| May 10, 2026 | Nikolov | 0–1 | Nastore | Round 9: Nikolov, Momchil - Nastore, Pavel-Alexandru | Benoni Defense: Classical Variation, New York Variation | |
| May 10, 2026 | Cosman | 0–1 | Nikolov | Round 8: Cosman, Andreea-Marioara - Nikolov, Momchil | English Opening: Symmetrical Variation | |
| May 10, 2026 | Serban | 1–0 | Nikolov | Round 6: Serban, Cristian-Stefan - Nikolov, Momchil | Bogo-Indian Defense: Grünfeld Variation | |
| May 10, 2026 | Nikolov | * | Pirvulescu | Round 5: Nikolov, Momchil - Pirvulescu, Ekaterina | ? | |
| May 9, 2026 | Calugareanu | 1–0 | Nikolov | Round 2: Calugareanu, Ioana-Denisa - Nikolov, Momchil | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| May 9, 2026 | Nikolov | 1–0 | Soltuz-Grosu | Round 1: Nikolov, Momchil - Soltuz-Grosu, Roland-Vladimir | Slav Defense: Schlechter Variation | |
| Apr 19, 2026 | Moor | ½–½ | Nikolov | Round 9: Moor, Roger - Nikolov, Momchil | Réti Opening: Anglo-Slav Variation, with g3 | |
| Apr 18, 2026 | Nikolov | ½–½ | Postny | Round 8: Nikolov, Momchil - Postny, Evgeny | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Apr 17, 2026 | Nikolov | ½–½ | Harutjunyan | Round 7: Nikolov, Momchil - Harutjunyan, Gevorg | King's Indian Defense: Makogonov Variation | |
| Apr 16, 2026 | Harikrishnan.A.Ra | ½–½ | Nikolov | Round 6: Harikrishnan.A.Ra - Nikolov, Momchil | Indian Defense: London System | |
| Apr 16, 2026 | Lu | ½–½ | Nikolov | Round 5: Lu, Miaoyi - Nikolov, Momchil | Four Knights Game: Spanish Variation, Rubinstein Variation, Henneberger Variation | |
| Apr 15, 2026 | Nikolov | 1–0 | Ilic | Round 4: Nikolov, Momchil - Ilic, Zoran S | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Apr 14, 2026 | Reprintsev | ½–½ | Nikolov | Round 3: Reprintsev, Alexander - Nikolov, Momchil | Four Knights Game: Scotch Variation Accepted | |
| Apr 14, 2026 | Nikolov | 1–0 | O`cuilleanain | Round 2: Nikolov, Momchil - O`cuilleanain, Oisin | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Apr 13, 2026 | Ethelontis | 0–1 | Nikolov | Round 1: Ethelontis, Alexandros N - Nikolov, Momchil | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Apr 9, 2026 | Hamitevici | ½–½ | Nikolov | 5th \"Mikis Theodorakis\" International Tournament 2026 | English Opening: Anglo-Indian Defense | |
| Apr 8, 2026 | Nikolov | 1–0 | Marinakis | 5th Mikis Theodorakis 2026 | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Apr 6, 2026 | Naoum | ½–½ | Nikolov | 5th Mikis Theodorakis 2026 | Nimzo-Indian Defense: Kmoch Variation | |
| Apr 6, 2026 | Nikolov | ½–½ | Nevednichy | 5th Mikis Theodorakis 2026 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 6, 2026 | Holm | ½–½ | Nikolov | 5th Mikis Theodorakis 2026 | English Opening: Anglo-Indian Defense | |
| Apr 4, 2026 | Tragoudaras | 0–1 | Nikolov | 5th Mikis Theodorakis | ? | |
| Apr 4, 2026 | Nikolov | 1–0 | Kazakos | 5th Mikis Theodorakis | Benko Gambit Accepted: Fully Accepted Variation | |
| Apr 4, 2026 | Nikolov | 1–0 | Benakis | 4th Mikis Theodorakis 2026 | King's Indian Defense: Sämisch Variation, Normal Defense | |
| Apr 2, 2026 | Nikolov | ½–½ | Harikrishnan.A.Ra | 5th Mikis Theodorakis 2026 | Slav Defense: Exchange Variation | |
