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| V Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-18 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1202 | 0 | 1.50 | 4 | 0.00 | 1115 | | 0.00 | |
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 Carbajal Sotomayor, Cesar Stefano | | | 1119 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
 Callupe Matias, Obed Esteban | | | 1056 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Rojas Salas, Rihanna Irina | | | 1242 | PER | 0.50 | 1 | 0.00 | | 0.00 | |
| Pimentel Delgado, Victor Fabricio | | | 1392 | PER | 1.00 | 1 | 0.00 | | 0.00 | |
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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| VI Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-20 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1220 | 0 | 0.00 | 3 | 0.00 | 420 | | 0.00 | |
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| Ygarza Crisostomo, Antonela Abiga | | | 1271 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Uchasara Apolinario, Josue Yoni | | | 1154 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Coaquira Gonzales, Oscar Adriano | | | 1236 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
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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| IRT Clasico Festival de Ajedrez AOPIP Armagedon | Lima | PER | 2023-07-22 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1169 | 0 | 0.00 | 3 | 0.00 | 369 | | 0.00 | |
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| Montenegro Satalaya, Franko Jean | | | 1325 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Meneses Morales, Marcos Beltran | | | 1097 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Ilasaca, Gaona Paul Messi | | | 1086 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
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 de Ajedrez Impar 2023 - Sub 11 Absoluto | Lima | PER | 2023-07-24 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1078 | 0 | 3.00 | 7 | 0.00 | 1028 | | 0.00 | |
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| Prado Mendivil, Carlos Roberto | | | 1118 | PER | 1.00 | 1 | 0.00 | | 0.00 | |
| Llatas Parihuaman, Jose Maria | | | 1249 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Huaynamango, Vargas Daniel Brayan | | | 1013 | PER | 0.50 | 1 | 0.00 | | 0.00 | |
| Soria Fernandez Baca, Jesus Tomas | | | 1066 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Rodriguez Ibanez, Alejandro | | | 1013 | PER | 0.50 | 1 | 0.00 | | 0.00 | |
| Florez Vasquez, Yahel Sharif | | | 1004 | PER | 1.00 | 1 | 0.00 | | 0.00 | |
| Sanchez Negreiros, Alejandro Gust | | | 1084 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
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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