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| TORNEO IRT CLASICO PREPARACION AL NACIONAL 2023 SUB 1800 | Lima | PER | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1238 | 1.50 | 4 | -0.03 | 30 | -0.90 | |
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 Alvarado Mendoza, Juan Jose | | | 1715 | PER | 0.00 | 1 | -0.05 | 30 | -1.50 | |
| Benito Arotoma, Antonio Leonel | | | 1068 | PER | 0.50 | 1 | -0.22 | 30 | -6.60 | |
 Cuellar Aguirre, Andres Santiago | | | 1138 | PER | 1.00 | 1 | 0.36 | 30 | 10.80 | |
| Puente Arana, Oscar | | | 1582 | PER | 0.00 | 1 | -0.12 | 30 | -3.60 | |
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 Festival Internacional de Ajedrez Claretiano 2023 Sub - 16 | Lima | PER | 2023-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1238 | 2.00 | 5 | 0.41 | 30 | 12.30 | |
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| Ortiz Menacho, Sebastian Alonso | | | 1478 | PER | 0.00 | 1 | -0.20 | 30 | -6.00 | |
| Calcina Arroyo, Richard Antonio A | | | 1415 | PER | 0.50 | 1 | 0.23 | 30 | 6.90 | |
| Solorzano Roncal, Giordano Caleb | | | 1500 | PER | 0.50 | 1 | 0.32 | 30 | 9.60 | |
| Barrantes Cueva, Diego | | | 1460 | PER | 0.00 | 1 | -0.22 | 30 | -6.60 | |
| Ayala Aranibar, Adrian Alexander | | | 1068 | PER | 1.00 | 1 | 0.28 | 30 | 8.40 | |
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 FESTIVAL DE AJEDREZ IRTS CLASICOS RENE DESCARTES SUB 1400 | Lima | PER | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1255 | 1247 | 2.50 | 5 | 0.06 | 30 | 1.80 | |
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| Salas Gonzales, David Ademar | | | 1356 | PER | 0.00 | 1 | -0.35 | 30 | -10.50 | |
| Nole Alvarez, Antuannet Huguette | | | 1209 | PER | 1.00 | 1 | 0.45 | 30 | 13.50 | |
| Torres Salazar, Jhon Hollsen | | | 1318 | PER | 0.00 | 1 | -0.40 | 30 | -12.00 | |
| Suarez Chavez, Alejandro | | | 1229 | PER | 1.00 | 1 | 0.47 | 30 | 14.10 | |
| Meneses Morales, Marcos Beltran | | | 1165 | PER | 0.50 | 1 | -0.11 | 30 | -3.30 | |
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 Regional de Ajedrez Metropolitano Impar Sub 13 Absoluto | Lima | PER | 2023-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1146 | 1247 | 2.00 | 4 | -0.52 | 30 | -15.60 | |
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| Levano Loayza, Adriano Jaffet | | | 1404 | PER | 0.00 | 1 | -0.29 | 30 | -8.70 | |
| Gomez Bolivar, Angelo Valentino | | | 1010 | PER | 1.00 | 1 | 0.20 | 30 | 6.00 | |
| Marcelo Poma, Jaden Eduardo | | | 1068 | PER | 0.00 | 1 | -0.73 | 30 | -21.90 | |
| Callupe Matias, Obed Esteban | | | 1100 | PER | 1.00 | 1 | 0.30 | 30 | 9.00 | |
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 Regional de Ajedrez Metropolitano Impar Sub 15 Absoluto | Lima | PER | 2023-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1295 | 1247 | 2.50 | 5 | 0.19 | 30 | 5.70 | |
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| Bendezu Yupanqui, Albert Martin | | | 1701 | PER | 0.00 | 1 | -0.06 | 30 | -1.80 | |
| Raez Nunez, Sebastian Alonso | | | 1022 | PER | 1.00 | 1 | 0.22 | 30 | 6.60 | |
| Canahua Supo, Rodrigo Jose | | | 1078 | PER | 0.50 | 1 | -0.22 | 30 | -6.60 | |
| Huertas Poma, Adrian Antonio | | | 1363 | PER | 0.00 | 1 | -0.34 | 30 | -10.20 | |
| Mendoza Galindo, Rodrigo Mateo | | | 1309 | PER | 1.00 | 1 | 0.59 | 30 | 17.70 | |
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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