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| Festival Sudamericano de la Juventud 2022 Sub 12 Absoluto | Asuncion | PAR | 2022-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1421 | 1231 | 3.00 | 8 | 0.53 | 18 | 9.54 | |
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 Negron Lizarazo, Juan Sebastian | c | | 1706 | COL | 0.50 | 1 | 0.45 | 18 | 8.10 | |
 Rueda Rojas, Richard Alejandro | | | 1819 | COL | 0.00 | 1 | -0.02 | 18 | -0.36 | |
| Caballero, Tabare | | | 1326 | URU | 0.50 | 1 | 0.13 | 18 | 2.34 | |
| Callupe Matias, Obed Esteban | | | 1068 | PER | 1.00 | 1 | 0.28 | 18 | 5.04 | |
| Perez Rojas, Felipe | | | 1385 | CHI | 1.00 | 1 | 0.71 | 18 | 12.78 | |
| Alarcon Vega, Icker Aldair | | | 1469 | ECU | 0.00 | 1 | -0.20 | 18 | -3.60 | |
| Baez Gonzalez, Fabrizio Ismael | | | 1385 | PAR | 0.00 | 1 | -0.29 | 18 | -5.22 | |
| Mendoza Montesdeoca, Josue Alejan | | | 1212 | ECU | 0.00 | 1 | -0.53 | 18 | -9.54 | |
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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| 8 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1503 | 1231 | 1.50 | 4 | 0.60 | 18 | 10.80 | |
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| Reyes Zavaleta, Diego Alexander | | | 1839 | PER | 0.00 | 1 | -0.02 | 18 | -0.36 | |
| Mollo Figueroa, Nicole | | | 1456 | BOL | 0.50 | 1 | 0.28 | 18 | 5.04 | |
| Herrada, Blanco Maria Fernanda | | | 1406 | PER | 0.00 | 1 | -0.27 | 18 | -4.86 | |
| Rojas Salas, Rihanna Irina | | | 1312 | PER | 1.00 | 1 | 0.61 | 18 | 10.98 | |
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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| Sudamericano Escolar 2022 Sub 11 | Ciudad del Este | PAR | 2022-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1300 | 1231 | 2.00 | 4 | 0.26 | 18 | 4.68 | |
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| Calcada, Lucas Galvan | | | 1623 | BRA | 0.00 | 1 | -0.08 | 18 | -1.44 | |
| De Sousa, Ezequiel Leandro | | | 1146 | ARG | 1.00 | 1 | 0.38 | 18 | 6.84 | |
| Casqui Lopez, Pamela Grace | | | 1206 | PER | 0.00 | 1 | -0.53 | 18 | -9.54 | |
| Lugo Martinez, Jimena Sofia | | | 1225 | PAR | 1.00 | 1 | 0.49 | 18 | 8.82 | |
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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| 9 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 1231 | 0.00 | 2 | -0.11 | 18 | -1.98 | |
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| Reyes Zavaleta, Fabian Ricardo | | | 2020 | PER | 0.00 | 1 | 0.00 | 18 | 0.00 | |
| Baca Olazaval, Ximena | | | 1579 | PER | 0.00 | 1 | -0.11 | 18 | -1.98 | |
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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| XVII Campeonato Sudamericano Sub-20 Absoluto | Santa Cruz, Bolivia | BOL | 2022-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1231 | 2.00 | 7 | 0.94 | 18 | 16.92 | |
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| Reyes Zavaleta, Diego Alexander | | | 1839 | PER | 0.00 | 1 | -0.02 | 18 | -0.36 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1619 | PER | 0.00 | 1 | -0.09 | 18 | -1.62 | |
| Romero Villarroel, Rodrigo Ever | | | 1606 | BOL | 0.00 | 1 | -0.09 | 18 | -1.62 | |
| Cahuapaza Tarapaca, Leonardo | | | 1729 | PER | 0.00 | 1 | -0.04 | 18 | -0.72 | |
| Alvarez Orellana, Isai Jeremi | | | 1335 | BOL | 1.00 | 1 | 0.64 | 18 | 11.52 | |
| Caceres Benitez, Fernando Israel | | | 1667 | PAR | 0.50 | 1 | 0.44 | 18 | 7.92 | |
| Mollo Serrudo, Jose David | | | 1305 | BOL | 0.50 | 1 | 0.10 | 18 | 1.80 | |
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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| 10 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1232 | 1231 | 2.50 | 7 | -1.02 | 18 | -18.36 | |
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| Callupe Matias, Obed Esteban | | | 1068 | PER | 1.00 | 1 | 0.28 | 18 | 5.04 | |
| Rojas Salas, Rihanna Irina | | | 1312 | PER | 0.00 | 1 | -0.39 | 18 | -7.02 | |
| Maravi Ceron, Ayme | | | 1263 | PER | 0.50 | 1 | 0.04 | 18 | 0.72 | |
| Coaquira Gonzales, Oscar Adriano | | | 1107 | PER | 1.00 | 1 | 0.33 | 18 | 5.94 | |
| Cardenas Huachaca, Alessandro Jai | | | 1155 | PER | 0.00 | 1 | -0.60 | 18 | -10.80 | |
| Lapa Cunias, Marco Antonio | | | 1463 | PER | 0.00 | 1 | -0.21 | 18 | -3.78 | |
| Ccana Minauro, Reiben Andre | | | 1256 | PER | 0.00 | 1 | -0.47 | 18 | -8.46 | |
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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| 11 Open IRT U2400 Club Hermanos Rojas | Lima | PER | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1465 | 1231 | 2.50 | 6 | 0.65 | 18 | 11.70 | |
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| Reyes Zavaleta, Fabian Ricardo | | | 2020 | PER | 0.00 | 1 | 0.00 | 18 | 0.00 | |
| Gomez Nunez, Fabian Elmer | | | 1147 | PER | 1.00 | 1 | 0.38 | 18 | 6.84 | |
| Chesa Horiuchi, Nikolas Gabriel | | | 1095 | PER | 1.00 | 1 | 0.32 | 18 | 5.76 | |
| Herrada, Blanco Maria Fernanda | | | 1406 | PER | 0.50 | 1 | 0.23 | 18 | 4.14 | |
| Garay Ramirez, Estefano Javier | | | 1666 | PER | 0.00 | 1 | -0.06 | 18 | -1.08 | |
| Mollo Figueroa, Nicole | | | 1456 | BOL | 0.00 | 1 | -0.22 | 18 | -3.96 | |
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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