| Mar 15, 2026 | Nikolov | 1–0 | Kolev | Round 7: Nikolov, Sasho - Kolev, Lachezar | English Opening: Symmetrical Variation, Three Knights Variation | |
| Mar 15, 2026 | Baldzhiev | 0–1 | Nikolov | Round 6: Baldzhiev, Plamen - Nikolov, Sasho | Sicilian Defense: Alapin Variation | |
| Mar 14, 2026 | Vranyashki | 0–1 | Nikolov | Round 4: Vranyashki, Viktor - Nikolov, Sasho | Sicilian Defense: French Variation | |
| Mar 14, 2026 | Nikolov | ½–½ | Koev | Round 5: Nikolov, Sasho - Koev, Georgi | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 14, 2026 | Nikolov | 0–1 | Siskou | Round 3: Nikolov, Sasho - Siskou, Evangelia | Semi-Slav Defense: Stoltz Variation | |
| Mar 13, 2026 | Ozturk | 0–1 | Nikolov | Momchilgrad Classics 2026 | Caro-Kann Defense | |
| Mar 13, 2026 | Nikolov | 1–0 | Ivanov | Momchilgrad Classics 2026 | Kangaroo Defense | |
| Oct 26, 2025 | Stoyanov | 0–1 | Nikolov | Round 11: Stoyanov, Stoyan Or - Nikolov, Sasho | Queen's Pawn Game: Zukertort Variation | |
| Oct 26, 2025 | Nikolov | 0–1 | Nikolov | Round 10: Nikolov, Sasho - Nikolov, Momchil | Nimzo-Indian Defense: Three Knights Variation | |
| Oct 26, 2025 | Velikov | 0–1 | Nikolov | Round 9: Velikov, Nikola - Nikolov, Sasho | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Oct 26, 2025 | Nikolov | 1–0 | Mishev | Round 8: Nikolov, Sasho - Mishev, Liubomir | King's Indian Defense: Kazakh Variation | |
| Oct 26, 2025 | Spasov | 1–0 | Nikolov | Round 7: Spasov, Vasil - Nikolov, Sasho | Caro-Kann Defense: Tartakower Variation | |
| Oct 25, 2025 | Nikolov | ½–½ | Delchev | Round 6: Nikolov, Sasho - Delchev, Aleksander | Kangaroo Defense | |
| Oct 25, 2025 | Tsolov | 0–1 | Nikolov | Round 5: Tsolov, Aleksandar - Nikolov, Sasho | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Oct 25, 2025 | Nikolov | 1–0 | Elci | Round 4: Nikolov, Sasho - Elci, Yigit | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Oct 25, 2025 | Nikolov | 1–0 | Margkarian | Round 1: Nikolov, Sasho - Margkarian, Alexandros | Queen's Pawn Game: Accelerated London System | |
| Oct 25, 2025 | Simeonov | 0–1 | Nikolov | Round 2: Simeonov, Velin - Nikolov, Sasho | Caro-Kann Defense: Exchange Variation | |
| Oct 12, 2025 | Nikolov | 0–1 | Erten | Round 11: Nikolov, Sasho - Erten, Kerem | ? | |
| Oct 11, 2025 | Tasic | ½–½ | Nikolov | Round 10: Tasic, Vladimir - Nikolov, Sasho | Queen's Gambit Declined: Cambridge Springs Defense, Capablanca Variation | |
| Oct 10, 2025 | Burovic | 1–0 | Nikolov | Round 9: Burovic, Rijad - Nikolov, Sasho | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 9, 2025 | Petrov | 1–0 | Nikolov | Round 3: Petrov, Martin - Nikolov, Sasho | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 9, 2025 | Nikolov | 0–1 | Kilic | Round 8: Nikolov, Sasho - Kilic, Eray | Pirc Defense: Classical Variation, Quiet System | |
| Oct 8, 2025 | Nikolov | 1–0 | Nikolov | Round 7: Nikolov, Momchil - Nikolov, Sasho | Queen's Pawn Game: Zukertort Variation | |
| Oct 8, 2025 | Nikolov | ½–½ | Citak | Round 6: Nikolov, Sasho - Citak, Selim | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Oct 7, 2025 | Yurtseven | 1–0 | Nikolov | Round 5: Yurtseven, Melih - Nikolov, Sasho | King's Indian Attack | |
| Oct 6, 2025 | Nikolov | 1–0 | Danilovic | Round 4: Nikolov, Sasho - Danilovic, Aleksandar | Dutch Defense | |
| Oct 5, 2025 | Moiseenko | 1–0 | Nikolov | Round 3: Moiseenko, Alexander - Nikolov, Sasho | Queen's Gambit Declined: Janowski Variation | |
| Oct 5, 2025 | Nikolov | 0–1 | Kuzubov | Round 2: Nikolov, Sasho - Kuzubov, Yuriy | Queen's Gambit Declined: Janowski Variation | |
| Oct 4, 2025 | Delchev | 1–0 | Nikolov | Round 1: Delchev, Aleksander - Nikolov, Sasho | Queen's Pawn Game: London System, with e6 | |
| May 29, 2025 | Nikolov | 1–0 | Celebi | sofia25 | Queen's Pawn Game: Accelerated London System | |
| May 28, 2025 | Tilicheev | 1–0 | Nikolov | sofia25 | Queen's Gambit Declined: Barmen Variation | |
| May 27, 2025 | Nikolov | 1–0 | Georgiev | sofia25 | English Opening: King's English Variation | |
| May 26, 2025 | Drenchev | ½–½ | Nikolov | sofia25 | English Opening: Agincourt Defense | |
| May 26, 2025 | Nikolov | 1–0 | Mantazis | sofia25 | Semi-Slav Defense: Main Line | |
| May 25, 2025 | Elgersma | 1–0 | Nikolov | sofia25 | Queen's Pawn Game: Chigorin Variation | |
| May 24, 2025 | Nikolov | 1–0 | La Barbera | sofia25 | Nimzo-Indian Defense: Three Knights Variation | |
| May 23, 2025 | Krallis | 1–0 | Nikolov | sofia25 | French Defense: Two Knights Variation | |
