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| Campeonato Regional Metropolitano Impar Absoluto Sub 11 2022 | Lima | PER | 2022-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1167 | 1050 | 1.50 | 4 | 0.12 | 26 | 3.12 | |
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 Chinga Gomez, Didier Sebastian | | | 1180 | PER | 1.00 | 1 | 0.68 | 26 | 17.68 | |
 Salas Gonzales, David Ademar | | | 1134 | PER | 0.00 | 1 | -0.38 | 26 | -9.88 | |
| Polo Gonzales, Leandro Joaquim | | | 1291 | PER | 0.50 | 1 | 0.30 | 26 | 7.80 | |
| Gomez Jalixto, Matthew Yahir | | | 1064 | PER | 0.00 | 1 | -0.48 | 26 | -12.48 | |
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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| 9 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1050 | 1.00 | 5 | -0.19 | 26 | -4.94 | |
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| Flores Quispe, Fabricio Alexande | | | 1421 | PER | 0.00 | 1 | -0.10 | 26 | -2.60 | |
| Ccana Minauro, Reiben Andre | | | 1187 | PER | 0.00 | 1 | -0.32 | 26 | -8.32 | |
| Rojas Salas, Rihanna Irina | | | 1245 | PER | 1.00 | 1 | 0.75 | 26 | 19.50 | |
| Minaya Mundines, Pietro Gerardo | | | 1668 | PER | 0.00 | 1 | -0.02 | 26 | -0.52 | |
| Castaneda Huamani, Frank Eder | | | 1052 | PER | 0.00 | 1 | -0.50 | 26 | -13.00 | |
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 Nacional de Ajedrez Impar 2022 Sub 09 Femenino | Lima | PER | 2022-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1207 | 1050 | 0.00 | 2 | -0.59 | 26 | -15.34 | |
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| Mandujano, Alagon Ghaydaa Ceneth | | | 1136 | PER | 0.00 | 1 | -0.38 | 26 | -9.88 | |
| Machacca Mina, Adamaris Luciana | | | 1278 | PER | 0.00 | 1 | -0.21 | 26 | -5.46 | |
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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| 10 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1397 | 1050 | 0.00 | 4 | -0.55 | 26 | -14.30 | |
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| Reyes Zavaleta, Cristhian Yamil | | | 1572 | PER | 0.00 | 1 | -0.03 | 26 | -0.78 | |
| Vilca Contreras, Dante Ivan | | | 1374 | PER | 0.00 | 1 | -0.13 | 26 | -3.38 | |
| Garay Ramirez, Estefano Javier | | | 1450 * | PER | 0.00 | 1 | -0.08 | 26 | -2.08 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1192 | PER | 0.00 | 1 | -0.31 | 26 | -8.06 | |
| * 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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| II Open MF Manuel Gonzalez Bernal "In Memoriam" | Trujillo | PER | 2022-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1050 | 0.50 | 5 | -0.26 | 26 | -6.76 | |
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| Quispe Limo, Josue Arnaldo | | | 1893 | PER | 0.00 | 1 | 0.00 | 26 | 0.00 | |
| Diaz Bermudez, Pedro Teofilo | | | 1386 | PER | 0.50 | 1 | 0.38 | 26 | 9.88 | |
| Obesso Uribe, Juan De Dios Gabrie | | | 1506 | PER | 0.00 | 1 | -0.06 | 26 | -1.56 | |
| Solorzano Roncal, Giordano Caleb | | | 1301 | PER | 0.00 | 1 | -0.19 | 26 | -4.94 | |
| Barbaran Aguilar, Juan Julio | | | 1127 | PER | 0.00 | 1 | -0.39 | 26 | -10.14 | |
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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| 1 Open IRT U1800 Circulo Peruano de Ajedrez | Lima | PER | 2022-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1346 | 1050 | 1.00 | 6 | -0.19 | 26 | -4.94 | |
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| Salazar Flores, Yerick Alexander | | | 1433 | PER | 0.00 | 1 | -0.09 | 26 | -2.34 | |
| Cardenas Huachaca, Alessandro Jai | | | 1289 | PER | 0.00 | 1 | -0.20 | 26 | -5.20 | |
| Casqui Lopez, Marlon Gabriel | | | 1319 | PER | 1.00 | 1 | 0.83 | 26 | 21.58 | |
| Navarro Maldonado, Monica Dayana | | | 1728 | VEN | 0.00 | 1 | -0.01 | 26 | -0.26 | |
| Ccana Minauro, Reiben Andre | | | 1187 | PER | 0.00 | 1 | -0.32 | 26 | -8.32 | |
| Casqui Lopez, Pamela Grace | | | 1120 | PER | 0.00 | 1 | -0.40 | 26 | -10.40 | |
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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