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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 |
| 1142 | 1004 | 2.50 | 7 | 0.19 | 38 | 7.22 | |
|
 Herrada, Blanco Maria Fernanda | | | 1232 | PER | 0.50 | 1 | 0.29 | 38 | 11.02 | |
 Pillaca Chumbe, Santiago Moises | | | 1063 | PER | 1.00 | 1 | 0.58 | 38 | 22.04 | |
| Ccana Minauro, Wernher Sebastian | | | 1332 | PER | 0.00 | 1 | -0.13 | 38 | -4.94 | |
| Campos Aquino, Benjhamyn Joshua | | | 1052 | PER | 0.00 | 1 | -0.43 | 38 | -16.34 | |
| Amaya Retamozo, Carmen Rebeca | | | 1019 | PER | 0.00 | 1 | -0.48 | 38 | -18.24 | |
| Casqui Lopez, Pamela Grace | | | 1057 | PER | 1.00 | 1 | 0.57 | 38 | 21.66 | |
| Mandujano Torres, Joseph Jairo Se | | | 1237 | PER | 0.00 | 1 | -0.21 | 38 | -7.98 | |
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 |
| 1223 | 1042 | 1.00 | 4 | -0.15 | 38 | -5.70 | |
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| Reyes Zavaleta, Diego Alexander | | | 1442 * | PER | 0.00 | 1 | -0.08 | 38 | -3.04 | |
| Ponciano Madueno, Luis Felipe | | | 1189 | PER | 0.00 | 1 | -0.30 | 38 | -11.40 | |
| Ramirez Mori, Angel Farid | | | 1210 | PER | 0.50 | 1 | 0.22 | 38 | 8.36 | |
| Vilca Contreras, Dante Ivan | | | 1052 | PER | 0.50 | 1 | 0.01 | 38 | 0.38 | |
| * 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 |
| 1178 | 1042 | 2.50 | 5 | 0.87 | 38 | 33.06 | |
|
| Pillaca Chumbe, Santiago Moises | | | 1063 | PER | 1.00 | 1 | 0.53 | 38 | 20.14 | |
| Linares Matos, Mauricio Alonso | | | 1174 | PER | 0.00 | 1 | -0.32 | 38 | -12.16 | |
| Ponciano Madueno, Luis Felipe | | | 1189 | PER | 0.50 | 1 | 0.20 | 38 | 7.60 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1125 | PER | 1.00 | 1 | 0.61 | 38 | 23.18 | |
| Zapata Romero, Italo German | | | 1338 | PER | 0.00 | 1 | -0.15 | 38 | -5.70 | |
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 14 Absoluto | Lima | PER | 2020-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1306 | 1042 | 1.00 | 2 | 0.59 | 38 | 22.42 | |
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| Vasquez Vargas, Henry Richard | | | 1442 * | PER | 0.00 | 1 | -0.08 | 38 | -3.04 | |
| Del Mar Priale, Rafael | | | 1169 | PER | 1.00 | 1 | 0.67 | 38 | 25.46 | |
| * 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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