| Jun 29, 2026 | Amartuvshin | 1–0 | Lecki | Round 6: Amartuvshin, Ganzorig - Lecki, Leonard | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Jun 27, 2026 | Lecki | ½–½ | Itgelt | Round 5: Lecki, Leonard - Itgelt, Khuyagtsogt | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jun 26, 2026 | Lecki | 1–0 | Mihic | Round 3: Lecki, Leonard - Mihic, Adam | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| Jun 25, 2026 | Lecki | 0–1 | Raczek | Round 1: Lecki, Leonard - Raczek, Krzysztof | King's Indian Defense: Fianchetto Variation | |
| May 28, 2026 | Lecki | 0–1 | Zieba | DMPJ - Ekstraliga 2026 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| May 27, 2026 | Lecki | 1–0 | Nagly | DMPJ - Ekstraliga 2026 | English Opening: Agincourt Defense | |
| May 25, 2026 | Lecki | ½–½ | Krol | DMPJ - Ekstraliga 2026 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| May 24, 2026 | Liskiewicz | 0–1 | Lecki | DMPJ - Ekstraliga 2026 | Tarrasch Defense | |
| May 23, 2026 | Lecki | 1–0 | Jablonski | DMPJ - Ekstraliga 2026 | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Apr 19, 2026 | Vasynda | ½–½ | Lecki | EIIC 2026 | Queen's Pawn Game: London System | |
| Apr 18, 2026 | Lecki | 1–0 | Panasiuk | EIIC 2026 | English Opening: King's English Variation, Three Knights System | |
| Apr 16, 2026 | Trushko | 1–0 | Lecki | EIIC 2026 | Slav Defense: Exchange Variation | |
| Apr 15, 2026 | Lecki | ½–½ | Prazak | EIIC 2026 | Queen's Pawn Game: Colle System | |
| Apr 14, 2026 | Zakin | 0–1 | Lecki | EIIC 2026 | Scandinavian Defense: Main Line, Mieses Variation | |
| Apr 13, 2026 | Lecki | 0–1 | Aslanov | EIIC 2026 | Queen's Pawn Game: Colle System | |
| Apr 12, 2026 | Marcos Herrero | 0–1 | Lecki | EICC 2026 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Apr 10, 2026 | Lecki | ½–½ | Uzun | EICC 2026 | French Defense: St. George Defense, Three Pawn Attack | |
| Apr 9, 2026 | Valiyev | 1–0 | Lecki | EICC 2026 | Petrov's Defense: Classical Attack, Marshall Variation | |
| Apr 8, 2026 | Lecki | 1–0 | Kaplanova | EICC 2026 | Petrov's Defense: Modern Attack, Center Variation | |
| Apr 7, 2026 | Olszewski | 1–0 | Lecki | EICC 2026 | Zukertort Opening: Sicilian Invitation | |
| Mar 15, 2026 | Lecki | 1–0 | Korszanski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | English Opening | |
| Mar 14, 2026 | Brzezina | 1–0 | Lecki | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Petrov's Defense: Modern Attack, Center Variation | |
| Mar 13, 2026 | Lecki | ½–½ | Suska | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Zukertort Opening | |
| Mar 12, 2026 | Dobrowolski | 0–1 | Lecki | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Mar 11, 2026 | Lecki | 1–0 | Pekala | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | English Opening: Anglo-Indian Defense | |
| Mar 10, 2026 | Haladaj | 1–0 | Lecki | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Queen's Gambit Accepted: Central Variation, Alekhine System | |
| Mar 10, 2026 | Lecki | 1–0 | Korczakowski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Mar 9, 2026 | Rajlich | 1–0 | Lecki | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Sicilian Defense: French Variation | |
| Mar 8, 2026 | Lecki | 1–0 | Mroczkowski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Italian Game: Evans Gambit, Leonhardt Countergambit | |
| Dec 30, 2025 | Lecki | 1–0 | Cukrowski | Runda 9: Lecki, Leonard - Cukrowski, Filip | English Opening: Symmetrical Variation | |
| Dec 30, 2025 | Sernecki | 0–1 | Lecki | Runda 8: Sernecki, Franciszek - Lecki, Leonard | Queen's Gambit Accepted: Central Variation, Alekhine System | |
