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| 5 Open IRT U-2400 Club Hermanos Rojas | Lima | PER | 2022-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1226 | 1107 | 2.50 | 6 | 0.45 | 22 | 9.90 | |
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 Lapa Cunias, Marco Antonio | | | 1289 | PER | 0.00 | 1 | -0.26 | 22 | -5.72 | |
 Espinoza Terrones, Joaquin Oswald | | | 1164 | PER | 1.00 | 1 | 0.58 | 22 | 12.76 | |
| Ramirez Espino, Alessandro | | | 1308 | PER | 0.00 | 1 | -0.24 | 22 | -5.28 | |
| Ramirez Espino, Gian Sandro | | | 1172 | PER | 0.50 | 1 | 0.09 | 22 | 1.98 | |
| Casqui Lopez, Pamela Grace | | | 1118 | PER | 0.50 | 1 | 0.02 | 22 | 0.44 | |
| Coaquira Gonzales, Oscar Adriano | | | 1306 | PER | 0.50 | 1 | 0.26 | 22 | 5.72 | |
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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| 3 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1206 | 1058 | 3.50 | 7 | 1.18 | 22 | 25.96 | |
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| Herrada, Blanco Maria Fernanda | | | 1360 | PER | 0.00 | 1 | -0.15 | 22 | -3.30 | |
| Jimenez Salas, Fabiana | | | 1109 | PER | 1.00 | 1 | 0.57 | 22 | 12.54 | |
| Garay Ramirez, Estefano Javier | | | 1489 | PER | 0.00 | 1 | -0.07 | 22 | -1.54 | |
| Ramirez Mori, Jael Eduardo | | | 1015 | PER | 1.00 | 1 | 0.44 | 22 | 9.68 | |
| Ramirez Mori, Angel Farid | | | 1257 | PER | 0.00 | 1 | -0.24 | 22 | -5.28 | |
| Carbajal Sotomayor, Cesar Stefano | | | 1097 | PER | 1.00 | 1 | 0.55 | 22 | 12.10 | |
| Gallegos Uscamayta, Wilson | | | 1112 | PER | 0.50 | 1 | 0.08 | 22 | 1.76 | |
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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| 4 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1187 | 1058 | 1.00 | 5 | -0.71 | 22 | -15.62 | |
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| Ramirez Espino, Alessandro | | | 1326 | PER | 0.00 | 1 | -0.17 | 22 | -3.74 | |
| Farfan Tipacti, Camilo | | | 1113 | PER | 0.00 | 1 | -0.42 | 22 | -9.24 | |
| Garay Ramirez, Patrick Yosue | | | 1057 | PER | 1.00 | 1 | 0.50 | 22 | 11.00 | |
| Herrada, Blanco Maria Fernanda | | | 1360 | PER | 0.00 | 1 | -0.15 | 22 | -3.30 | |
| Chesa Horiuchi, Nikolas Gabriel | | | 1080 | PER | 0.00 | 1 | -0.47 | 22 | -10.34 | |
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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| 5 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1275 | 1058 | 3.00 | 7 | 1.04 | 22 | 22.88 | |
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| Vilca Contreras, Dante Ivan | | | 1315 | PER | 0.00 | 1 | -0.18 | 22 | -3.96 | |
| Mollo Figueroa, Nicole | | | 1340 | BOL | 1.00 | 1 | 0.84 | 22 | 18.48 | |
| Ramirez Espino, Gian Sandro | | | 1199 | PER | 0.00 | 1 | -0.31 | 22 | -6.82 | |
| Carbajal Sotomayor, Cesar Stefano | | | 1097 | PER | 1.00 | 1 | 0.55 | 22 | 12.10 | |
| Cardenas Chavez, Victor Manuel | | | 1750 | VEN | 0.00 | 1 | -0.01 | 22 | -0.22 | |
| Jimenez Salas, Fabiana | | | 1109 | PER | 1.00 | 1 | 0.57 | 22 | 12.54 | |
| Farfan Tipacti, Camilo | | | 1113 | PER | 0.00 | 1 | -0.42 | 22 | -9.24 | |
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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| 6 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1328 | 1058 | 2.00 | 6 | 0.78 | 22 | 17.16 | |
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| Ramirez Mori, Angel Farid | | | 1257 | PER | 1.00 | 1 | 0.76 | 22 | 16.72 | |
| Villafuerte Mamani, Khalid Stepha | | | 1652 | PER | 0.00 | 1 | -0.02 | 22 | -0.44 | |
| Ramirez Espino, Alessandro | | | 1326 | PER | 1.00 | 1 | 0.83 | 22 | 18.26 | |
| Mollo Figueroa, Nicole | | | 1340 | BOL | 0.00 | 1 | -0.16 | 22 | -3.52 | |
| Ccana Minauro, Reiben Andre | | | 1191 | PER | 0.00 | 1 | -0.32 | 22 | -7.04 | |
| Ramirez Espino, Gian Sandro | | | 1199 | PER | 0.00 | 1 | -0.31 | 22 | -6.82 | |
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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