| 9 mar 2026 | Grabuzova, Tatiana 2184 | 1-0 | Montero Montero, Juan Jose 1725 | D01 Rapport-Jobava System | Campeonato Individual de Madrid Veteranos 50 2025-2026 Code 438344 | 1 · mesa 5 |
| 17 oct 2025 | Jimenez Martinez, Enrique 1522 | * | Montero Montero, Juan Jose 1755 | D61 Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation | II Open de Ajedrez Ciudad de Tomelloso Sub1800 | 1 · mesa 10 |
| 17 oct 2025 | Montero Montero, Juan Jose 1755 | 0-1 | De Gracia Santaolaya, Christian 1633 | C45 Scotch Game: Blumenfeld Attack | II Open de Ajedrez Ciudad de Tomelloso Sub1800 | 2 · mesa 6 |
| 8 jun 2025 | Montero Montero, Juan Jose 1725 | 0-1 | Martinez Fernandez, Raul 2178 | B51 Sicilian Defense: Moscow Variation | XVI Torneo Ajedrez Ciudad los Angeles – Memorial Francisco Codes | 8 · mesa 1 |
| 1 jun 2025 | Lorenzo Martin, Hector 1925 | 0-1 | Montero Montero, Juan Jose 1725 | A34 English Opening: Symmetrical Variation, Fianchetto Variation | XVI Torneo Ajedrez Ciudad los Angeles – Memorial Francisco Codes | 7 · mesa 4 |
| 25 may 2025 | Montero Montero, Juan Jose 1725 | ½-½ | Arias Martinez, Ivan 1893 | B07 Pirc Defense: 150 Attack | XVI Torneo Ajedrez Ciudad los Angeles – Memorial Francisco Codes | 6 · mesa 5 |
| 18 may 2025 | De Vicente Guijarro, Juan 1912 | 0-1 | Montero Montero, Juan Jose 1725 | B02 Alekhine Defense: Scandinavian Variation | XVI Torneo Ajedrez Ciudad los Angeles – Memorial Francisco Codes | 5 · mesa 8 |
| 11 may 2025 | Montero Montero, Juan Jose 1725 | ½-½ | Mejias Gonzalez, Pedro 1685 | B01 Scandinavian Defense: Icelandic-Palme Gambit | XVI Torneo Ajedrez Ciudad los Angeles – Memorial Francisco Codes | 4 · mesa 8 |
| 27 abr 2025 | Anton Sanz, Jose Carlos 1638 | 0-1 | Montero Montero, Juan Jose 1725 | A46 Yusupov-Rubinstein System | XVI Torneo Ajedrez Ciudad los Angeles – Memorial Francisco Codes | 3 · mesa 10 |
| 13 abr 2025 | Montero Montero, Juan Jose 1725 | 0-1 | Marcos Herrero, Francisco 1863 | A01 Nimzo-Larsen Attack: Classical Variation | XVI Torneo Ajedrez Ciudad los Angeles – Memorial Francisco Codes | 2 · mesa 3 |
| 6 abr 2025 | Ramirez Nebot, Eneas 1536 | 0-1 | Montero Montero, Juan Jose 1725 | B07 Pirc Defense | XVI Torneo Ajedrez Ciudad los Angeles – Memorial Francisco Codes | 1 · mesa 18 |
| 18 mar 2025 | Montero Montero, Juan Jose 1737 | 0-1 | Menendez Domens, Juan Manuel 1630 | C45 Scotch Game: Blumenfeld Attack | Campeonato Individual para Veteranos 50 de Madrid 2024-2025 | 7 · mesa 31 |
| 17 mar 2025 | Herrero Reques, Sergio 1982 | 1-0 | Montero Montero, Juan Jose 1737 | E04 Catalan Opening: Open Defense | Campeonato Individual para Veteranos 50 de Madrid 2024-2025 | 6 · mesa 23 |
| 14 mar 2025 | Montero Montero, Juan Jose 1737 | 0-1 | De la Orden Alcocer, Alejandro 1898 | B12 Caro-Kann Defense | Campeonato Individual para Veteranos 50 de Madrid 2024-2025 | 5 · mesa 18 |
| 13 mar 2025 | Montero Montero, Juan Jose 1737 | ½-½ | Perez Hernandez, Alfonso 1810 | B33 Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation | Campeonato Individual para Veteranos 50 de Madrid 2024-2025 | 4 · mesa 22 |
| 12 mar 2025 | Vazquez Gonzalez, Jesus 1904 | ½-½ | Montero Montero, Juan Jose 1737 | B02 Alekhine Defense: Scandinavian Variation | Campeonato Individual para Veteranos 50 de Madrid 2024-2025 | 3 · mesa 16 |
