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| Campeonato Metropolitano Escolar 2018 Grupo A Sub 15 Absoluto | Lima | PER | 2018-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1704 | 1646 | 4.00 | 6 | 1.43 | 20 | 28.60 | |
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 Caja Cruz, Gabriel | | | 1809 | PER | 0.50 | 1 | 0.22 | 20 | 4.40 | |
 Bravo Mallco, Kate Azumi | | | 1774 | PER | 1.00 | 1 | 0.67 | 20 | 13.40 | |
| Rojas, Steven | | | 2045 | PER | 0.50 | 1 | 0.42 | 20 | 8.40 | |
| Pariona Larrota, Andre Sebastian | | | 1820 | PER | 0.00 | 1 | -0.27 | 20 | -5.40 | |
| Travezano Patino, Eduard Gedeon | | | 1473 | PER | 1.00 | 1 | 0.27 | 20 | 5.40 | |
| Quispe Barboza, Nicolas Andre | | | 1302 | PER | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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 Metropolitano Escolar 2018 Grupo A Sub 17 Absoluto | Lima | PER | 2018-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1646 | 3.50 | 6 | 1.86 | 20 | 37.20 | |
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| Ccerhuayo Escobedo, Mels Leopold | | | 2004 | PER | 0.50 | 1 | 0.40 | 20 | 8.00 | |
| Arauco Celestino, Arianna Sofia | | wf | 1645 | PER | 1.00 | 1 | 0.50 | 20 | 10.00 | |
| Huarcaya Silloca, Carlos Enrique | | | 2014 | PER | 0.00 | 1 | -0.10 | 20 | -2.00 | |
| Rosas Valverde, Nicolle Shesira | | | 1630 | PER | 1.00 | 1 | 0.48 | 20 | 9.60 | |
| Bravo Mallco, Kate Azumi | | | 1774 | PER | 1.00 | 1 | 0.67 | 20 | 13.40 | |
| Gomez Huaraya, Jesus Miguel | | | 2024 | PER | 0.00 | 1 | -0.09 | 20 | -1.80 | |
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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| XXIX Festival Panamericano de la Juventud U-12 Fem | Santiago | CHI | 2018-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1481 | 1646 | 6.00 | 9 | -0.20 | 20 | -4.00 | |
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| Bianco, Rocio | | | 1246 * | URU | 1.00 | 1 | 0.08 | 20 | 1.60 | |
| Mundaca Bermedo, Pia | | | 1368 | CHI | 0.50 | 1 | -0.33 | 20 | -6.60 | |
| Rueda Nessi, Juana | | wc | 1570 | ARG | 0.50 | 1 | -0.10 | 20 | -2.00 | |
| Artieda Berru, Ariadna Amely | | | 1282 | ECU | 1.00 | 1 | 0.10 | 20 | 2.00 | |
| Parreira, Teodora Ribeiro | | | 1621 | BRA | 1.00 | 1 | 0.47 | 20 | 9.40 | |
| Vega Paucar, Emely Bachellet | | | 1555 | PER | 0.50 | 1 | -0.12 | 20 | -2.40 | |
| Huayhuas Robles, Laura Sofia | | | 1387 | PER | 1.00 | 1 | 0.18 | 20 | 3.60 | |
| Wang, Ellen | | wf | 1674 | USA | 0.50 | 1 | 0.04 | 20 | 0.80 | |
| Francisco Guecamburu, Candela Be | | wc | 1630 | ARG | 0.00 | 1 | -0.52 | 20 | -10.40 | |
| * 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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| XII FESTIVAL INTERNACIONAL DE AJEDREZ CLARETIANO - Categoria Sub-12 | Lima | PER | 2018-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1646 | 5.50 | 6 | 1.12 | 20 | 22.40 | |
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| Martel Obregon, Andre Gianpierre | | | 1246 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | |
| Sumaria Choqueluque, Nikole Ange | | | 1334 | PER | 1.00 | 1 | 0.14 | 20 | 2.80 | |
| Blanco Ramirez, Jhosep Emanuel | | | 1376 | PER | 1.00 | 1 | 0.17 | 20 | 3.40 | |
| Sifuentes Alcantara, Jhony Sebas | | | 1595 | PER | 1.00 | 1 | 0.43 | 20 | 8.60 | |
| Vega Paucar, Emely Bachellet | | | 1594 | PER | 1.00 | 1 | 0.43 | 20 | 8.60 | |
| Benavides Conza, Diego Angelo | | | 1554 | PER | 0.50 | 1 | -0.13 | 20 | -2.60 | |
| * 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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| III Campeonato Nacional Juvenil Categorias Impares 2018 Sub 17 Absoluto | Lima | PER | 2018-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1646 | 4.50 | 8 | 1.78 | 20 | 35.60 | |
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| Hepler Ramirez , Narayana | | | 1900 | PER | 0.50 | 1 | 0.31 | 20 | 6.20 | |
| Arevalo Perez, Luis Alexander | | | 1726 | PER | 0.00 | 1 | -0.39 | 20 | -7.80 | |
| Vazquez Paredes, Alberto Salvado | | | 1506 | PER | 0.50 | 1 | -0.19 | 20 | -3.80 | |
| Castaneda Saldarriaga, Luis Alons | | | 1886 | PER | 0.50 | 1 | 0.30 | 20 | 6.00 | |
| Infanzon Caceres, Luis Anthony | | | 1591 | PER | 1.00 | 1 | 0.42 | 20 | 8.40 | |
| Alarcon Garcia, Alejandro Mikhai | | | 1885 | PER | 1.00 | 1 | 0.80 | 20 | 16.00 | |
| Romero, Sebastian Peru | | | 1723 | PER | 1.00 | 1 | 0.61 | 20 | 12.20 | |
| Flores Quillas, Diego Saul Rodri | f | | 2046 * | PER | 0.00 | 1 | -0.08 | 20 | -1.60 | |
| * 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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