| Jun 27, 2026 | Mitkov | 0–1 | Quirhuayo Chumbe | Round 9: Mitkov, Nikola - Quirhuayo Chumbe, German Gonzalo | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 | |
| Jun 27, 2026 | Cori Quispe | ½–½ | Mitkov | Round 8: Cori Quispe, Kevin Joel - Mitkov, Nikola | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jun 27, 2026 | Mitkov | ½–½ | Martinez Alcantara | Round 7: Mitkov, Nikola - Martinez Alcantara, Jose Eduardo | Sicilian Defense: Closed, Traditional | |
| Jun 27, 2026 | Gemy | 0–1 | Mitkov | Round 6: Gemy, Jose Daniel - Mitkov, Nikola | King's Indian Attack: Keres Variation | |
| Jun 27, 2026 | Mitkov | 1–0 | Szszcpansky Vega | Round 5: Mitkov, Nikola - Szszcpansky Vega, Joshua Isco | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 27, 2026 | Condori | 0–1 | Mitkov | Round 4: Condori, Edwin - Mitkov, Nikola | Queen's Pawn Game: Symmetrical Variation | |
| Jun 27, 2026 | Mitkov | ½–½ | Palomino Quispe | Round 3: Mitkov, Nikola - Palomino Quispe, Mateo Henry | Sicilian Defense: Closed | |
| Jun 27, 2026 | Carmona Carrillo | 0–1 | Mitkov | Round 2: Carmona Carrillo, Carlos Rafael Arcangel - Mitkov, Nikola | Queen's Pawn Game: Torre Attack, Gossip Variation | |
| Jun 27, 2026 | Mitkov | 1–0 | Parra Cabezudo | Round 1: Mitkov, Nikola - Parra Cabezudo, Victor Eduardo | Caro-Kann Defense: Two Knights Attack | |
| Jun 26, 2026 | Fernandez Sanchez | 1–0 | Mitkov | Round 6: Fernandez Sanchez, Fernando Miguel - Mitkov, Nikola | Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation | |
| Jun 26, 2026 | Mitkov | * | Caja Cruz | Round 5: Mitkov, Nikola - Caja Cruz, Gabriel | Scandinavian Defense: Mieses-Kotroc Variation | |
| Jun 26, 2026 | Santiago Vilca | ½–½ | Mitkov | Round 4: Santiago Vilca, Christian Amilca - Mitkov, Nikola | King's Indian Attack: Keres Variation | |
| Jun 26, 2026 | Mitkov | 1–0 | Cahuapaza Tarapaca | Round 3: Mitkov, Nikola - Cahuapaza Tarapaca, Leonardo | Sicilian Defense: Closed | |
| Jun 26, 2026 | Mitkov | 1–0 | Castromonte Alburqueque | Round 2: Mitkov, Nikola - Castromonte Alburqueque, Mateo Santiago | Sicilian Defense: Closed | |
| May 24, 2026 | Karthi | 1–0 | Mitkov | 35th Annual Chicago Open | Queen's Gambit Declined: Queen's Knight Variation | |
| Jan 11, 2026 | Huschenbeth | 0–1 | Mitkov | Tercer Torneo Internacional Club Caissa Guatemala | Italian Game: Paris Defense | |
| Jan 10, 2026 | Morales Carlos | 0–1 | Mitkov | Tercer Torneo Internacional Club Caissa Guatemala | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jan 10, 2026 | Mitkov | 1–0 | Ortez | Tercer Torneo Internacional Club Caissa Guatemala | Sicilian Defense: Closed, Traditional | |
| Jan 9, 2026 | Mitkov | ½–½ | Lopez Fuentes | Tercer Torneo Internacional Club Caissa Guatemala | Vienna Game: Stanley Variation | |
| Jan 9, 2026 | Linares Orellana | ½–½ | Mitkov | Tercer Torneo Internacional Club Caissa Guatemala | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jan 8, 2026 | Garcia | 0–1 | Mitkov | Tercer Torneo Internacional Club Caissa Guatemala | Four Knights Game: Scotch Variation Accepted, Main Line | |
