The Catalan Under 18 Championship 2023 will take place from 01-06 April 2023 in Tarragona, Spain. The time control 90 minutes plus a 30-second increment starting from move one. The tournament format is 9-round Swiss system.
You can also see Catalan Under 20 Championship 2023 | Catalan Under 16 Championship 2023.
Full list of players :
| No. | Name | RtgI | RtgN | |
| 1 | MK | Alcala Gonzalez, Cesar | 2262 | 2346 |
| 2 | Jimenez Munoz, Nicolas | 2230 | 2327 | |
| 3 | MK | Travesset Sagre, Jan | 2207 | 2379 |
| 4 | FM | Bernado Lopez, Roger | 2203 | 2327 |
| 5 | Roca Planas, Edgar | 2144 | 2377 | |
| 6 | Serrano Batova, Vicent | 2142 | 2239 | |
| 7 | Funes Ostos, Aitor | 2125 | 2214 | |
| 8 | Lemeshev, Ilya | 2088 | 2178 | |
| 9 | Marimon Rubia, Nil | 2035 | 2260 | |
| 10 | Pujol Biosca, Joan | 2024 | 2183 | |
| 11 | Creixans Comerma, Pol | 2008 | 2171 | |
| 12 | Mangues Rubia, Alex | 1987 | 2175 | |
| 13 | Gonzalez Cobos, Arnau | 1979 | 2217 | |
| 14 | Martinez Gamiz, Marc | 1977 | 2220 | |
| 15 | Cervello Navarro, Hector | 1975 | 2200 | |
| 16 | Juncosa Padros, Ernest | 1949 | 2188 | |
| 17 | AFM | Garre Montes, Marc | 1940 | 2062 |
| 18 | Pardina Domenech, Victor | 1919 | 2072 | |
| 19 | Olcina Monells, Jordi | 1896 | 2097 | |
| 20 | Garcia Gil, Oriol | 1887 | 2069 | |
| 21 | Casares Bonals, Ainhoa | 1863 | 2049 | |
| 22 | Jurado Coderch, Heribert | 1846 | 2045 | |
| 23 | ACM | Broadbent Brun, Jensen | 1840 | 2155 |
| 24 | Casares Bonals, Asier | 1840 | 1972 | |
| 25 | Castro Estrella, Joan Gabriel | 1813 | 2008 | |
| 26 | Parra Ordorica, Arnau | 1804 | 2079 | |
| 27 | AFM | Terron Chueco, David | 1796 | 2001 |
| 28 | Nova Sanchez, Victor | 1761 | 1972 | |
| 29 | Torrents Busquet, Foix | 1743 | 1911 | |
| 30 | Villalba Pons, Max | 1731 | 1932 | |
| 31 | Canal Sala, Pau | 1707 | 1968 | |
| 32 | Dominguez Laguna, Didac | 1707 | 1944 | |
| 33 | Serebriakov, Yehor | 1702 | 1785 | |
| 34 | Catalan Monteagudo, Elm | 1691 | 1912 | |
| 35 | Escudero Ribo, Alexia | 1668 | 1932 | |
| 36 | Ribo Irla, Martina | 1651 | 1881 | |
| 37 | Vall Graells, Jordi | 1637 | 1803 | |
| 38 | Padin Jimenez, Oriol | 1613 | 1856 | |
| 39 | Ramirez Cruz, Alberto | 1596 | 1920 | |
| 40 | Chiochia, Daniel | 1589 | 1817 | |
| 41 | Palmer Pifarre, Joaquin | 1567 | 1806 | |
| 42 | Trullols Vizcarra, Eduard | 1511 | 1808 | |
| 43 | Botias Gil, Claudia | 1505 | 1826 | |
| 44 | Tortajada Marti, Pol | 1484 | 1778 | |
| 45 | Farre Ramirez, Mateu | 1482 | 1705 | |
| 46 | Duro Lopez, Hugo | 1405 | 1634 | |
| 47 | Moran Cabezas, Eric | 1401 | 1772 | |
| 48 | Ionescu Ioan, Adrian | 1394 | 1756 | |
| 49 | Climent Gavarrete, Adria | 1342 | 1674 | |
| 50 | Galan Franch, David | 1341 | 1724 | |
| 51 | Casadevall Mainau, Iraida | 1325 | 1526 | |
| 52 | Huerta Llorens, Aleix | 1283 | 1664 | |
| 53 | Huerta Llorens, Oriol | 1194 | 1578 | |
| 54 | Bilbe Altadill, Joel | 0 | 1550 | |
| 55 | Galan Franch, Maria | 0 | 1440 |
