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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 |
| 1268 | 1052 | 2.00 | 4 | 0.93 | 40 | 37.20 | |
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 Riveros Rodriguez, Yeral Manuel | | | 1452 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1125 | PER | 0.50 | 1 | 0.10 | 40 | 4.00 | |
| Apolin Meza, Tito | | | 1452 * | PER | 1.00 | 1 | 0.92 | 40 | 36.80 | |
 Garay Ramirez, Estefano Javier | | | 1042 | PER | 0.50 | 1 | -0.01 | 40 | -0.40 | |
| * 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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| XIV Open IRT U-1600 Club Hermanos Rojas. | Lima | PER | 2020-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1118 | 1052 | 2.50 | 4 | 0.85 | 40 | 34.00 | |
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| Torres Castaneda, Ricardo | | | 1176 | PER | 1.00 | 1 | 0.67 | 40 | 26.80 | |
| Francisco Suyo, David Elias | | | 1058 | PER | 0.00 | 1 | -0.49 | 40 | -19.60 | |
| Amaya Retamozo, Carmen Rebeca | | | 1019 | PER | 1.00 | 1 | 0.45 | 40 | 18.00 | |
| Bendezu Yupanqui, Albert Martin | | | 1217 | PER | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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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| Campeonato Metropolitano Juvenil 2020 - Sub 8 Absoluto | Lima | PER | 2020-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1004 | 1052 | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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| Garay Ramirez, Patrick Yosue | | | 1004 | PER | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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 |
| 1332 | 1052 | 1.00 | 3 | 0.44 | 40 | 17.60 | |
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| Reyes Zavaleta, Cristhian Yamil | | | 1397 | PER | 0.00 | 1 | -0.11 | 40 | -4.40 | |
| Iman Terry, Aldo Luis Fabiano | | | 1146 | PER | 1.00 | 1 | 0.63 | 40 | 25.20 | |
| Abad Huaman, Adrian Estiven | | | 1452 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | |
| * 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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