| Jan 8, 2026 | Mitkov | 0–1 | Jacobson | Tercer Torneo Internacional Club Caissa Guatemala | Vienna Game: Stanley Variation | |
| Jan 7, 2026 | Mitkov | 1–0 | Ramirez Marino | Tercer Torneo Internacional Club Caissa Guatemala | Bishop's Opening: Vienna Hybrid | |
| Jan 7, 2026 | Raymundo | 0–1 | Mitkov | Tercer Torneo Internacional Club Caissa Guatemala | Four Knights Game: Scotch Variation Accepted, Main Line | |
| Jan 1, 2026 | Yans Girones | ½–½ | Mitkov | Round 5: Yans Girones - Mitkov, Nikola | Queen's Gambit Declined: Queen's Knight Variation | |
| Jan 1, 2026 | Mitkov | ½–½ | G Peter Arnaudov | Round 4: Mitkov, Nikola - G Peter Arnaudov | Queen's Pawn Game: London System | |
| Jan 1, 2026 | Jasinski | 0–1 | Mitkov | Round 3: Jasinski, Alexander - Mitkov, Nikola | Ruy Lopez: Morphy Defense, Norwegian Variation | |
| Oct 12, 2025 | Mitkov | 1–0 | Cruz Mendez | Round 4: Mitkov, Nikola - Cruz Mendez, Jean Marco | Sicilian Defense: Scheveningen Variation | |
| Oct 9, 2025 | Srivastava | ½–½ | Mitkov | Round 5: Srivastava, Vikram - Mitkov, Nikola | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Oct 9, 2025 | Julio Becerra | ½–½ | Mitkov | Round 3: Julio Becerra - Mitkov, Nikola | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 4, 2025 | Mitkov | ½–½ | Ludwig | Round 5: Mitkov, Nikola - Ludwig, John | Caro-Kann Defense: Two Knights Attack | |
| May 4, 2025 | Slade | 0–1 | Mitkov | Round 4: Slade, Theodore - Mitkov, Nikola | Four Knights Game: Scotch Variation Accepted | |
| May 3, 2025 | Mitkov | ½–½ | Jean Marco Cruz | Round 3: Mitkov, Nikola - Jean Marco Cruz | Sicilian Defense: Scheveningen Variation | |
| Apr 19, 2025 | Quesada Perez | ½–½ | Mitkov | Ronda 9: Quesada Perez, Luis Ernesto - Mitkov, Nikola | Queen's Gambit Declined: Queen's Knight Variation | |
| Apr 18, 2025 | Mitkov | 1–0 | Linares Napoles | Ronda 8: Mitkov, Nikola - Linares Napoles, Oleiny | Pirc Defense | |
| Apr 18, 2025 | Cori Quispe | 1–0 | Mitkov | Ronda 7: Cori Quispe, Kevin Joel - Mitkov, Nikola | Ruy Lopez: Morphy Defense, Arkhangelsk Variation | |
| Apr 17, 2025 | Mitkov | 1–0 | Arribas Robaina | Ronda 5: Mitkov, Nikola - Arribas Robaina, Maritza | Bishop's Opening: Vienna Hybrid | |
| Apr 17, 2025 | Benitez Lozano | 0–1 | Mitkov | Ronda 6: Benitez Lozano, Javier - Mitkov, Nikola | Queen's Gambit Declined: Queen's Knight Variation | |
| Apr 16, 2025 | Mitkov | ½–½ | Campos Jimenez | Ronda 3: Mitkov, Nikola - Campos Jimenez, Augusto Cesar | Bishop's Opening: Vienna Hybrid | |
| Apr 16, 2025 | Lopez Raygoza | ½–½ | Mitkov | Ronda 4: Lopez Raygoza, Luis Alberto - Mitkov, Nikola | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Apr 15, 2025 | Leal Escamilla | 0–1 | Mitkov | Ronda 2: Leal Escamilla, Daniel Zinedine - Mitkov, Nikola | Scotch Game: Potter Variation | |
| Apr 14, 2025 | Mitkov | 1–0 | Castro Esparza | Ronda 1: Mitkov, Nikola - Castro Esparza, Raul | Sicilian Defense: Kan Variation, Knight Variation | |
