | | 1798 | PER | 0.00 | 1 | -0.12 | 40 | -4.80 | |
| Alfaro Zambrano, Luis Fabricio | | | 1688 | PER | 0.50 | 1 | 0.29 | 40 | 11.60 | |
| * 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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