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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 |
| 1479 | 1362 | 4.00 | 7 | 1.07 | 31 | 33.17 | |
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 Reyes Zavaleta, Fabian Ricardo | | | 2125 | PER | 0.50 | 1 | 0.50 | 31 | 15.50 | |
 Castillo Vasquez, Abel Vanner | | | 1306 | PER | 1.00 | 1 | 0.42 | 31 | 13.02 | |
| Bendezu Yupanqui, Albert Martin | | | 1758 | PER | 0.50 | 1 | 0.42 | 31 | 13.02 | |
| Ccana Minauro, Wernher Sebastian | | | 1510 | PER | 0.00 | 1 | -0.30 | 31 | -9.30 | |
| Mayo, Zevallos Salvador Andres | | | 1077 | PER | 1.00 | 1 | 0.16 | 31 | 4.96 | |
| Ramirez Mori, Angel Farid | | | 1572 | PER | 0.50 | 1 | 0.27 | 31 | 8.37 | |
| Ramirez Mori, Jael Eduardo | | | 1003 | PER | 0.50 | 1 | -0.40 | 31 | -12.40 | |
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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| IRT Clasico Sub 1800 Octubre Armagedon | Lima | PER | 2023-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1425 | 1362 | 2.00 | 6 | -0.48 | 31 | -14.88 | |
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| Roman Robles, Nicolas Alexander | | | 1446 | PER | 0.00 | 1 | -0.38 | 31 | -11.78 | |
| Meneses Morales, Marcos Beltran | | | 1400 | PER | 0.00 | 1 | -0.45 | 31 | -13.95 | |
| Trujillo Leon, Enrique Alipio | | | 1428 | PER | 0.00 | 1 | -0.41 | 31 | -12.71 | |
| Roman Robles, Nicolas Alexander | | | 1446 | PER | 1.00 | 1 | 0.62 | 31 | 19.22 | |
| Meneses Morales, Marcos Beltran | | | 1400 | PER | 1.00 | 1 | 0.55 | 31 | 17.05 | |
| Trujillo Leon, Enrique Alipio | | | 1428 | PER | 0.00 | 1 | -0.41 | 31 | -12.71 | |
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 13 Absoluto | Lima | PER | 2023-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1362 | 4.50 | 9 | -0.26 | 31 | -8.06 | |
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| Anchelia Anchivilca, Gabriel Jesu | | | 1017 | PER | 1.00 | 1 | 0.11 | 31 | 3.41 | |
| Delgado Alarcon, Julian Rafael | | | 1193 | ECU | 1.00 | 1 | 0.28 | 31 | 8.68 | |
| Janampa Javier, Jhonatan David | | | 1560 | PER | 0.00 | 1 | -0.24 | 31 | -7.44 | |
| Espiritu, Laureano Pier Davide | | | 1179 | PER | 1.00 | 1 | 0.26 | 31 | 8.06 | |
| Sozoranga Barahona, Jordy Alexand | | | 1512 | ECU | 1.00 | 1 | 0.70 | 31 | 21.70 | |
| Sanchez Sanchez, Leonardo Daniel | | | 1411 | PER | 0.50 | 1 | 0.07 | 31 | 2.17 | |
| Jimenez Espinola, Herles Hazael | | | 1318 | PER | 0.00 | 1 | -0.56 | 31 | -17.36 | |
| Wang, Aaron | | | 1621 | USA | 0.00 | 1 | -0.18 | 31 | -5.58 | |
| Valdez Maravi, Angel Yhadiel | | | 1209 | PER | 0.00 | 1 | -0.70 | 31 | -21.70 | |
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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