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| 2 Open IRT U1800 Circulo Peruano de Ajedrez | Lima | PER | 2023-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1213 | 2.50 | 8 | -0.12 | 36 | -4.32 | |
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 Salas Gonzales, David Ademar | | | 1372 | PER | 0.00 | 1 | -0.29 | 36 | -10.44 | |
 Cardenas Huachaca, Alessandro Jai | | | 1328 | PER | 0.00 | 1 | -0.34 | 36 | -12.24 | |
| Meneses Morales, Marcos Beltran | | | 1351 | PER | 1.00 | 1 | 0.69 | 36 | 24.84 | |
| Herrada, Blanco Maria Fernanda | | | 1593 | PER | 0.00 | 1 | -0.09 | 36 | -3.24 | |
| Valdez Maravi, Angel Yhadiel | | | 1234 | PER | 0.00 | 1 | -0.47 | 36 | -16.92 | |
| Cahuaya Alpes, William Rafael | | | 1227 | PER | 0.50 | 1 | 0.02 | 36 | 0.72 | |
| Castillo Vasquez, Abel Vanner | | | 1278 | PER | 1.00 | 1 | 0.59 | 36 | 21.24 | |
| De La Cruz De La Roca, Alan Rafae | | | 1420 | PER | 0.00 | 1 | -0.23 | 36 | -8.28 | |
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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| 3 Open IRT U1800 Circulo Peruano de Ajedrez | Lima | PER | 2023-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1213 | 1.00 | 7 | -0.66 | 36 | -23.76 | |
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| Ramirez Espino, Gian Sandro | | | 1458 | PER | 0.00 | 1 | -0.20 | 36 | -7.20 | |
| Rojas Salas, Rihanna Irina | | | 1261 | PER | 0.50 | 1 | 0.07 | 36 | 2.52 | |
| Navarro Maldonado, Monica Dayana | | | 1539 | VEN | 0.00 | 1 | -0.13 | 36 | -4.68 | |
| Villaverde Salas, Gonzalo Matias | | | 1443 | PER | 0.00 | 1 | -0.21 | 36 | -7.56 | |
| Gomez Jalixto, Matthew Yahir | | | 1151 | PER | 0.50 | 1 | -0.09 | 36 | -3.24 | |
| Salazar Flores, Yerick Alexander | | | 1666 | PER | 0.00 | 1 | -0.06 | 36 | -2.16 | |
| Garay Ramirez, Estefano Javier | | | 1712 | PER | 0.00 | 1 | -0.04 | 36 | -1.44 | |
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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| 4 Open IRT U1800 Circulo Peruano de Ajedrez | Lima | PER | 2023-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1213 | 1.00 | 4 | 0.63 | 36 | 22.68 | |
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| Salazar Flores, Yerick Alexander | | | 1666 | PER | 0.00 | 1 | -0.06 | 36 | -2.16 | |
| Salas Gonzales, David Ademar | | | 1514 | PER | 1.00 | 1 | 0.85 | 36 | 30.60 | |
| Garay Ramirez, Estefano Javier | | | 1712 | PER | 0.00 | 1 | -0.04 | 36 | -1.44 | |
| Ramirez Mori, Angel Farid | | | 1546 | PER | 0.00 | 1 | -0.12 | 36 | -4.32 | |
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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