| Nov 27, 2025 | Uritsky | 0–1 | Nikolov | Round 9: Uritsky, Yonathan - Nikolov, Momchil | Sicilian Defense: French Variation | |
| Nov 27, 2025 | Nikolov | 1–0 | Harikrishnan.A.Ra | Round 8: Nikolov, Momchil - Harikrishnan.A.Ra | Slav Defense: Czech Variation, Carlsbad Variation, Morozevich Variation | |
| Nov 27, 2025 | Nikolov | 1–0 | Tzidkiya | Round 7: Nikolov, Momchil - Tzidkiya, Yeshaayahu | King's Indian Defense: Sämisch Variation | |
| Nov 27, 2025 | Levin | ½–½ | Nikolov | Round 6: Levin, Guy - Nikolov, Momchil | Petrov's Defense: Damiano Variation, Kholmov Gambit | |
| Nov 26, 2025 | Nikolov | ½–½ | Sherman | Round 5: Nikolov, Momchil - Sherman, Raem | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Nov 26, 2025 | Gruenfeld | 0–1 | Nikolov | Round 4: Gruenfeld, Yehuda - Nikolov, Momchil | Sicilian Defense: French Variation | |
| Nov 26, 2025 | Nikolov | 1–0 | Hari Madhavan N B | Round 3: Nikolov, Momchil - Hari Madhavan N B | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Nov 26, 2025 | Tsafrir | 0–1 | Nikolov | Round 2: Tsafrir, Itay - Nikolov, Momchil | Trompowsky Attack | |
| Nov 26, 2025 | Nikolov | 1–0 | Dotan | Round 1: Nikolov, Momchil - Dotan, Valeria | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 23, 2025 | Delchev | 0–1 | Nikolov | Asenovgrad 2025 | Queen's Pawn Game: Symmetrical Variation | |
| Nov 23, 2025 | Nikolov | ½–½ | Georgiev | Asenovgrad 2025 | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Nov 23, 2025 | Halkias | ½–½ | Nikolov | Asenovgrad 2025 | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Nov 22, 2025 | Nikolov | ½–½ | Tilicheev | Asenovgrad 2025 | Queen's Gambit Declined: Exchange Variation | |
| Nov 22, 2025 | Georgiev | 0–1 | Nikolov | Asenovgrad 2025 | Bogo-Indian Defense: Retreat Variation | |
| Nov 22, 2025 | Nikolov | ½–½ | Bratanov | Asenovgrad 2025 | Queen's Indian Defense: Capablanca Variation | |
| Nov 22, 2025 | Todev | ½–½ | Nikolov | Asenovgrad 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Nov 21, 2025 | Nikolov | ½–½ | Dhulipalla Bala Chandra Prasad | Asenovgrad 2025 | Queen's Indian Defense: Capablanca Variation | |
| Nov 21, 2025 | Stoinev | 0–1 | Nikolov | Asenovgrad 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Nov 21, 2025 | Nikolov | 1–0 | Genov | Asenovgrad 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 21, 2025 | Nikolov | * | Genov | Asenovgrad Rapid 2025 | ? | |
| Nov 21, 2025 | Vangelov | 0–1 | Nikolov | Asenovgrad 2025 | Nimzo-Indian Defense: Normal Variation, Gligoric System | |
| Oct 26, 2025 | Nikolov | 0–1 | Nikolov | Round 10: Nikolov, Sasho - Nikolov, Momchil | Nimzo-Indian Defense: Three Knights Variation | |
| Oct 26, 2025 | Markidis | ½–½ | Nikolov | Round 8: Markidis, Konstantinos - Nikolov, Momchil | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| Oct 26, 2025 | Nikolov | ½–½ | Kilic | Round 7: Nikolov, Momchil - Kilic, Eray | Sicilian Defense: Prins Variation | |
| Oct 25, 2025 | Nikolov | 1–0 | Ozen | Round 5: Nikolov, Momchil - Ozen, Deniz | Slav Defense: Czech Variation, Wiesbaden Variation | |
| Oct 25, 2025 | Nikolov | ½–½ | Tilicheev | Round 4: Nikolov, Momchil - Tilicheev, Viacheslav | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Oct 25, 2025 | Todev | 0–1 | Nikolov | Round 3: Todev, Simeon - Nikolov, Momchil | Sicilian Defense: Kan Variation, Modern Variation | |
