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| 4 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1432 | 3.00 | 6 | -0.26 | 38 | -9.88 | |
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 Jimenez Salas, Maria Teresa | | wf | 1894 | PER | 0.00 | 1 | -0.05 | 38 | -1.90 | |
 Bocanegra Reyes, Thiago Stephano | | | 1038 | PER | 1.00 | 1 | 0.08 | 38 | 3.04 | |
| Munoz Aguilera, Edward Godfred | | | 1195 | PER | 0.50 | 1 | -0.30 | 38 | -11.40 | |
| Ccerhuayo Escobedo, Mels Leopold | | | 1902 | PER | 0.50 | 1 | 0.45 | 38 | 17.10 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1291 | PER | 0.50 | 1 | -0.19 | 38 | -7.22 | |
| Coaquira Gonzales, Oscar Adriano | | | 1236 | PER | 0.50 | 1 | -0.25 | 38 | -9.50 | |
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 | K | K*chg | Game |
| 1564 | 1379 | 1.00 | 4 | -0.17 | 38 | -6.46 | |
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| Suarez Aybar, Miguel Angel | | | 1633 | PER | 0.50 | 1 | 0.31 | 38 | 11.78 | |
| Salazar Flores, Yerick Alexander | | | 1682 | PER | 0.00 | 1 | -0.14 | 38 | -5.32 | |
| Ochochoque Hernandez, Julio | | | 1755 | PER | 0.00 | 1 | -0.09 | 38 | -3.42 | |
| Rayme, Angulo Andres Joaquin | | | 1184 | PER | 0.50 | 1 | -0.25 | 38 | -9.50 | |
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 15 Absoluto | Lima | PER | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1307 | 1379 | 4.50 | 8 | -0.34 | 38 | -12.92 | |
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| Rojas Linares, Nicolas Gabriel | | | 1797 | PER | 0.50 | 1 | 0.43 | 38 | 16.34 | |
| Vilcapoma Pacheco, Gabriel | | | 1603 | PER | 0.00 | 1 | -0.22 | 38 | -8.36 | |
| Zaldivar Perez, Edu Fabian | | | 1177 | PER | 1.00 | 1 | 0.24 | 38 | 9.12 | |
| Acosta Vera, Yerans Vincent | | | 1126 | PER | 0.00 | 1 | -0.81 | 38 | -30.78 | |
| Mamani Garrote, Yahel Andre | | | 1147 | PER | 1.00 | 1 | 0.21 | 38 | 7.98 | |
| Anticona Bocanegra, Fabrizio Aaro | | | 1224 | PER | 0.50 | 1 | -0.21 | 38 | -7.98 | |
| Apaza Valdivia, Alan Benjamin | | | 1200 | PER | 0.50 | 1 | -0.23 | 38 | -8.74 | |
| Fabian Perez, Josue Daniel | | | 1184 | PER | 1.00 | 1 | 0.25 | 38 | 9.50 | |
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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