XXXI Campeonato Estatal Abierto de Ajedrez Ing. Wenceslao Santiago Castro Cat Sub 1900| Organizer(s) | Hernandez Hernandez, Daniel 5158745 |
| Federation | Mexico ( MEX ) |
| Tournament director | Hernandez Hernandez, Daniel 5158745 |
| Chief Arbiter | IA Hernandez Martinez, Jeronimo 5119154 |
| Deputy Chief Arbiter | FA Campos Segura, Oscar Jose 5146763 |
| Time control (Standard) | 60 minutes with 30 second increment from move 1 |
| Location | Casa de Tecolutla, Tecolutla, Veracruz, Mexico |
| Number of rounds | 5 |
| Tournament type | Swiss-System |
| Rating calculation | Rating national |
| Date | 2026/11/28 to 2026/11/29 |
| Rating-Ø / Average age | 1691 / 33 |
| Pairing program | Swiss-Manager from Heinz Herzog, Swiss-Manager tournamentfile |
Last update 02.11.2026 15:04:31, Creator/Last Upload: IA Jeronimo Hernandez (MEX) 5119154
| Tournament selection | ♔ Sub 2400, ♕ Sub 1900, ♖ Sub 20, ♗ Sub 15, ♘ Sub 11 |
| Links | Formulario de Inscripción, Link with tournament calendar |
| Parameters | No tournament details, no flags
, Link with tournament calendar |
| Lists | Starting rank, Alphabetical list, Statistics, Alphabetical list all groups, Playing schedule |
| Top five players, Total statistics |
| Download Files | Bases del torneo (Convocatoria).pdf |
| Excel and Print | Export to Excel (.xlsx), Export to PDF-File, QR-Codes |
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Starting rank
| No. | | | Name | FideID | RtgI | RtgN | Club/City |
| 1 | | AFM | Alva Mahe, Mario Alberto | 5129834 | 1807 | 1826 | Veracruz |
| 2 | | | Mendoza Baltazar, Luis Fernando | 5192862 | 1757 | 1796 | Veracruz |
| 3 | | ACM | Carrera Rodriguez, Jose Luis | 5163790 | 1682 | 1791 | Veracruz |
| 4 | | | Palma Ortiz, Jesus David | 29653380 | 1702 | 1768 | Veracruz |
| 5 | | | Soto Solis, Fernando Isai | 5184185 | 1624 | 1754 | Veracruz |
| 6 | | | Soto Cruz, Luis Erasto | 29625610 | 1675 | 1729 | Veracruz |
| 7 | | AFM | Gaona Hernandez, Zahen Arturo Emm | 5186811 | 1695 | 1728 | Ciudad De Mexico |
| 8 | | | Garcia Flores, Karla Lizbeth | 5184037 | 1583 | 1689 | Veracruz |
| 9 | | | Roman, Espinoza Marco Uriel | | 0 | 1666 | Veracruz |
| 10 | | | Morales, Flores Uriel Vicente | 29677785 | 0 | 1616 | Veracruz |
| 11 | | | Sosa Guzman, Daniel | 550009001 | 1533 | 1533 | Veracruz |
| 12 | | | Barceinas, Lopez Jose Luis | 29602475 | 0 | 1400 | Tlaxcala |
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