| Aug 11, 2024 | Garcia de Dios | 0–1 | Mitkov | Ronda 9: Garcia de Dios, Jose Antonio - Mitkov, Nikola | Queen's Gambit Declined | |
| Aug 10, 2024 | Mitkov | 0–1 | Almeida Quintana | Ronda 8: Mitkov, Nikola - Almeida Quintana, Omar | Modern Defense: Standard Defense | |
| Aug 10, 2024 | Gutierrez Perez | 0–1 | Mitkov | Ronda 7: Gutierrez Perez, Fabian - Mitkov, Nikola | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Aug 9, 2024 | Mitkov | 1–0 | Luna Javier | Ronda 6: Mitkov, Nikola - Luna Javier, Edgar Froylan | Sicilian Defense: O'Kelly Variation, Yerevan System | |
| Aug 9, 2024 | Palma Villanueva | 1–0 | Mitkov | Ronda 5: Palma Villanueva, Miguel Tadeo - Mitkov, Nikola | Ruy Lopez: Morphy Defense, Fianchetto Defense Deferred | |
| Aug 8, 2024 | Mitkov | 1–0 | Hernandez Diaz | Ronda 4: Mitkov, Nikola - Hernandez Diaz, Paula Sofia | Sicilian Defense: Closed, Traditional | |
| Aug 8, 2024 | Cori Quispe | 1–0 | Mitkov | Ronda 3: Cori Quispe, Kevin Joel - Mitkov, Nikola | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Mar 31, 2024 | Mitkov | 0–1 | Martin Del Campo Cardenas | Round 9: Mitkov, Nikola - Martin Del Campo Cardenas, Roberto Abel | ? | |
| Mar 30, 2024 | Berdayes Ason | 1–0 | Mitkov | Round 8: Berdayes Ason, Dylan Isidro - Mitkov, Nikola | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Mar 30, 2024 | Mitkov | ½–½ | Hernandez Guerrero | Round 7: Mitkov, Nikola - Hernandez Guerrero, Gilberto | Sicilian Defense: Four Knights Variation | |
| Mar 28, 2024 | Mitkov | 0–1 | Espinosa Veloz | Round 3: Mitkov, Nikola - Espinosa Veloz, Ermes | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Dec 19, 2024 | Mitkov | 1–0 | Mendoza | Round 8: Mitkov, Nikola - Mendoza, Rafael | Four Knights Game | |
| Dec 19, 2024 | Heredia Serrano | 0–1 | Mitkov | Round 9: Heredia Serrano, Carla - Mitkov, Nikola | Scotch Game: Scotch Gambit, Advance Variation | |
| Dec 18, 2024 | Mitkov | 1–0 | Claverie | Round 6: Mitkov, Nikola - Claverie, Raul | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Dec 18, 2024 | Carrillo Parra | 0–1 | Mitkov | Round 7: Carrillo Parra, Miguel Alfredo - Mitkov, Nikola | Nimzo-Indian Defense: Three Knights Variation | |
| Dec 17, 2024 | Mitkov | ½–½ | Romero Barreto | Round 4: Mitkov, Nikola - Romero Barreto, Jaime Jose | Vienna Game: Stanley Variation | |
| Dec 17, 2024 | Barrientos | ½–½ | Mitkov | Round 5: Barrientos, Sergio E - Mitkov, Nikola | Queen's Gambit Declined: Three Knights Variation | |
| Dec 16, 2024 | Mitkov | 1–0 | Mosquera | Round 2: Mitkov, Nikola - Mosquera, Ariday | Bishop's Opening: Vienna Hybrid, Spielmann Attack | |
| Dec 16, 2024 | Acuna | 0–1 | Mitkov | Round 3: Acuna, Nelson David - Mitkov, Nikola | Italian Game: Scotch Gambit, Anderssen Attack | |
| Dec 15, 2024 | Pena De Lima | 0–1 | Mitkov | Round 1: Pena De Lima, Carlos Andres - Mitkov, Nikola | Queen's Pawn Game: Colle System, Anti-Colle | |
