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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 |
| 1375 | 1492 | 4.00 | 4 | 1.49 | 20 | 29.80 | |
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 Chesa Horiuchi, Nikolas Gabriel | | | 1092 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | |
 Cardenas Huachaca, Alessandro Jai | | | 1289 | PER | 1.00 | 1 | 0.24 | 20 | 4.80 | |
| Garay Ramirez, Estefano Javier | | | 1450 | PER | 1.00 | 1 | 0.44 | 20 | 8.80 | |
| Minaya Mundines, Pietro Gerardo | | | 1668 | PER | 1.00 | 1 | 0.73 | 20 | 14.60 | |
| * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1404 | 1492 | 4.00 | 7 | -0.23 | 20 | -4.60 | |
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| Coaquira Gonzales, Oscar Adriano | | | 1146 | PER | 1.00 | 1 | 0.11 | 20 | 2.20 | |
| Cardenas Huachaca, Alessandro Jai | | | 1289 | PER | 1.00 | 1 | 0.24 | 20 | 4.80 | |
| Robles Cerron, Sebastian | | | 1570 | PER | 1.00 | 1 | 0.61 | 20 | 12.20 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1572 | PER | 0.00 | 1 | -0.39 | 20 | -7.80 | |
| Bendezu Yupanqui, Albert Martin | | | 1495 | PER | 0.50 | 1 | 0.00 | 20 | 0.00 | |
| Lapa Cunias, Marco Antonio | | | 1308 | PER | 0.50 | 1 | -0.24 | 20 | -4.80 | |
| Garay Ramirez, Estefano Javier | | | 1450 | PER | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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 |
| 1418 | 1492 | 5.00 | 7 | 0.87 | 20 | 17.40 | |
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| Ponciano Madueno, Luis Felipe | | | 1240 | PER | 1.00 | 1 | 0.19 | 20 | 3.80 | |
| Villafuerte Mamani, Khalid Stepha | | | 1710 | PER | 0.00 | 1 | -0.22 | 20 | -4.40 | |
| Bendezu Yupanqui, Albert Martin | | | 1495 | PER | 1.00 | 1 | 0.50 | 20 | 10.00 | |
| Acuna Alarcon, Claudia Micaela | | | 1412 | PER | 1.00 | 1 | 0.39 | 20 | 7.80 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1572 | PER | 1.00 | 1 | 0.61 | 20 | 12.20 | |
| Lapa Cunias, Marco Antonio | | | 1308 | PER | 0.50 | 1 | -0.24 | 20 | -4.80 | |
| Ccana Minauro, Reiben Andre | | | 1187 | PER | 0.50 | 1 | -0.36 | 20 | -7.20 | |
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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