| 11 mar 2025 | Montero Montero, Juan Jose 1737 | 1-0 | Vallespin Morales, Antonio 1570 | B42 Sicilian Defense: Kan Variation, Modern Variation | Campeonato Individual para Veteranos 50 de Madrid 2024-2025 | 2 · mesa 37 |
| 10 mar 2025 | Lopez de Turiso Sanchez, Jose An 1953 | 1-0 | Montero Montero, Juan Jose 1737 | E30 Nimzo-Indian Defense: Leningrad Variation | Campeonato Individual para Veteranos 50 de Madrid 2024-2025 | 1 · mesa 14 |
| 10 nov 2024 | Montero Montero, Juan Jose 1713 | 0-1 | Perez Alvarez, Eduardo 1847 | A01 Nimzo-Larsen Attack: Indian Variation | XII Open de Otoño CCC 2024 | 9 · mesa 3 |
| 3 nov 2024 | Muradova Yudaeva, Nelli 1834 | 0-1 | Montero Montero, Juan Jose 1713 | E11 Bogo-Indian Defense: Exchange Variation | XII Open de Otoño CCC 2024 | 8 · mesa 7 |
| 20 oct 2024 | Montero Montero, Juan Jose 1713 | 0-1 | Minguez Greciano, Iluminada 1870 | B19 Caro-Kann Defense: Classical Variation, Spassky Variation | XII Open de Otoño CCC 2024 | 6 · mesa 4 |
| 13 oct 2024 | De Diego Ferrer, Emilio 1874 | ½-½ | Montero Montero, Juan Jose 1713 | A34 English Opening: Symmetrical Variation, Fianchetto Variation | XII Open de Otoño CCC 2024 | 5 · mesa 4 |
| 6 oct 2024 | Montero Montero, Juan Jose 1713 | 1-0 | Olmedo Camacho, Jose 1745 | C45 Scotch Game: Blumenfeld Attack | XII Open de Otoño CCC 2024 | 4 · mesa 6 |
| 29 sept 2024 | Pena Hernandez, Francisco Javier 1893 | ½-½ | Montero Montero, Juan Jose 1713 | E21 Nimzo-Indian Defense: Three Knights Variation | XII Open de Otoño CCC 2024 | 3 · mesa 3 |
| 22 sept 2024 | Montero Montero, Juan Jose 1713 | ½-½ | Olmedo Aznar, Eduardo 1879 | B52 Sicilian Defense: Moscow Variation, Sokolsky Variation | XII Open de Otoño CCC 2024 | 2 · mesa 5 |
| 15 sept 2024 | Martell Munoz, Daniel | 0-1 | Montero Montero, Juan Jose 1713 | B02 Alekhine Defense: Scandinavian Variation | XII Open de Otoño CCC 2024 | 1 · mesa 17 |
| 9 jun 2024 | Montero Montero, Juan Jose 1727 | 1-0 | Ramirez Ossa, Hector 1557 | C02 French Defense: Advance Variation, Milner-Barry Gambit | XV Open Ciudad los Angeles Memorial Francisco Codes | 9 · mesa 19 |
| 2 jun 2024 | Alarcon Alarcon, Elvis Eduardo 1653 | 1-0 | Montero Montero, Juan Jose 1727 | B02 Alekhine Defense: Two Pawns Attack | XV Open Ciudad los Angeles Memorial Francisco Codes | 8 · mesa 16 |
| 26 may 2024 | Montero Montero, Juan Jose 1727 | ½-½ | Mejias Gonzalez, Pedro 1697 | B01 Scandinavian Defense: Icelandic-Palme Gambit | XV Open Ciudad los Angeles Memorial Francisco Codes | 7 · mesa 10 |
| 19 may 2024 | Aldea Moreno, Marina 1767 | 1-0 | Montero Montero, Juan Jose 1727 | B22 Sicilian Defense: Alapin Variation | XV Open Ciudad los Angeles Memorial Francisco Codes | 6 · mesa 10 |
| 13 may 2024 | Montero Montero, Juan Jose 1727 | 1-0 | Rodriguez Dominguez, Julia 1673 | B40 Sicilian Defense: French Variation, Westerinen Attack | XV Open Ciudad los Angeles Memorial Francisco Codes | 5 · mesa 16 |
| 1 may 2024 | Ramos Antona, Enrique 1737 | ½-½ | Montero Montero, Juan Jose 1727 | E15 Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | XV Open Ciudad los Angeles Memorial Francisco Codes | 4 · mesa 14 |
