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| VII Open IRT U-2200 Club Hermanos Rojas | Lima | PER | 2019-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1421 | 1279 | 0.50 | 3 | -0.53 | 36 | -19.08 | |
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 Alcantara Valderrama, Genrry Herm | | | 1430 | PER | 0.00 | 1 | -0.30 | 36 | -10.80 | |
| Vega Paucar, Emely Bachellet | | | 1651 | PER | 0.00 | 1 | -0.10 | 36 | -3.60 | |
| Garcia Andrada, Humberto Daniel | | | 1183 | PER | 0.50 | 1 | -0.13 | 36 | -4.68 | |
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 Nacional Juvenil 2019, Sub 10 Absoluto | Lima | PER | 2019-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1169 | 1279 | 4.50 | 7 | 0.01 | 36 | 0.36 | |
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| Caceres Larico, Alex | | | 1096 | PER | 1.00 | 1 | 0.26 | 36 | 9.36 | |
 Ortiz Mallma, Fabian Ivan | | | 1146 | PER | 1.00 | 1 | 0.32 | 36 | 11.52 | |
| Cardenas, Lima Vincent Matias | | | 1386 | PER | 0.00 | 1 | -0.35 | 36 | -12.60 | |
| Wong Velis, Alejandro Jesus | | | 1119 | PER | 1.00 | 1 | 0.29 | 36 | 10.44 | |
| Cuya Zevallos, Andrew Francisco | | | 1306 | PER | 0.00 | 1 | -0.46 | 36 | -16.56 | |
| Diaz Bermudez, Pedro Teofilo | | | 1098 | PER | 0.50 | 1 | -0.24 | 36 | -8.64 | |
| Rojas Linares, Nicolas Gabriel | | | 1030 | PER | 1.00 | 1 | 0.19 | 36 | 6.84 | |
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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| I IRT Cerrado Preparatorio al Nacional Escolar 2019 | Lima | PER | 2019-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1055 | 1263 | 5.00 | 9 | -1.71 | 36 | -61.56 | |
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| Condori Yupanqui, Graci Priscilla | | | 966 | PER | 1.00 | 1 | 0.15 | 36 | 5.40 | |
| Ccana Minauro, Reiben Andre | | | 1206 | PER | 1.00 | 1 | 0.42 | 36 | 15.12 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1138 | PER | 0.00 | 1 | -0.67 | 36 | -24.12 | |
| Condori Yupamqui, Luis Eduardo | | | 1035 | PER | 0.00 | 1 | -0.79 | 36 | -28.44 | |
| Renteria Padilla, Jorge Roberto | | | 863 * | PER | 1.00 | 1 | 0.08 | 36 | 2.88 | |
| Garcia Kovacina, Milos | | | 863 * | PER | 1.00 | 1 | 0.08 | 36 | 2.88 | |
| Ccana Minauro, Wernher Sebastian | | | 1237 | PER | 0.00 | 1 | -0.54 | 36 | -19.44 | |
| Ramirez Alvarez, Jorge Sebastian | | | 1039 | PER | 0.00 | 1 | -0.78 | 36 | -28.08 | |
| Venegas Fernandez, Nicolas Emilio | | | 1146 | PER | 1.00 | 1 | 0.34 | 36 | 12.24 | |
| * 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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