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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 |
| 1651 | 1473 | 3.00 | 6 | 0.93 | 23 | 21.39 | |
|
 Reyes Zavaleta, Fabian Ricardo | | | 2026 | PER | 0.00 | 1 | -0.03 | 23 | -0.69 | |
 Carbajal Sotomayor, Cesar Stefano | | | 1122 | PER | 1.00 | 1 | 0.11 | 23 | 2.53 | |
| Parra Cabezudo, Victor Eduardo | | | 1297 | PER | 0.50 | 1 | -0.23 | 23 | -5.29 | |
| Bendezu Yupanqui, Albert Martin | | | 1627 | PER | 0.50 | 1 | 0.21 | 23 | 4.83 | |
| Anamaria Estrada, Franco | | | 1837 | PER | 0.50 | 1 | 0.40 | 23 | 9.20 | |
| Jimenez Salas, Maria Teresa | | | 1996 | PER | 0.50 | 1 | 0.47 | 23 | 10.81 | |
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 |
| 1494 | 1473 | 2.50 | 5 | -0.13 | 23 | -2.99 | |
|
| Reyes Zavaleta, Fabian Ricardo | | | 2026 | PER | 0.00 | 1 | -0.03 | 23 | -0.69 | |
| Paz Neyra, Eduardo Gabriel | | | 1149 | PER | 1.00 | 1 | 0.13 | 23 | 2.99 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1258 | PER | 0.50 | 1 | -0.27 | 23 | -6.21 | |
| Villaverde Salas, Gonzalo Matias | | | 1086 | PER | 1.00 | 1 | 0.09 | 23 | 2.07 | |
| Garcia Andrada, Heidy Nicole | | wf | 1951 | PER | 0.00 | 1 | -0.05 | 23 | -1.15 | |
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 |
| 1388 | 1265 | 4.00 | 7 | 1.55 | 23 | 35.65 | |
|
| Torres Ccahuay, Dayana Nievevska | | | 1477 | PER | 0.50 | 1 | 0.27 | 23 | 6.21 | |
| Ramirez Espino, Alessandro | | | 1378 | PER | 0.50 | 1 | 0.15 | 23 | 3.45 | |
| Fernandez Monteza, Fabian Arturo | | | 1325 | PER | 1.00 | 1 | 0.58 | 23 | 13.34 | |
| Paz Neyra, Eduardo Gabriel | | | 1225 | PER | 0.50 | 1 | -0.06 | 23 | -1.38 | |
| Paredes Minaya, Crhistian Jesus | | | 1237 | PER | 0.00 | 1 | -0.54 | 23 | -12.42 | |
| Llanto Llacsa, Yaden Wilden | | | 1555 | PER | 1.00 | 1 | 0.84 | 23 | 19.32 | |
| Cervantes Santa Cruz, Miguel Andr | | | 1517 | PER | 0.50 | 1 | 0.31 | 23 | 7.13 | |
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 |
| 1634 | 1265 | 3.00 | 7 | 1.65 | 23 | 37.95 | |
|
| Ccerhuayo Escobedo, Mels Leopold | | | 1981 | PER | 0.00 | 1 | -0.01 | 23 | -0.23 | |
| Pinto Vera, Jesus Nabih | | | 1011 | PER | 1.00 | 1 | 0.19 | 23 | 4.37 | |
| Garay Ramirez, Estefano Javier | | | 1627 | PER | 0.50 | 1 | 0.40 | 23 | 9.20 | |
| Ramirez Mori, Angel Farid | | | 1398 | PER | 1.00 | 1 | 0.68 | 23 | 15.64 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1745 | PER | 0.50 | 1 | 0.45 | 23 | 10.35 | |
| Reyes Zavaleta, Diego Alexander | | | 1736 | PER | 0.00 | 1 | -0.05 | 23 | -1.15 | |
| Sinti Pio, Jesus Moises | | | 1939 | PER | 0.00 | 1 | -0.01 | 23 | -0.23 | |
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 1400 | Caracas-Pampatar-Lima-Panama-Puerto Espana-Bridgetown- Chiriqui | VEN | 2023-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1320 | 1265 | 2.50 | 5 | 0.37 | 23 | 8.51 | |
|
| Cardenas Huachaca, Alessandro Jai | | | 1370 | PER | 0.50 | 1 | 0.14 | 23 | 3.22 | |
| Haynes, Anthony Trevor | | | 1303 | TTO | 0.00 | 1 | -0.45 | 23 | -10.35 | |
| Marin Garcia, Emiliano Alonzo | | | 1308 | PAN | 0.50 | 1 | 0.06 | 23 | 1.38 | |
| Rodriguez Gomez, Alfonso David | | | 1267 | VEN | 1.00 | 1 | 0.50 | 23 | 11.50 | |
| Reifer-Belle, Chanon | | | 1352 | BAR | 0.50 | 1 | 0.12 | 23 | 2.76 | |
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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