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| Campeonato Regional Metropolitano Juvenil U14 Absoluto 2023 | Lima | PER | 2023-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1295 | 1368 | 2.50 | 4 | 0.08 | 40 | 3.20 | |
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 Reyes Zavaleta, Cristhian Yamil | | | 1682 | PER | 0.00 | 1 | -0.14 | 40 | -5.60 | |
 Ortiz Mallma, Fabian Ivan | | | 1184 | PER | 1.00 | 1 | 0.26 | 40 | 10.40 | |
| Wochiny Reyes, Joaquin Alessandro | | | 1132 | PER | 0.50 | 1 | -0.30 | 40 | -12.00 | |
| Sanchez Sanchez, Leonardo Daniel | | | 1182 | PER | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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 JUVENIL AJEDREZ PERUANO 2023 Sub 14 Absoluto | Lima | PER | 2023-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1222 | 1368 | 3.50 | 8 | -2.02 | 40 | -80.80 | |
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| Ramos Arevalo, David Angel | | | 1179 | PER | 1.00 | 1 | 0.25 | 40 | 10.00 | |
| Alfaro Zambrano, Luis Fabricio | | | 1688 | PER | 0.00 | 1 | -0.13 | 40 | -5.20 | |
| Iman Terry, Aldo Luis Fabiano | | | 1139 | PER | 0.00 | 1 | -0.79 | 40 | -31.60 | |
| Mendoza Rivas, Edgar Javier | | | 1093 | PER | 1.00 | 1 | 0.17 | 40 | 6.80 | |
| Ortiz Mallma, Fabian Ivan | | | 1184 | PER | 0.50 | 1 | -0.24 | 40 | -9.60 | |
| Sanchez Sanchez, Leonardo Daniel | | | 1182 | PER | 1.00 | 1 | 0.26 | 40 | 10.40 | |
| Chavez Bautista, Lennin Alfredo | | | 1221 | PER | 0.00 | 1 | -0.70 | 40 | -28.00 | |
| Villaverde Salas, Gonzalo Matias | | | 1086 | PER | 0.00 | 1 | -0.84 | 40 | -33.60 | |
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 Hibrido Centroamericano, del Caribe y del Pacifico 2023 | Panama - Chiriqui - Herrera - Caracas - Lima - La Habana - Cochabamba - Roseau - George Town | PAN | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1396 | 2.50 | 5 | 1.29 | 40 | 51.60 | |
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| Echeto Hernandez, Samuel Elias | | | 1783 | VEN | 1.00 | 1 | 0.91 | 40 | 36.40 | |
| Tapia Espada, Antonio Enrique | | | 1694 | BOL | 0.00 | 1 | -0.15 | 40 | -6.00 | |
| Okuno, Rion | | | 1890 | PAN | 0.00 | 1 | -0.04 | 40 | -1.60 | |
| Neyra Alba, Daniela Sofia | | | 1199 | PER | 1.00 | 1 | 0.25 | 40 | 10.00 | |
| Sanjur Ruiz, Crescencio De Los Re | | | 1660 | PAN | 0.50 | 1 | 0.32 | 40 | 12.80 | |
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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