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| 7 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-10-02 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1210 | 0 | 0.00 | 4 | 0.00 | 410 | | 0.00 | |
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 Ccana Minauro, Reiben Andre | | | 1347 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Ramirez Mori, Jael Eduardo | | | 1003 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
 Bocanegra Reyes, Thiago Stephano | | | 1182 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Castillo Vasquez, Abel Vanner | | | 1306 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
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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| 2 Open IRT U2400 Club Regatas Lima | Lima | PER | 2023-10-07 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1425 | 0 | 1.50 | 5 | 0.00 | 1276 | | 0.00 | |
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| Guzman Vera, Diego Alonso | | | 1670 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Guzman Vera, Xiomara Anahi | | | 1377 | PER | 1.00 | 1 | 0.00 | | 0.00 | |
| Ramirez Mori, Angel Farid | | | 1572 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1341 | PER | 0.50 | 1 | 0.00 | | 0.00 | |
| Figueroa Penny, Antonio Alfredo | | | 1165 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
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 | Rp | K | K*chg | Game |
| 1211 | 0 | 3.00 | 7 | 0.00 | 1161 | | 0.00 | |
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| Jimenez Espinola, Herles Hazael | | | 1318 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Chinga Gomez, Didier Sebastian | | | 1170 | PER | 1.00 | 1 | 0.00 | | 0.00 | |
| Espiritu, Laureano Pier Davide | | | 1179 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Cardenas Huachaca, Alessandro Jai | | | 1315 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Paredes Llajaruna, Sandro | | | 1076 | PER | 1.00 | 1 | 0.00 | | 0.00 | |
| Aguilar Contreras, William Alejan | | | 1219 | PER | 0.00 | 1 | 0.00 | | 0.00 | |
| Blanco Huallpa, Joshuas Kalen | | | 1197 | PER | 1.00 | 1 | 0.00 | | 0.00 | |
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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