| Oct 25, 2025 | Keshev | 0–1 | Nikolov | Round 1: Keshev, Alper - Nikolov, Momchil | Sicilian Defense: Kan Variation, Knight Variation | |
| Oct 25, 2025 | Nikolov | 1–0 | Bayatov | Round 2: Nikolov, Momchil - Bayatov, Mario | Grünfeld Defense: Exchange Variation | |
| Oct 12, 2025 | Nikolov | 0–1 | Moiseenko | Round 11: Nikolov, Momchil - Moiseenko, Alexander | Bogo-Indian Defense: Grünfeld Variation | |
| Oct 11, 2025 | Kuzubov | 1–0 | Nikolov | Round 10: Kuzubov, Yuriy - Nikolov, Momchil | Queen's Gambit Declined: Harrwitz Attack | |
| Oct 10, 2025 | Nikolov | ½–½ | Delchev | Round 9: Nikolov, Momchil - Delchev, Aleksander | Queen's Gambit Accepted: Furman Variation | |
| Oct 9, 2025 | Petrov | ½–½ | Nikolov | Round 11: Petrov, Martin - Nikolov, Momchil | English Opening: Symmetrical Variation, Three Knights Variation | |
| Oct 9, 2025 | Nikolov | ½–½ | Dimitrov | Round 9: Nikolov, Momchil - Dimitrov, Radoslav | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Oct 9, 2025 | Stoyanov | ½–½ | Nikolov | Round 6: Stoyanov, Stoyan Or - Nikolov, Momchil | Bogo-Indian Defense: Grünfeld Variation | |
| Oct 9, 2025 | Erten | 0–1 | Nikolov | Round 8: Erten, Kerem - Nikolov, Momchil | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Oct 8, 2025 | Nikolov | 1–0 | Nikolov | Round 7: Nikolov, Momchil - Nikolov, Sasho | Queen's Pawn Game: Zukertort Variation | |
| Oct 8, 2025 | Sinanovic | 0–1 | Nikolov | Round 6: Sinanovic, Ramiz - Nikolov, Momchil | ? | |
| Oct 7, 2025 | Nikolov | ½–½ | Kilic | Round 5: Nikolov, Momchil - Kilic, Eray | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 5, 2025 | Citak | ½–½ | Nikolov | Round 3: Citak, Selim - Nikolov, Momchil | Nimzo-Indian Defense: Normal Variation | |
| Oct 5, 2025 | Nikolov | 0–1 | Yurtseven | Round 2: Nikolov, Momchil - Yurtseven, Melih | King's Indian Defense: Makogonov Variation | |
| Oct 4, 2025 | Danilovic | 0–1 | Nikolov | Round 1: Danilovic, Aleksandar - Nikolov, Momchil | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Oct 1, 2025 | Vukic | 0–1 | Nikolov | Round 4: Vukic, Milan - Nikolov, Momchil | King's Indian Attack: French Variation | |
| Jul 26, 2025 | Georgakopoulos | ½–½ | Nikolov | Round 9: Georgakopoulos, Nikolaos K. - Nikolov, Momchil | Sicilian Defense: French Variation | |
| Jul 25, 2025 | Nikolov | 1–0 | Hakobyan | Round 8: Nikolov, Momchil - Hakobyan, Menua | Slav Defense: Chebanenko Variation, Advance System | |
| Jul 24, 2025 | Stanford | 1–0 | Nikolov | Round 7: Stanford, Maxim Barth - Nikolov, Momchil | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jul 23, 2025 | Nikolov | ½–½ | Skytte | Round 6: Nikolov, Momchil - Skytte, Rasmus | English Defense | |
| Jul 22, 2025 | Malicka | 0–1 | Nikolov | Round 5: Malicka, Maria - Nikolov, Momchil | Sicilian Defense: Godiva Variation | |
| Jul 21, 2025 | Nikolov | 1–0 | Verduyn | Round 4: Nikolov, Momchil - Verduyn, Philippe | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch | |
