| Jun 20, 2026 | Jakubowski | 1–0 | Mondrzycki | Druzynowe Mistrzostwa Polski - Ekstraliga 2026 | Sicilian Defense: O'Kelly Variation, Réti System | |
| Jun 17, 2026 | Lukasiewicz | 1–0 | Jakubowski | Druzynowe Mistrzostwa Polski - Ekstraliga 2026 | Philidor Defense: Exchange Variation | |
| Jun 5, 2026 | Krasenkow | 1–0 | Jakubowski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | English Opening: Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack | |
| Jun 5, 2026 | Jakubowski | 1–0 | Lach | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jun 5, 2026 | Jakubowski | ½–½ | Jedynak | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | French Defense: Winawer Variation, Portisch-Hook Variation | |
| Jun 5, 2026 | Jakubowski | ½–½ | