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| 7 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1369 | 1758 | 4.50 | 7 | -1.81 | 28 | -50.68 | |
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 Castillo Vasquez, Abel Vanner | | | 1306 | PER | 0.50 | 1 | -0.44 | 28 | -12.32 | |
 Meneses Morales, Marcos Beltran | | | 1400 | PER | 1.00 | 1 | 0.10 | 28 | 2.80 | |
| Salas Gonzales, David Ademar | | | 1362 | PER | 0.50 | 1 | -0.42 | 28 | -11.76 | |
| Bejarano Martinez, Diego | | | 1470 | PER | 0.00 | 1 | -0.84 | 28 | -23.52 | |
| Carbajal Sotomayor, Cesar Stefano | | | 1358 * | PER | 1.00 | 1 | 0.08 | 28 | 2.24 | |
| Suarez Chavez, Alejandro | | | 1180 | PER | 0.50 | 1 | -0.48 | 28 | -13.44 | |
| Ccana Minauro, Wernher Sebastian | | | 1510 | PER | 1.00 | 1 | 0.19 | 28 | 5.32 | |
| * 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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| 2 Open IRT U2400 Club Regatas Lima | Lima | PER | 2023-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1758 | 5.00 | 7 | 0.79 | 28 | 22.12 | |
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| Ramirez Mori, Jael Eduardo | | | 1358 * | PER | 1.00 | 1 | 0.08 | 28 | 2.24 | |
| Ccana Minauro, Reiben Andre | | | 1347 | PER | 0.50 | 1 | -0.42 | 28 | -11.76 | |
| Salazar Flores, Yerick Alexander | | | 1716 | PER | 0.50 | 1 | -0.06 | 28 | -1.68 | |
| Ccana Minauro, Wernher Sebastian | | | 1510 | PER | 1.00 | 1 | 0.19 | 28 | 5.32 | |
| Herrada, Blanco Maria Fernanda | | | 1595 | PER | 1.00 | 1 | 0.28 | 28 | 7.84 | |
| Panitz Morales, Ralph Pedro | | | 2017 | VEN | 1.00 | 1 | 0.82 | 28 | 22.96 | |
| Reyes Zavaleta, Fabian Ricardo | | | 2125 | PER | 0.00 | 1 | -0.10 | 28 | -2.80 | |
| * 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 IRT Clasico "Colegio Newton" - Sub 1800 | Lima | PER | 2023-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1758 | 1.00 | 2 | -0.74 | 28 | -20.72 | |
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| Velasquez Cardenas, Jesus Alejand | | | 1358 * | PER | 1.00 | 1 | 0.08 | 28 | 2.24 | |
| Huaynate Gonzales, Estefano Andre | | | 1493 | PER | 0.00 | 1 | -0.82 | 28 | -22.96 | |
| * 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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| XII Campeonato Panamericano Escolar de Ajedrez - Sub 15 Absoluto | Lima | PER | 2023-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1535 | 1758 | 5.50 | 9 | -1.16 | 28 | -32.48 | |
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| Gelacio Mego, Zahir Roberto | | | 1276 | PER | 0.00 | 1 | -0.95 | 28 | -26.60 | |
| Vasquez Uribe, Alessandro Jose | | | 1358 * | PER | 1.00 | 1 | 0.08 | 28 | 2.24 | |
| Apaza Valdivia, Alan Benjamin | | | 1336 | PER | 1.00 | 1 | 0.07 | 28 | 1.96 | |
| Ramirez Espino, Alessandro | | | 1498 | PER | 0.50 | 1 | -0.32 | 28 | -8.96 | |
| Sanchez Soba, Omar Jose | | | 1466 | COL | 1.00 | 1 | 0.15 | 28 | 4.20 | |
| Fernandez Ocana, Leonardo Felix | | | 1581 | PER | 1.00 | 1 | 0.27 | 28 | 7.56 | |
| Ilasaca Gaona, Owen Hisahito | | | 1690 | PER | 1.00 | 1 | 0.41 | 28 | 11.48 | |
| Vilcapoma Pacheco, Gabriel | | | 1748 | PER | 0.00 | 1 | -0.51 | 28 | -14.28 | |
| Zaragoza Alanis, Miguel Arnulfo | | | 1862 | MEX | 0.00 | 1 | -0.36 | 28 | -10.08 | |
| * 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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