| 21 abr 2024 | Montero Montero, Juan Jose 1727 | 1-0 | Iturrizaga Ramirez, Eduardo Robe 1591 | B52 Sicilian Defense: Moscow Variation, Main Line | XV Open Ciudad los Angeles Memorial Francisco Codes | 3 · mesa 20 |
| 14 abr 2024 | Perez Segovia, Marcos 1668 | 1-0 | Montero Montero, Juan Jose 1727 | A30 English Opening: Symmetrical Variation, Hedgehog Defense | XV Open Ciudad los Angeles Memorial Francisco Codes | 2 · mesa 17 |
| 8 abr 2024 | Montero Montero, Juan Jose 1727 | 0-1 | Martinez Fernandez, Raul 2157 | C45 Scotch Game: Schmidt Variation | XV Open Ciudad los Angeles Memorial Francisco Codes | 1 · mesa 2 |
| 21 mar 2024 | Montero Montero, Juan Jose 1779 | 0-1 | Martin-Consuegra Barrilero, Javi 1825 | A01 Nimzo-Larsen Attack: Modern Variation | Campeonato de Veteranos de Madrid | 9 · mesa 29 |
| 20 mar 2024 | Vukotic Jovsic, Dragan 1882 | 1-0 | Montero Montero, Juan Jose 1779 | A48 London System, with Be2 | Campeonato de Veteranos de Madrid | 8 · mesa 28 |
| 19 mar 2024 | Montero Montero, Juan Jose 1779 | ½-½ | Vasquez Escobar, Andres Eloy 1626 | B10 Caro-Kann Defense | Campeonato de Veteranos de Madrid | 7 · mesa 29 |
| 18 mar 2024 | Hortelano Hap, Ramon 1680 | ½-½ | Montero Montero, Juan Jose 1779 | A40 English Defense | Campeonato de Veteranos de Madrid | 6 · mesa 31 |
| 15 mar 2024 | Montero Montero, Juan Jose 1779 | 1-0 | Conchillo Roman, Jose Ignacio 1718 | B52 Sicilian Defense: Moscow Variation, Main Line | Campeonato de Veteranos de Madrid | 5 · mesa 35 |
| 14 mar 2024 | Jimenez Ascarza, Jose Ignacio 1755 | 1-0 | Montero Montero, Juan Jose 1779 | B03 Alekhine Defense: Exchange Variation | Campeonato de Veteranos de Madrid | 4 · mesa 35 |
| 13 mar 2024 | Montero Montero, Juan Jose 1779 | ½-½ | Ortega Molina, Tomas 1716 | B51 Sicilian Defense: Moscow Variation | Campeonato de Veteranos de Madrid | 3 · mesa 32 |
| 12 mar 2024 | Saflekos, Apostolos 1639 | 1-0 | Montero Montero, Juan Jose 1779 | B03 Alekhine Defense | Campeonato de Veteranos de Madrid | 2 · mesa 35 |
| 11 mar 2024 | Montero Montero, Juan Jose 1779 | 0-1 | Quintero Torres, Pedro 1948 | B10 Caro-Kann Defense | Campeonato de Veteranos de Madrid | 1 · mesa 14 |
| 5 nov 2023 | Ezcurra Garzo, Adrian 1282 | 1-0 | Montero Montero, Juan Jose 1652 | B03 Alekhine Defense: Exchange Variation, Voronezh Variation | 38 Torneo Otono CCC 2023 | 9 · mesa 7 |
| 29 oct 2023 | Montero Montero, Juan Jose 1652 | ½-½ | Carrera Mellado, Sergio 1500 | B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | 38 Torneo Otono CCC 2023 | 8 · mesa 6 |
| 22 oct 2023 | Serrano Martinez, Francisco Jose 1804 | ½-½ | Montero Montero, Juan Jose 1652 | A21 English Opening: King's English Variation, Reversed Sicilian | 38 Torneo Otono CCC 2023 | 7 · mesa 8 |
| 15 oct 2023 | Montero Montero, Juan Jose 1652 | 0-1 | Lopez Perolio, Jorge 1849 | B52 Sicilian Defense: Moscow Variation, Main Line | 38 Torneo Otono CCC 2023 | 6 · mesa 4 |
| 8 oct 2023 | De Diego Ferrer, Emilio 1825 | ½-½ | Montero Montero, Juan Jose 1652 | A22 English Opening: King's English Variation, Two Knights Variation | 38 Torneo Otono CCC 2023 | 5 · mesa 4 |
| 1 oct 2023 | Montero Montero, Juan Jose 1652 | 1-0 | Anton Ortiz, Carlos 1608 | B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 38 Torneo Otono CCC 2023 | 4 · mesa 8 |