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| Campeonato Regional Metropolitano Escolar SUB 17 Absoluto | Lima | PER | 2021-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1731 | 1783 | 1.50 | 4 | -0.67 | 40 | -26.80 | |
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 Contreras Huaman, Fiorella | | wf | 1973 | PER | 0.00 | 1 | -0.25 | 40 | -10.00 | |
 Sinti Pio, Jesus Moises | | | 1778 | PER | 0.00 | 1 | -0.51 | 40 | -20.40 | |
| Reyes Zavaleta, Fabian Ricardo | | | 1789 | PER | 0.50 | 1 | 0.01 | 40 | 0.40 | |
| Orosco Flores, Michel Alain Zenon | | | 1383 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
| * 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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| IV IRT Hibrido del Sur Sub-1800 2021 | Porlamar-Caracas-Lima-La Paz-La Habana-Jalisco | VEN | 2021-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1688 | 2.00 | 4 | -1.12 | 40 | -44.80 | |
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| Diaz Guerrero, Jesus Daniel | | | 1499 | MEX | 0.50 | 1 | -0.25 | 40 | -10.00 | |
| Roa Romero, Miguelangel Alberto | | | 1355 | VEN | 0.50 | 1 | -0.38 | 40 | -15.20 | |
| Reyes Serrano, Jose De Jesus | | | 1402 | MEX | 1.00 | 1 | 0.16 | 40 | 6.40 | |
| Abrantes Rivero, Miguel David | | | 1579 | VEN | 0.00 | 1 | -0.65 | 40 | -26.00 | |
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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| 11 Open IRT U-2200 Club Hermanos Rojas | Lima | PER | 2021-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1563 | 1688 | 4.00 | 6 | 0.23 | 40 | 9.20 | |
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| Reyes Zavaleta, Sergio Gabriel | | | 1288 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
| Bendezu Yupanqui, Albert Martin | | | 1288 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
| Vasquez Vargas, Henry Richard | | | 2088 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | |
| Jimenez Salas, Maria Teresa | | | 1681 | PER | 0.50 | 1 | -0.01 | 40 | -0.40 | |
| Acuna Alarcon, Claudia Micaela | | | 1288 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
| Guzman Vera, Diego Alonso | | | 1745 | PER | 0.50 | 1 | 0.08 | 40 | 3.20 | |
| * 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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