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| VIII Open IRT U-1600 Club Hermanos Rojas | Lima | PER | 2019-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1173 | 1289 | 3.00 | 5 | -0.23 | 38 | -8.74 | |
|
 Bendezu Yupanqui, Albert Martin | | | 1084 | PER | 0.00 | 1 | -0.76 | 38 | -28.88 | |
 Ramirez Mori, Angel Farid | | | 1113 | PER | 1.00 | 1 | 0.27 | 38 | 10.26 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1068 | PER | 1.00 | 1 | 0.22 | 38 | 8.36 | |
| Reyes Zavaleta, Diego Alexander | | | 1358 | PER | 0.00 | 1 | -0.40 | 38 | -15.20 | |
| Ccana Minauro, Wernher Sebastian | | | 1243 | PER | 1.00 | 1 | 0.44 | 38 | 16.72 | |
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 TORNEO IRT DE AJEDREZ "PEON AL PASO" | Lima | PER | 2019-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1735 | 1335 | 0.00 | 2 | -0.16 | 38 | -6.08 | |
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| Pinero Rodriguez, Carlos Jose | m | | 1735 * | VEN | 0.00 | 1 | -0.08 | 38 | -3.04 | |
| Ramos Castro, Aldair | | | 1735 * | PER | 0.00 | 1 | -0.08 | 38 | -3.04 | |
| * 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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| X Festival Panamericano Escolar de las Americas -Colombia 2019- U-9 Absoluto | Medellin | COL | 2019-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1204 | 1335 | 3.50 | 7 | -1.18 | 38 | -44.84 | |
|
| Lopez Escobar, Jose David | | | 1073 | GUA | 1.00 | 1 | 0.18 | 38 | 6.84 | |
| Mandujano Torres, Joseph Jairo Se | | | 1205 | PER | 0.00 | 1 | -0.68 | 38 | -25.84 | |
| Ajahuana Medina, Darien Giambert | | | 1184 | PER | 1.00 | 1 | 0.30 | 38 | 11.40 | |
| Nunez Villavicencio, Mathias Seba | | | 1222 | ECU | 1.00 | 1 | 0.35 | 38 | 13.30 | |
| Montano Velasco, Matias Khaleb | | | 1259 | ECU | 0.00 | 1 | -0.60 | 38 | -22.80 | |
| Ruiz Agudelo, Jeronimo | | | 1361 | COL | 0.50 | 1 | 0.04 | 38 | 1.52 | |
| Portilla Carranza, Matias | | | 1125 | COL | 0.00 | 1 | -0.77 | 38 | -29.26 | |
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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| IX Open IRT U-1600 Club Hermanos Rojas | Lima | PER | 2019-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1227 | 1335 | 3.50 | 4 | 0.96 | 38 | 36.48 | |
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| Pillaca Chumbe, Santiago Moises | | | 1051 | PER | 1.00 | 1 | 0.16 | 38 | 6.08 | |
| Cuya Zevallos, Andrew Francisco | | | 1257 | PER | 1.00 | 1 | 0.39 | 38 | 14.82 | |
| Robles Mamani, Fabio Francisco | | | 1455 | PER | 0.50 | 1 | 0.16 | 38 | 6.08 | |
| Bendezu Yupanqui, Albert Martin | | | 1143 | PER | 1.00 | 1 | 0.25 | 38 | 9.50 | |
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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