| Oct 14, 2024 | Mitkov | 1–0 | Ospina Castro | Round 9: Mitkov, Nikola - Ospina Castro, Santiago | French Defense: Rubinstein Variation, Blackburne Defense | |
| Oct 14, 2024 | Hernandez Montes | 0–1 | Mitkov | Round 8: Hernandez Montes, Jhon Sebastian - Mitkov, Nikola | Queen's Gambit Declined | |
| Oct 13, 2024 | Mitkov | ½–½ | Cordoba Roa | Round 6: Mitkov, Nikola - Cordoba Roa, Angel Gabriel | Indian Defense: London System | |
| Oct 13, 2024 | Mitkov | ½–½ | Arenas | Round 7: Mitkov, Nikola - Arenas, David | Sicilian Defense: Closed | |
| Oct 12, 2024 | Barrientos | ½–½ | Mitkov | Round 4: Barrientos, Sergio E - Mitkov, Nikola | Queen's Pawn Game: London System | |
| Oct 12, 2024 | Mareco | 0–1 | Mitkov | Round 5: Mareco, Sandro - Mitkov, Nikola | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Oct 11, 2024 | Mitkov | 1–0 | Munoz Galvez | Round 3: Mitkov, Nikola - Munoz Galvez, Jhon Edison | Sicilian Defense: Closed | |
| Oct 11, 2024 | Llano Buritica | 0–1 | Mitkov | Round 2: Llano Buritica, Eduardo - Mitkov, Nikola | Queen's Gambit Declined: Queen's Knight Variation | |
| Oct 10, 2024 | Mitkov | 1–0 | Ayala Delgado | Round 1: Mitkov, Nikola - Ayala Delgado, Sergio Alejandro | Vienna Game: Frankenstein-Dracula Variation | |
| Oct 6, 2024 | Mitkov | ½–½ | Girones Barrios | Round 4: Mitkov, Nikola - Girones Barrios, Yans Richard | Bishop's Opening: Vienna Hybrid | |
| Oct 6, 2024 | Zhou | ½–½ | Mitkov | Round 5: Zhou, Jianchao - Mitkov, Nikola | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Oct 5, 2024 | Gao | ½–½ | Mitkov | Round 3: Gao, Marvin - Mitkov, Nikola | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| — | Mitkov | 1–0 | Vega Castaneda | Ronda 1: Mitkov, Nikola - Vega Castaneda, Ulises Antonio | Nimzowitsch Defense: French Connection | |
| — | Mitkov | 1–0 | Miranda Mesa | Ronda 3: Mitkov, Nikola - Miranda Mesa, Elier | Caro-Kann Defense: Maróczy Variation | |
| — | Mitkov | ½–½ | Sandoval Mercado | Ronda 4: Mitkov, Nikola - Sandoval Mercado, Carlos | Sicilian Defense: Closed | |
| — | Mitkov | 0–1 | Cori Quispe | Ronda 7: Mitkov, Nikola - Cori Quispe, Kevin Joel | Sicilian Defense: Closed | |
| — | Mitkov | 1–0 | Esquivel San Agustin | Ronda 9: Mitkov, Nikola - Esquivel San Agustin, Dieg | Sicilian Defense: Closed | |
| — | Lopez Rueda | 0–1 | Mitkov | II Campeonato Nacional e Internacional \"Aguascalietes 2024\" Internacional | Ruy Lopez: Morphy Defense, Fianchetto Defense Deferred | |
| — | Cruz Gomez | 0–1 | Mitkov | Ronda 2: Cruz Gomez, Miguel Angel - Mitkov, Nikola | English Opening: King's English Variation | |
| — | Almeida Quintana | ½–½ | Mitkov | Ronda 5: Almeida Quintana, Omar - Mitkov, Nikola | Queen's Gambit Declined: Ragozin Defense | |
| — | Galaviz Medina | 1–0 | Mitkov | Ronda 6: Galaviz Medina, Sion Radamantys - Mitkov, Nikola | Nimzo-Indian Defense: Rubinstein System | |
| — | Laredo Ruiz | ½–½ | Mitkov | Ronda 8: Laredo Ruiz, Gianny - Mitkov, Nikola | Queen's Pawn Game: Symmetrical Variation | |