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| Campeonato Regional Metropolitano Impar Absoluto Sub 15 2022 | Lima | PER | 2022-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1537 | 1240 | 1.00 | 4 | 0.30 | 25 | 7.50 | |
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 Riveros Rodriguez, Yeral Manuel | | | 1514 | PER | 0.00 | 1 | -0.17 | 25 | -4.25 | |
| Salazar Flores, Yerick Alexander | | | 1433 | PER | 0.50 | 1 | 0.25 | 25 | 6.25 | |
 Herrada, Blanco Maria Fernanda | | | 1429 | PER | 0.50 | 1 | 0.25 | 25 | 6.25 | |
| Parra Gonzales, Andre Leonardo | | | 1772 | PER | 0.00 | 1 | -0.03 | 25 | -0.75 | |
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 2022 Sub 15 Absoluto | Lima | PER | 2022-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1304 | 1240 | 4.00 | 7 | 0.89 | 25 | 22.25 | |
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| Bendezu Yupanqui, Albert Martin | | | 1495 | PER | 0.00 | 1 | -0.19 | 25 | -4.75 | |
| Castaneda Huamani, Frank Eder | | | 1052 | PER | 0.00 | 1 | -0.74 | 25 | -18.50 | |
| Vasquez Alva, Marco Joaquin | | | 1101 | PER | 1.00 | 1 | 0.31 | 25 | 7.75 | |
| Guzman Vera, Diego Alonso | | | 1693 | PER | 0.00 | 1 | -0.06 | 25 | -1.50 | |
| Ynga Cisneros, Gabriel Ernesto | | | 1185 | PER | 1.00 | 1 | 0.42 | 25 | 10.50 | |
| Troll Jacinto, Gustavo Alonso | | | 1177 | PER | 1.00 | 1 | 0.41 | 25 | 10.25 | |
| Cjuno Rosello, Leonel Alonso | | | 1425 | PER | 1.00 | 1 | 0.74 | 25 | 18.50 | |
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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| 10 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1524 | 1240 | 3.00 | 6 | 1.77 | 25 | 44.25 | |
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| Robles Cerron, Sebastian | | | 1570 | PER | 0.00 | 1 | -0.12 | 25 | -3.00 | |
| Villafuerte Mamani, Khalid Stepha | | | 1710 | PER | 1.00 | 1 | 0.95 | 25 | 23.75 | |
| Navarro Maldonado, Monica Dayana | | | 1728 | VEN | 0.50 | 1 | 0.46 | 25 | 11.50 | |
| Mollo Figueroa, Nicole | | | 1419 | BOL | 0.50 | 1 | 0.23 | 25 | 5.75 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1572 | PER | 0.00 | 1 | -0.12 | 25 | -3.00 | |
| Coaquira Gonzales, Oscar Adriano | | | 1146 | PER | 1.00 | 1 | 0.37 | 25 | 9.25 | |
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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| 1 Open IRT U1800 Circulo Peruano de Ajedrez | Lima | PER | 2022-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1240 | 3.00 | 6 | 1.05 | 25 | 26.25 | |
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| Bendezu Yupanqui, Albert Martin | | | 1495 | PER | 0.00 | 1 | -0.19 | 25 | -4.75 | |
| Diaz Bermudez, Pedro Teofilo | | | 1386 | PER | 1.00 | 1 | 0.70 | 25 | 17.50 | |
| Ccana Minauro, Reiben Andre | | | 1187 | PER | 1.00 | 1 | 0.43 | 25 | 10.75 | |
| Salazar Flores, Yerick Alexander | | | 1433 | PER | 0.00 | 1 | -0.25 | 25 | -6.25 | |
| Lapa Cunias, Marco Antonio | | | 1308 | PER | 0.50 | 1 | 0.09 | 25 | 2.25 | |
| Garay Ramirez, Estefano Javier | | | 1450 | PER | 0.50 | 1 | 0.27 | 25 | 6.75 | |
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 U1800 Club Hermanos Rojas | Lima | PER | 2022-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1339 | 1240 | 1.50 | 5 | -0.44 | 25 | -11.00 | |
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| Quevedo Perales, Aaron Wilfredo | | | 1492 | PER | 0.00 | 1 | -0.19 | 25 | -4.75 | |
| Julcarima Quispe, Edder Rolando | | | 1131 | PER | 0.00 | 1 | -0.65 | 25 | -16.25 | |
| Lapa Cunias, Marco Antonio | | | 1308 | PER | 0.50 | 1 | 0.09 | 25 | 2.25 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1572 | PER | 0.00 | 1 | -0.12 | 25 | -3.00 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1192 | PER | 1.00 | 1 | 0.43 | 25 | 10.75 | |
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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