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| XII Open IRT U-1600 Club Hermanos Rojas | Lima | PER | 2020-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1159 | 1063 | 0.00 | 5 | -1.99 | 40 | -79.60 | |
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 Reyes Zavaleta, Diego Alexander | | | 1463 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | |
 Garay Ramirez, Estefano Javier | | | 1004 | PER | 0.00 | 1 | -0.58 | 40 | -23.20 | |
| Gallegos Uscamayta, Wilson | | | 1256 | PER | 0.00 | 1 | -0.25 | 40 | -10.00 | |
| Campos Aquino, Benjhamyn Joshua | | | 1052 | PER | 0.00 | 1 | -0.52 | 40 | -20.80 | |
| Francisco Suyo, David Elias | | | 1021 | PER | 0.00 | 1 | -0.56 | 40 | -22.40 | |
| * 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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| XIII Open IRT U-1600 Club Hermanos Rojas. | Lima | PER | 2020-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1188 | 1063 | 1.00 | 4 | -0.46 | 40 | -18.40 | |
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| Apolin Meza, Tito | | | 1463 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | |
| Herrada, Blanco Maria Fernanda | | | 1232 | PER | 0.00 | 1 | -0.28 | 40 | -11.20 | |
| Coaquira Gonzales, Oscar Adriano | | | 1036 | PER | 0.00 | 1 | -0.54 | 40 | -21.60 | |
| Rojas Salas, Rihanna Irina | | | 1022 | PER | 1.00 | 1 | 0.44 | 40 | 17.60 | |
| * 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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| XIV Open IRT U-1600 Club Hermanos Rojas. | Lima | PER | 2020-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1042 | 1063 | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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| Garay Ramirez, Estefano Javier | | | 1042 | PER | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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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| Campeonato Metropolitano Juvenil 2020 - Sub 10 Absoluto | Lima | PER | 2020-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1118 | 1063 | 3.00 | 4 | 1.22 | 40 | 48.80 | |
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| Gorn Zerillo, Pedro Josue | | | 1020 | PER | 1.00 | 1 | 0.44 | 40 | 17.60 | |
| Boronda Costilla, Gianpool Claudi | | | 1032 | PER | 1.00 | 1 | 0.46 | 40 | 18.40 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1397 | PER | 0.00 | 1 | -0.12 | 40 | -4.80 | |
| Montero Ricra, Kevin Johan | | | 1021 | PER | 1.00 | 1 | 0.44 | 40 | 17.60 | |
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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