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| 9 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1417 | 1412 | 4.00 | 7 | 0.59 | 21 | 12.39 | |
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 Bendezu Yupanqui, Albert Martin | | | 1495 | PER | 1.00 | 1 | 0.61 | 21 | 12.81 | |
 Oquiche Huarcaya, Ariana | | | 1652 | PER | 0.00 | 1 | -0.20 | 21 | -4.20 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1192 | PER | 1.00 | 1 | 0.22 | 21 | 4.62 | |
| Ccana Minauro, Wernher Sebastian | | | 1413 | PER | 1.00 | 1 | 0.50 | 21 | 10.50 | |
| Garay Ramirez, Estefano Javier | | | 1450 | PER | 0.00 | 1 | -0.45 | 21 | -9.45 | |
| Minaya Mundines, Pietro Gerardo | | | 1668 | PER | 0.00 | 1 | -0.19 | 21 | -3.99 | |
| Castaneda Huamani, Frank Eder | | | 1052 | PER | 1.00 | 1 | 0.10 | 21 | 2.10 | |
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 Regional Metropolitano Impar Femenino Sub 13 2022 | Lima | PER | 2022-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1123 | 1412 | 2.00 | 4 | -1.36 | 21 | -28.56 | |
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| Casqui Lopez, Pamela Grace | | | 1120 | PER | 1.00 | 1 | 0.15 | 21 | 3.15 | |
| Torres Ccahuay, Dayana Nievevska | | | 1219 | PER | 0.00 | 1 | -0.75 | 21 | -15.75 | |
| Champi Suarez, Chiara Anaid | | | 1065 | PER | 0.00 | 1 | -0.89 | 21 | -18.69 | |
| Aranda Pucuhuanca, Alessandra Mic | | | 1087 | PER | 1.00 | 1 | 0.13 | 21 | 2.73 | |
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 13 Femenino | Lima | PER | 2022-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1199 | 1412 | 3.00 | 6 | -1.57 | 21 | -32.97 | |
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| Chara Ticona, Nicole Alondra | | | 1180 | PER | 1.00 | 1 | 0.21 | 21 | 4.41 | |
| Ascama Paredes, Sofia Elvira | | | 1186 | PER | 0.00 | 1 | -0.79 | 21 | -16.59 | |
| Gaspar Guevara, Darling | | | 1260 | PER | 0.00 | 1 | -0.70 | 21 | -14.70 | |
| Cordova Martiarena, Gabriela Fern | | | 1160 | PER | 1.00 | 1 | 0.19 | 21 | 3.99 | |
| Quispe Villagaray, Maria Belen | | | 1049 | PER | 1.00 | 1 | 0.10 | 21 | 2.10 | |
| Arenas Lavado, Luciana Andrea | | | 1357 | PER | 0.00 | 1 | -0.58 | 21 | -12.18 | |
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 |
| 1343 | 1412 | 4.50 | 7 | 0.35 | 21 | 7.35 | |
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| Carmona Carrillo, Carlos Rafael A | | | 1701 | ESP | 0.00 | 1 | -0.16 | 21 | -3.36 | |
| Ccana Minauro, Wernher Sebastian | | | 1413 | PER | 0.50 | 1 | 0.00 | 21 | 0.00 | |
| Gomez Nunez, Fabian Elmer | | | 1143 | PER | 1.00 | 1 | 0.17 | 21 | 3.57 | |
| Lapa Cunias, Marco Antonio | | | 1308 | PER | 0.50 | 1 | -0.14 | 21 | -2.94 | |
| Ramirez Espino, Gian Sandro | | | 1265 | PER | 0.50 | 1 | -0.20 | 21 | -4.20 | |
| Maravi Ceron, Ayme | | | 1197 | PER | 1.00 | 1 | 0.23 | 21 | 4.83 | |
| Vilca Contreras, Dante Ivan | | | 1374 | PER | 1.00 | 1 | 0.45 | 21 | 9.45 | |
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 |
| 1334 | 1412 | 4.50 | 8 | -0.24 | 21 | -5.04 | |
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| Julcarima Quispe, Edder Rolando | | | 1131 | PER | 1.00 | 1 | 0.16 | 21 | 3.36 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1572 | PER | 0.50 | 1 | 0.21 | 21 | 4.41 | |
| Rojas Salas, Rihanna Irina | | | 1245 | PER | 1.00 | 1 | 0.28 | 21 | 5.88 | |
| Ccana Minauro, Wernher Sebastian | | | 1413 | PER | 0.50 | 1 | 0.00 | 21 | 0.00 | |
| Quevedo Perales, Aaron Wilfredo | | | 1492 | PER | 0.00 | 1 | -0.39 | 21 | -8.19 | |
| Salas Gonzales, David Ademar | | | 1134 | PER | 0.00 | 1 | -0.83 | 21 | -17.43 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1192 | PER | 1.00 | 1 | 0.22 | 21 | 4.62 | |
| Bendezu Yupanqui, Albert Martin | | | 1495 | PER | 0.50 | 1 | 0.11 | 21 | 2.31 | |
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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