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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 |
| 1336 | 1357 | 1.50 | 4 | -0.68 | 21 | -14.28 | |
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 Chesa Horiuchi, Nikolas Gabriel | | | 1114 | PER | 1.00 | 1 | 0.20 | 21 | 4.20 | |
 Caceres Sandoval, Eduardo | | | 1758 | PER | 0.00 | 1 | -0.08 | 21 | -1.68 | |
| Casqui Lopez, Pamela Grace | | | 1118 | PER | 0.50 | 1 | -0.30 | 21 | -6.30 | |
| Cuya Zevallos, Andrew Francisco | | | 1354 | PER | 0.00 | 1 | -0.50 | 21 | -10.50 | |
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 U-2400 Club Hermanos Rojas | Lima | PER | 2022-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1410 | 1357 | 2.00 | 5 | -0.31 | 21 | -6.51 | |
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| Diaz Bermudez, Pedro Teofilo | | | 1266 | PER | 0.00 | 1 | -0.62 | 21 | -13.02 | |
| Garcia Andrada, Heidy Nicole | | wf | 1843 | PER | 0.00 | 1 | -0.04 | 21 | -0.84 | |
| Garay Ramirez, Estefano Javier | | | 1408 | PER | 0.00 | 1 | -0.43 | 21 | -9.03 | |
| Gomez Nunez, Fabian Elmer | | | 1099 | PER | 1.00 | 1 | 0.18 | 21 | 3.78 | |
| Bendezu Yupanqui, Albert Martin | | | 1432 | PER | 1.00 | 1 | 0.60 | 21 | 12.60 | |
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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| II Open IRT U1800 Escuela Trinitaria Deportiva | Lima | PER | 2022-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1357 | 3.50 | 7 | 1.31 | 21 | 27.51 | |
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| Flower Nivin, Cesar Antonio Joaqu | | | 1003 | PER | 1.00 | 1 | 0.11 | 21 | 2.31 | |
| Puga Y Puga, Antonio Nicolas | | | 1725 | PER | 1.00 | 1 | 0.90 | 21 | 18.90 | |
| Orosco Torres, Johann Miguel | | | 1711 | PER | 0.50 | 1 | 0.39 | 21 | 8.19 | |
| Rodriguez Varillas, Abraham Jesus | | | 1783 | PER | 0.00 | 1 | -0.07 | 21 | -1.47 | |
| Pizzardo, Yoel | | | 1664 | PER | 0.50 | 1 | 0.36 | 21 | 7.56 | |
| Saravia, German | | | 1371 | PER | 0.50 | 1 | 0.02 | 21 | 0.42 | |
| Bendezu Yupanqui, Albert Martin | | | 1432 | PER | 0.00 | 1 | -0.40 | 21 | -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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| 3 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1234 | 1360 | 3.50 | 6 | -0.36 | 21 | -7.56 | |
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| Rojas Salas, Rihanna Irina | | | 1058 | PER | 1.00 | 1 | 0.15 | 21 | 3.15 | |
| Ramirez Mori, Jael Eduardo | | | 1015 | PER | 1.00 | 1 | 0.11 | 21 | 2.31 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1403 | PER | 0.50 | 1 | 0.06 | 21 | 1.26 | |
| Vilca Contreras, Dante Ivan | | | 1315 | PER | 0.00 | 1 | -0.56 | 21 | -11.76 | |
| Bendezu Yupanqui, Albert Martin | | | 1505 | PER | 0.00 | 1 | -0.31 | 21 | -6.51 | |
| Jimenez Salas, Fabiana | | | 1109 | PER | 1.00 | 1 | 0.19 | 21 | 3.99 | |
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 |
| 1349 | 1360 | 2.50 | 4 | 0.41 | 21 | 8.61 | |
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| Carbajal Sotomayor, Cesar Stefano | | | 1097 | PER | 1.00 | 1 | 0.18 | 21 | 3.78 | |
| Cardenas Chavez, Victor Manuel | | | 1750 | VEN | 0.00 | 1 | -0.09 | 21 | -1.89 | |
| Rojas Salas, Rihanna Irina | | | 1058 | PER | 1.00 | 1 | 0.15 | 21 | 3.15 | |
| Garay Ramirez, Estefano Javier | | | 1489 | PER | 0.50 | 1 | 0.17 | 21 | 3.57 | |
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 |
| 1303 | 1360 | 4.00 | 6 | 0.49 | 21 | 10.29 | |
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| Reyes Zavaleta, Sergio Gabriel | | | 1103 | PER | 0.50 | 1 | -0.32 | 21 | -6.72 | |
| Vilca Contreras, Dante Ivan | | | 1315 | PER | 0.50 | 1 | -0.06 | 21 | -1.26 | |
| Ramirez Espino, Gian Sandro | | | 1199 | PER | 1.00 | 1 | 0.29 | 21 | 6.09 | |
| Diaz Bermudez, Pedro Teofilo | | | 1336 | PER | 0.00 | 1 | -0.53 | 21 | -11.13 | |
| Cardenas Chavez, Victor Manuel | | | 1750 | VEN | 1.00 | 1 | 0.91 | 21 | 19.11 | |
| Astoyauri De La Cruz, Fernando Is | | | 1116 | PER | 1.00 | 1 | 0.20 | 21 | 4.20 | |
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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