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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 |
| 1258 | 1377 | 4.50 | 8 | -0.64 | 35 | -22.40 | |
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 Garayar Peralta, Martin Alejandro | | | 1059 | PER | 1.00 | 1 | 0.13 | 35 | 4.55 | |
 Ponciano Madueno, Luis Felipe | | | 1176 | PER | 0.50 | 1 | -0.26 | 35 | -9.10 | |
| Salazar Flores, Yerick Alexander | | | 1225 | PER | 1.00 | 1 | 0.30 | 35 | 10.50 | |
| Alvarado Ramirez, Marco Antonio | | | 1087 | PER | 1.00 | 1 | 0.16 | 35 | 5.60 | |
| Reyes Zavaleta, Diego Alexander | | | 1543 | PER | 0.00 | 1 | -0.28 | 35 | -9.80 | |
| Gallegos Uscamayta, Wilson | | | 1256 | PER | 1.00 | 1 | 0.34 | 35 | 11.90 | |
| Lazaro Cuevas, Ronald Anthony | | | 1596 | PER | 0.00 | 1 | -0.22 | 35 | -7.70 | |
| Garayar Peralta, Luis Fernando | | | 1121 | PER | 0.00 | 1 | -0.81 | 35 | -28.35 | |
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 |
| 1300 | 1397 | 2.00 | 5 | -1.03 | 35 | -36.05 | |
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| Riveros Rodriguez, Yeral Manuel | | | 1536 | PER | 0.00 | 1 | -0.31 | 35 | -10.85 | |
| Ponciano Madueno, Luis Felipe | | | 1189 | PER | 0.00 | 1 | -0.77 | 35 | -26.95 | |
| Garay Ramirez, Patrick Yosue | | | 1004 | PER | 1.00 | 1 | 0.08 | 35 | 2.80 | |
| Reyes Zavaleta, Diego Alexander | | | 1541 | PER | 0.00 | 1 | -0.31 | 35 | -10.85 | |
| Herrada, Blanco Maria Fernanda | | | 1232 | PER | 1.00 | 1 | 0.28 | 35 | 9.80 | |
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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| XIV Open IRT U-1600 Club Hermanos Rojas. | Lima | PER | 2020-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1163 | 1397 | 2.00 | 3 | -0.31 | 35 | -10.85 | |
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| Romero Velasquez, Jimena | | | 1015 | PER | 1.00 | 1 | 0.09 | 35 | 3.15 | |
| Zapata Romero, Italo German | | | 1338 | PER | 0.00 | 1 | -0.58 | 35 | -20.30 | |
| Espichan Serna, Magaly Del Rosari | | | 1137 | PER | 1.00 | 1 | 0.18 | 35 | 6.30 | |
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 |
| 1186 | 1397 | 3.50 | 4 | 0.54 | 35 | 18.90 | |
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| Vilca Contreras, Dante Ivan | | | 1052 | PER | 1.00 | 1 | 0.11 | 35 | 3.85 | |
| Abad Huaman, Adrian Estiven | | | 1503 | PER | 0.50 | 1 | 0.14 | 35 | 4.90 | |
| Pillaca Chumbe, Santiago Moises | | | 1063 | PER | 1.00 | 1 | 0.12 | 35 | 4.20 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1125 | PER | 1.00 | 1 | 0.17 | 35 | 5.95 | |
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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