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| 2 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1415 | 1509 | 3.00 | 6 | -0.69 | 22 | -15.18 | |
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 Gallegos Uscamayta, Wilson | | | 1112 | PER | 0.50 | 1 | -0.42 | 22 | -9.24 | |
| Bendezu Yupanqui, Albert Martin | | | 1627 | PER | 0.50 | 1 | 0.16 | 22 | 3.52 | |
 Ccerhuayo Escobedo, Mels Leopold | | | 1981 | PER | 0.00 | 1 | -0.05 | 22 | -1.10 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1258 | PER | 0.50 | 1 | -0.31 | 22 | -6.82 | |
| Ccana Minauro, Wernher Sebastian | | | 1390 | PER | 0.50 | 1 | -0.16 | 22 | -3.52 | |
| Carbajal Sotomayor, Cesar Stefano | | | 1122 | PER | 1.00 | 1 | 0.09 | 22 | 1.98 | |
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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| V Torneo IRT Clasico Sub 2400 "Colegio Santisima Trinidad" | Lima | PER | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1664 | 1509 | 1.50 | 4 | -0.02 | 22 | -0.44 | |
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| Araoz Andrade, Ivan Alexander | | | 1995 | PER | 0.00 | 1 | -0.04 | 22 | -0.88 | |
| Meneses Morales, Marcos Beltran | | | 1237 | PER | 1.00 | 1 | 0.17 | 22 | 3.74 | |
| Jimenez Salas, Maria Teresa | | | 1996 | PER | 0.00 | 1 | -0.04 | 22 | -0.88 | |
| Ponciano Madueno, Luis Felipe | | | 1427 | PER | 0.50 | 1 | -0.11 | 22 | -2.42 | |
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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| IRT CERRADO CLASICO SUB 1600 "CASA DEL AJEDREZ" | Lima | PER | 2023-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1372 | 1378 | 4.50 | 7 | 0.95 | 22 | 20.90 | |
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| Fernandez Monteza, Fabian Arturo | | | 1325 | PER | 1.00 | 1 | 0.43 | 22 | 9.46 | |
| Ramirez Espino, Gian Sandro | | | 1265 | PER | 0.50 | 1 | -0.15 | 22 | -3.30 | |
| Paredes Minaya, Crhistian Jesus | | | 1237 | PER | 0.00 | 1 | -0.69 | 22 | -15.18 | |
| Llanto Llacsa, Yaden Wilden | | | 1555 | PER | 0.50 | 1 | 0.23 | 22 | 5.06 | |
| Cervantes Santa Cruz, Miguel Andr | | | 1517 | PER | 1.00 | 1 | 0.69 | 22 | 15.18 | |
| Torres Ccahuay, Dayana Nievevska | | | 1477 | PER | 1.00 | 1 | 0.64 | 22 | 14.08 | |
| Paz Neyra, Eduardo Gabriel | | | 1225 | PER | 0.50 | 1 | -0.20 | 22 | -4.40 | |
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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| Campeonato Nacional Absoluto Sub 20 2023 | Lima | PER | 2023-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1378 | 3.00 | 7 | 1.35 | 22 | 29.70 | |
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| Sinti Pio, Jesus Moises | | | 1939 | PER | 0.00 | 1 | -0.02 | 22 | -0.44 | |
| Parra Gonzales, Andre Leonardo | | | 1860 | PER | 0.50 | 1 | 0.45 | 22 | 9.90 | |
| Maravi, Jon | | | 1801 | PER | 0.50 | 1 | 0.43 | 22 | 9.46 | |
| Acuna Alarcon, Claudia Micaela | | | 1460 | PER | 0.00 | 1 | -0.39 | 22 | -8.58 | |
| Ricaldi Ramos, Jim Sebastian | | | 1257 | PER | 1.00 | 1 | 0.34 | 22 | 7.48 | |
| Gonzalo Garate, Luis Valentino | | | 1522 | PER | 1.00 | 1 | 0.69 | 22 | 15.18 | |
| Salazar Flores, Yerick Alexander | | | 1679 | PER | 0.00 | 1 | -0.15 | 22 | -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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| XI IRT Hibrido del Sur 2023-Sub 1800 | Caracas- Pampatar-Lima-Panama-Puerto Espana-Bridgetown- Chiriqui | VEN | 2023-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1522 | 1378 | 4.50 | 7 | 2.34 | 22 | 51.48 | |
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| Silva Mago, Alvaro Francisco | | | 1581 | VEN | 1.00 | 1 | 0.76 | 22 | 16.72 | |
| Cortes Franco, Adrian Ignacio | | | 1485 | PAN | 0.00 | 1 | -0.35 | 22 | -7.70 | |
| Rondon Mendez, Eleguanyer David | | | 1479 | VEN | 1.00 | 1 | 0.64 | 22 | 14.08 | |
| Rojas Vallenilla, Juan Alberto | | | 1473 | VEN | 0.50 | 1 | 0.13 | 22 | 2.86 | |
| La Touche, Cyprian | | | 1478 | BAR | 1.00 | 1 | 0.64 | 22 | 14.08 | |
| Wilson, Louis | | | 1562 | BAR | 0.50 | 1 | 0.24 | 22 | 5.28 | |
| Wilson, Hannah | | | 1595 | BAR | 0.50 | 1 | 0.28 | 22 | 6.16 | |
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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