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| Campeonato Regional Metropolitano Juvenil U12 Absoluto 2023 | Lima | PER | 2023-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1262 | 1066 | 2.00 | 4 | 0.93 | 40 | 37.20 | |
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 Vilca Contreras, Dante Ivan | | | 1469 | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | |
 Cahuaya Alpes, William Rafael | | | 1150 | PER | 1.00 | 1 | 0.62 | 40 | 24.80 | |
| Polo Gonzales, Leandro Joaquim | | | 1277 | PER | 0.50 | 1 | 0.27 | 40 | 10.80 | |
| Paz Neyra, Eduardo Gabriel | | | 1151 | PER | 0.50 | 1 | 0.12 | 40 | 4.80 | |
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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| Campeonato Regional Metropolitano Juvenil U14 Absoluto 2023 | Lima | PER | 2023-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1066 | 0.00 | 2 | -0.35 | 40 | -14.00 | |
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| Cuya Zevallos, Andrew Francisco | | | 1798 | PER | 0.00 | 1 | -0.01 | 40 | -0.40 | |
| Sanchez Sanchez, Leonardo Daniel | | | 1182 | PER | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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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| CAMPEONATO NACIONAL JUVENIL AJEDREZ PERUANO 2023 Sub 12 Absoluto | Lima | PER | 2023-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1066 | 5.00 | 8 | 3.67 | 40 | 146.80 | |
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| Ripa Quintana, Hermogenes Juan | | | 1295 | PER | 1.00 | 1 | 0.79 | 40 | 31.60 | |
| Navarro Costa, Alejandro Mauricio | | | 1270 | PER | 0.50 | 1 | 0.26 | 40 | 10.40 | |
| Palomino Quispe, Mateo Henry | | | 1350 | PER | 1.00 | 1 | 0.84 | 40 | 33.60 | |
| Atarama Tezen, Sebastian Alexis | | | 1394 | PER | 1.00 | 1 | 0.87 | 40 | 34.80 | |
| Vilca Contreras, Dante Ivan | | | 1469 | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | |
| Bernardo Ambrosio, Rodrigo Sebast | | | 1306 | PER | 0.50 | 1 | 0.30 | 40 | 12.00 | |
| Ccana Minauro, Reiben Andre | | | 1337 | PER | 1.00 | 1 | 0.83 | 40 | 33.20 | |
| Vasquez Lopez, Josue Gabriel | | | 1379 | PER | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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 |
| 1548 | 1066 | 0.00 | 3 | -0.18 | 40 | -7.20 | |
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| Gonzalez Viana, Angel Yosuet | | | 1594 | VEN | 0.00 | 1 | -0.03 | 40 | -1.20 | |
| Maravi Ceron, Ayme | | | 1388 | PER | 0.00 | 1 | -0.13 | 40 | -5.20 | |
| Auguiste, Lyndon | | | 1661 | DMA | 0.00 | 1 | -0.02 | 40 | -0.80 | |
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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