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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 |
| 1185 | 1332 | 4.00 | 7 | -0.79 | 35 | -27.65 | |
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 Campos Aquino, Benjhamyn Joshua | | | 1052 | PER | 1.00 | 1 | 0.16 | 35 | 5.60 | |
 Garay Ramirez, Estefano Javier | | | 1004 | PER | 1.00 | 1 | 0.13 | 35 | 4.55 | |
| Lazaro Cuevas, Ronald Anthony | | | 1596 | PER | 0.00 | 1 | -0.18 | 35 | -6.30 | |
| Delgado Romero, Julio Cesar Stefa | | | 1124 | PER | 1.00 | 1 | 0.23 | 35 | 8.05 | |
| Ortiz Menacho, Sebastian Alonso | | | 1154 | PER | 0.00 | 1 | -0.73 | 35 | -25.55 | |
| Linares Matos, Mauricio Alonso | | | 1172 | PER | 0.00 | 1 | -0.71 | 35 | -24.85 | |
| Ccana Minauro, Reiben Andre | | | 1190 | PER | 1.00 | 1 | 0.31 | 35 | 10.85 | |
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 Clasico Under 1600 - Club de Ajedrez Grunfeld | Lima | PER | 2020-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1261 | 1332 | 4.50 | 8 | -0.13 | 35 | -4.55 | |
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| Balvin, Jorge | | | 1536 | PER | 0.00 | 1 | -0.24 | 35 | -8.40 | |
| Del Mar Priale, Rafael | | | 1169 | PER | 0.50 | 1 | -0.22 | 35 | -7.70 | |
| Campana Huerta, Marcelo | | | 1591 | PER | 0.00 | 1 | -0.18 | 35 | -6.30 | |
| Lopez Cavero, Maximo Jesus | | | 1252 | PER | 0.50 | 1 | -0.11 | 35 | -3.85 | |
| Puchuri Torres, Adriano Mathias | | | 932 * | PER | 1.00 | 1 | 0.08 | 35 | 2.80 | |
| Boronda Costilla, Gianpool Claudi | | | 1032 | PER | 1.00 | 1 | 0.15 | 35 | 5.25 | |
| Ramirez Flores, Lino Alfredo | | | 1148 | PER | 1.00 | 1 | 0.26 | 35 | 9.10 | |
| Guerrero Garcia, Said Claudio | | | 1424 | PER | 0.50 | 1 | 0.13 | 35 | 4.55 | |
| * 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 |
| 1029 | 1360 | 4.00 | 5 | -0.38 | 35 | -13.30 | |
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| Romero Velasquez, Jimena | | | 1015 | PER | 1.00 | 1 | 0.11 | 35 | 3.85 | |
| Guzman Vera, Allison Nicole | | | 1067 | PER | 0.00 | 1 | -0.85 | 35 | -29.75 | |
| Amaya Retamozo, Carmen Rebeca | | | 1019 | PER | 1.00 | 1 | 0.12 | 35 | 4.20 | |
| Guzman Vera, Xiomara Anahi | | | 1020 | PER | 1.00 | 1 | 0.12 | 35 | 4.20 | |
| Rojas Salas, Rihanna Irina | | | 1022 | PER | 1.00 | 1 | 0.12 | 35 | 4.20 | |
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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