| Jul 20, 2025 | Argiroudis | 1–0 | Nikolov | Round 3: Argiroudis, Stamatis - Nikolov, Momchil | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jul 20, 2025 | Nikolov | 1–0 | Ballas | Round 2: Nikolov, Momchil - Ballas, Athanasios-panagiotis | Sicilian Defense: French Variation | |
| Jul 19, 2025 | Stepanyan | 0–1 | Nikolov | Round 1: Stepanyan, Ararat - Nikolov, Momchil | Sicilian Defense: Godiva Variation | |
| Jul 11, 2025 | Nikolov | ½–½ | Lalic | Round 9: Nikolov, Momchil - Lalic, Bogdan | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Jul 9, 2025 | Nikolov | 1–0 | Guillaume Philippe | Round 7: Nikolov, Momchil - Guillaume Philippe | Bogo-Indian Defense: Exchange Variation | |
| Jul 8, 2025 | Dimitrov | ½–½ | Nikolov | Round 6: Dimitrov, Radoslav - Nikolov, Momchil | Pirc Defense: Kholmov System | |
| Jul 8, 2025 | Nikolov | 1–0 | Villegas | Round 5: Nikolov, Momchil - Villegas, Pierre | Caro-Kann Defense: Exchange Variation | |
| Jul 6, 2025 | Perret | ½–½ | Nikolov | Round 3: Perret, Timothe - Nikolov, Momchil | Ruy Lopez: Open, Classical Defense | |
| Jul 4, 2025 | Enchev | ½–½ | Nikolov | Round 8: Enchev, Ivajlo - Nikolov, Momchil | Slav Defense: Czech Variation, Dutch Variation | |
| May 29, 2025 | Nikolov | 0–1 | Elgersma | sofia25 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 26, 2025 | Celebi | 0–1 | Nikolov | sofia25 | Sicilian Defense: Closed, Traditional | |
| May 26, 2025 | Nikolov | ½–½ | Ouellet | sofia25 | Ruy Lopez: Cozio Defense | |
| May 23, 2025 | Shilon Rahav | 0–1 | Nikolov | sofia25 | Ruy Lopez: Morphy Defense, Wormald Attack | |
| May 23, 2025 | Nikolov | 1–0 | Mantazis | sofia25 | Queen's Pawn Game | |
| May 23, 2025 | Dehtiarov | 1–0 | Nikolov | sofia25 | Petrov's Defense: Modern Attack, Center Variation | |
| May 23, 2025 | Nikolov | ½–½ | Dimitrov | sofia25 | English Opening: Drill Variation | |
| May 23, 2025 | Risteski | ½–½ | Nikolov | sofia25 | Petrov's Defense: Modern Attack, Center Variation | |
| May 23, 2025 | Nikolov | 1–0 | Drenchev | sofia25 | Neo-Grünfeld Defense: Goglidze Attack | |
| Mar 8, 2024 | Riff | * | Nikolov | Round 9: Riff, Jean-Noel - Nikolov, Momchil | French Defense: Advance Variation, Paulsen Attack | |
| Mar 7, 2024 | Nikolov | ½–½ | Sasikiran | Round 8: Nikolov, Momchil - Sasikiran, Krishnan | Nimzo-Indian Defense: Classical Variation | |
| Mar 6, 2024 | Le Marec | 0–1 | Nikolov | Round 7: Le Marec, Simon - Nikolov, Momchil | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Mar 6, 2024 | Nikolov | ½–½ | Nanjo | Round 6: Nikolov, Momchil - Nanjo, Ryosuke | Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation | |
| Mar 5, 2024 | Zienkiewicz | 0–1 | Nikolov | Round 5: Zienkiewicz, Jan - Nikolov, Momchil | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Mar 4, 2024 | Nikolov | ½–½ | Lacanrus | Round 4: Nikolov, Momchil - Lacanrus, David | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Oct 25, 2024 | Nikolov | ½–½ | Guilleux | Round 9: Nikolov, Momchil - Guilleux, Fabien | Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation | |
| Oct 24, 2024 | Eugene | ½–½ | Nikolov | Round 8: Eugene, Floryan - Nikolov, Momchil | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Oct 23, 2024 | Nikolov | 1–0 | Laignel | Round 7: Nikolov, Momchil - Laignel, Quentin | Caro-Kann Defense: Apocalypse Attack | |