| Dec 30, 2025 | Lecki | 0–1 | Turski | Runda 7: Lecki, Leonard - Turski, Bartlomiej | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Dec 29, 2025 | Borowik | 0–1 | Lecki | Runda 6: Borowik, Wojciech - Lecki, Leonard | Slav Defense: Modern Line | |
| Dec 29, 2025 | Lecki | ½–½ | Kokoszczynski | Runda 5: Lecki, Leonard - Kokoszczynski, Jan | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Dec 28, 2025 | Rajbharath | ½–½ | Lecki | Runda 4: Rajbharath, Harjith - Lecki, Leonard | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Dec 27, 2025 | Lecki | 1–0 | Paprocki | Runda 3: Lecki, Leonard - Paprocki, Jaroslaw | English Opening: Four Knights System, Nimzowitsch Variation | |
| Dec 27, 2025 | Jakubowski | 1–0 | Lecki | Runda 2: Jakubowski, Krzysztof - Lecki, Leonard | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Dec 27, 2025 | Lecki | ½–½ | Nasuta | Runda 1: Lecki, Leonard - Nasuta, Grzegorz | English Opening: Agincourt Defense | |
| Oct 4, 2025 | Owad | 1–0 | Lecki | MP-rapid25 | Zukertort Opening | |
| Jul 16, 2025 | Klim | * | Lecki | Macieja Memorial | ? | |
| Jul 16, 2025 | Lecki | 1–0 | Obukhava | Najdorf Memorial | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jul 16, 2025 | Lecki | 1–0 | Szewczyk | Macieja Memorial | Italian Game: Evans Gambit, Mieses Defense | |
| Jul 16, 2025 | Warchol | ½–½ | Lecki | Najdorf Memorial | Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted | |
| Jul 15, 2025 | Lecki | ½–½ | Endeladze | Najdorf Memorial | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| Jul 14, 2025 | Savitha Shri B | 1–0 | Lecki | Najdorf Memorial | Petrov's Defense: Nimzowitsch Attack | |
| Jul 13, 2025 | Wierzbicki | 0–1 | Lecki | Najdorf Memorial | Benko Gambit Declined: Main Line | |
| Jul 13, 2025 | Lecki | ½–½ | Sriram | Najdorf Memorial | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jul 11, 2025 | Hamitevici | ½–½ | Lecki | Najdorf Memorial | English Opening: Symmetrical Variation, Four Knights Variation | |
| Jul 10, 2025 | Fernandez | 1–0 | Lecki | Najdorf Memorial | Petrov's Defense: Three Knights Game | |
| Jul 8, 2025 | Lecki | 1–0 | Wojtaszewski | Najdorf Memorial | English Opening: Anglo-Indian Defense | |
| Jul 7, 2025 | Lecki | 0–1 | Nie | Macieja Memorial | Sicilian Defense: Portsmouth Gambit | |
| Jul 7, 2025 | Lecki | 1–0 | Cornelisse | Macieja Memorial | Sicilian Defense: Moscow Variation | |
| Jul 7, 2025 | Lee | 0–1 | Lecki | Macieja Memorial | Petrov's Defense: Damiano Variation | |
| Jul 7, 2025 | Lecki | 0–1 | Sriram | Macieja Memorial | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jul 7, 2025 | Malik | 0–1 | Lecki | Macieja Memorial | King's Indian Attack: Yugoslav Variation | |
| Jul 7, 2025 | Lecki | 1–0 | Grochol | Macieja Memorial | Sicilian Defense: Mengarini Variation | |
| Jul 7, 2025 | Endeladze | 1–0 | Lecki | Macieja Memorial | King's Indian Attack: Yugoslav Variation | |
| Jul 7, 2025 | Lecki | 0–1 | Bachor | Macieja Memorial | Sicilian Defense: Mengarini Variation | |
| Jul 7, 2025 | Niezhentsev | 1–0 | Lecki | Macieja Memorial | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jun 21, 2025 | Lecki | ½–½ | Janeczko | DMPJ Ekstraliga 2025 | Sicilian Defense: Moscow Variation | |
| Jun 19, 2025 | Nagly | 0–1 | Lecki | DMPJ Ekstraliga 2025 | Scandinavian Defense: Main Line, Mieses Variation | |
| Jun 18, 2025 | Krol | 0–1 | Lecki | DMPJ Ekstraliga 2025 | Petrov's Defense: Nimzowitsch Attack | |
| Jun 16, 2025 | Grot | ½–½ | Lecki | DMPJ Ekstraliga 2025 | Petrov's Defense: Classical Attack, Staunton Variation | |
