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| Campeonato Nacional Absoluto Sub 20 Peru | Lima | PER | 2022-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1613 | 1467 | 4.00 | 7 | 1.05 | 18 | 18.90 | |
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 Ccerhuayo Escobedo, Mels Leopold | | | 2077 | PER | 0.00 | 1 | -0.02 | 18 | -0.36 | |
 Espichan Serna, Luis Ricardo | | | 1135 | PER | 1.00 | 1 | 0.12 | 18 | 2.16 | |
| Vasquez Vargas, Henry Richard | f | | 2130 | PER | 0.00 | 1 | -0.01 | 18 | -0.18 | |
| Reyes Zavaleta, Fabian Ricardo | | | 2077 | PER | 0.50 | 1 | 0.48 | 18 | 8.64 | |
| Adrian Eguizabal, Anthony Hans | | | 1088 | PER | 1.00 | 1 | 0.09 | 18 | 1.62 | |
| Castaneda Huamani, Frank Eder | | | 1067 * | PER | 1.00 | 1 | 0.08 | 18 | 1.44 | |
| Caceres Sandoval, Eduardo | | | 1717 | PER | 0.50 | 1 | 0.31 | 18 | 5.58 | |
| * 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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| 9 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1320 | 1544 | 5.50 | 8 | -0.52 | 18 | -9.36 | |
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| Castaneda Huamani, Frank Eder | | | 1144 * | PER | 1.00 | 1 | 0.08 | 18 | 1.44 | |
| Rojas Salas, Rihanna Irina | | | 1245 | PER | 1.00 | 1 | 0.15 | 18 | 2.70 | |
| Minaya Mundines, Pietro Gerardo | | | 1668 | PER | 0.00 | 1 | -0.33 | 18 | -5.94 | |
| Flores Quispe, Fabricio Alexande | | | 1421 | PER | 0.50 | 1 | -0.17 | 18 | -3.06 | |
| Julcarima Quispe, Edder Rolando | | | 1131 | PER | 1.00 | 1 | 0.07 | 18 | 1.26 | |
| Lapa Cunias, Marco Antonio | | | 1308 | PER | 0.50 | 1 | -0.30 | 18 | -5.40 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1192 | PER | 1.00 | 1 | 0.11 | 18 | 1.98 | |
| Garay Ramirez, Estefano Javier | | | 1450 | PER | 0.50 | 1 | -0.13 | 18 | -2.34 | |
| * 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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| Campeonato Regional Metropolitano Impar Absoluto Sub 13 2022 | Lima | PER | 2022-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1238 | 1544 | 4.50 | 6 | -0.58 | 18 | -10.44 | |
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| Quispe Bernal, Juan Sebastian | | | 1158 | PER | 1.00 | 1 | 0.09 | 18 | 1.62 | |
| Ramirez Mori, Angel Farid | | | 1231 | PER | 0.50 | 1 | -0.36 | 18 | -6.48 | |
| Ccana Minauro, Wernher Sebastian | | | 1413 | PER | 0.50 | 1 | -0.18 | 18 | -3.24 | |
| Ramirez Espino, Gian Sandro | | | 1265 | PER | 0.50 | 1 | -0.34 | 18 | -6.12 | |
| Valdez Maravi, Angel Yhadiel | | | 1144 * | PER | 1.00 | 1 | 0.08 | 18 | 1.44 | |
| Aranda Romero, Alberto Martin | | | 1219 | PER | 1.00 | 1 | 0.13 | 18 | 2.34 | |
| * 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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| Campeonato Nacional de Ajedrez Impar 2022 Sub 13 Absoluto | Lima | PER | 2022-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1214 | 1544 | 5.50 | 8 | -1.45 | 18 | -26.10 | |
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| Chile Vela, David Leonardo | | | 1223 | PER | 1.00 | 1 | 0.13 | 18 | 2.34 | |
| Levano Loayza, Adriano Jaffet | | | 1180 | PER | 0.50 | 1 | -0.40 | 18 | -7.20 | |
| Robles Cucho, Argen Stefano | | | 1142 | PER | 0.50 | 1 | -0.42 | 18 | -7.56 | |
| Ramirez Espino, Gian Sandro | | | 1265 | PER | 0.50 | 1 | -0.34 | 18 | -6.12 | |
| Anticona Bocanegra, Fabrizio Aaro | | | 1109 | PER | 0.00 | 1 | -0.94 | 18 | -16.92 | |
| Puma Puchoc, Alejandro Apolinar | | | 1144 * | PER | 1.00 | 1 | 0.08 | 18 | 1.44 | |
| Banda Chahuara, Daniel | | | 1345 | PER | 1.00 | 1 | 0.24 | 18 | 4.32 | |
| Luza, Chura Marco Adriano | | | 1300 | PER | 1.00 | 1 | 0.20 | 18 | 3.60 | |
| * 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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| 1 Open IRT U1800 Circulo Peruano de Ajedrez | Lima | PER | 2022-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1255 | 1544 | 5.00 | 8 | -1.68 | 18 | -30.24 | |
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| Casqui Lopez, Pamela Grace | | | 1144 * | PER | 1.00 | 1 | 0.08 | 18 | 1.44 | |
| Cardenas Huachaca, Alessandro Jai | | | 1289 | PER | 1.00 | 1 | 0.19 | 18 | 3.42 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1192 | PER | 0.50 | 1 | -0.39 | 18 | -7.02 | |
| Ccana Minauro, Wernher Sebastian | | | 1413 | PER | 0.00 | 1 | -0.68 | 18 | -12.24 | |
| Rojas Salas, Rihanna Irina | | | 1245 | PER | 0.50 | 1 | -0.35 | 18 | -6.30 | |
| Lapa Cunias, Marco Antonio | | | 1308 | PER | 0.50 | 1 | -0.30 | 18 | -5.40 | |
| Ramirez Espino, Gian Sandro | | | 1265 | PER | 0.50 | 1 | -0.34 | 18 | -6.12 | |
| Ccana Minauro, Reiben Andre | | | 1187 | PER | 1.00 | 1 | 0.11 | 18 | 1.98 | |
| * 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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