| Jun 15, 2025 | Trzebinski | 0–1 | Lecki | DMPJ Ekstraliga 2025 | Petrov's Defense: Modern Attack, Center Variation | |
| Jun 2, 2025 | Lecki | 0–1 | Radzimski | Open-1 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jun 2, 2025 | Lecki | 1–0 | Piekielny | Open-1 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| May 31, 2025 | Dobosiewicz | ½–½ | Lecki | Open-1 | Sicilian Defense: Grand Prix Attack | |
| May 31, 2025 | Kejna | 0–1 | Lecki | Open-1 | Sicilian Defense: Snyder Variation | |
| May 31, 2025 | Stronczek | 0–1 | Lecki | Open | Polish Opening | |
| May 31, 2025 | Lecki | 0–1 | Piesik | Open-1 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| May 31, 2025 | Buchta | 0–1 | Lecki | Open | Sicilian Defense: Kan Variation | |
| May 31, 2025 | Hnydiuk | 1–0 | Lecki | Open-1 | Slav Defense: Quiet Variation | |
| May 31, 2025 | Sanetra | 0–1 | Lecki | Open | Sicilian Defense: Hyperaccelerated Fianchetto | |
| May 31, 2025 | Lecki | 1–0 | Kruk | Open | Sicilian Defense: Mengarini Variation | |
| Aug 17, 2024 | Lecki | ½–½ | Ciupka | Open A | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Aug 17, 2024 | Moczulski | 0–1 | Lecki | Open A | Ruy Lopez: Closed | |
| Aug 16, 2024 | Smetek | 1–0 | Lecki | Open A | Indian Defense: Pseudo-Benko | |
| Aug 14, 2024 | Lecki | 1–0 | Becker | Open A | English Opening: King's English Variation, Taimanov Variation | |
| Aug 14, 2024 | Lecki | ½–½ | Myrmus | Open A | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Aug 12, 2024 | Sowa | ½–½ | Lecki | Open A | Sicilian Defense: Hyperaccelerated Dragon | |
| Aug 11, 2024 | Lecki | 0–1 | Trybus | Open A | Slav Defense: Quiet Variation | |
| Aug 10, 2024 | Lecki | 1–0 | Nowicki | Open A | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Aug 10, 2024 | Gebusia | 0–1 | Lecki | Open A | English Opening: Symmetrical Variation | |
| Aug 3, 2024 | Lecki | ½–½ | Ochedzan | Rapid C14 | English Opening: Four Knights System, Nimzowitsch Variation | |
| Aug 3, 2024 | Lecki | ½–½ | Moczulski | Rapid C14 | English Opening: Four Knights System, Nimzowitsch Variation | |
| Aug 3, 2024 | Etut | ½–½ | Lecki | Rapid C14 | Sicilian Defense: Wing Gambit Deferred | |
| Aug 3, 2024 | Paszek | 0–1 | Lecki | Rapid C14 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Aug 2, 2024 | Lecki | 1–0 | Seemann | Rapid C14 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Aug 2, 2024 | Lecki | ½–½ | Klim | Rapid C14 | Queen's Gambit Declined | |
| Aug 2, 2024 | Lecki | 0–1 | Dobrowolski | Rapid C14 | Sicilian Defense: Classical Variation, Fianchetto Variation | |
| Aug 2, 2024 | Rojecki | 0–1 | Lecki | Rapid C14 | English Opening: King's English Variation, Two Knights Variation | |
| Aug 2, 2024 | Khimichenko | 0–1 | Lecki | Rapid C14 | Nimzo-Larsen Attack: Modern Variation | |
| Aug 2, 2024 | Obrycki | ½–½ | Lecki | Rapid C14 | Benko Gambit Accepted: Pawn Return Variation | |
| Jul 17, 2024 | Lecki | 1–0 | Lasota | Najdorf Memorial | Owen Defense | |
| Jul 16, 2024 | Hury | 1–0 | Lecki | Najdorf Memorial | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jul 15, 2024 | Lecki | 0–1 | Smietanska | Najdorf Memorial | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jul 14, 2024 | Dalkowski | 0–1 | Lecki | Najdorf Memorial | Réti Opening | |
| Jul 13, 2024 | Lecki | 0–1 | Chmiel | Najdorf Memorial | English Opening: Caro-Kann Defensive System | |
| Jul 12, 2024 | Smetek | 0–1 | Lecki | Najdorf Memorial | Benko Gambit Accepted: Modern Variation | |
| Jul 11, 2024 | Lecki | 1–0 | Bar | Najdorf Memorial | Sicilian Defense: Kalashnikov Variation | |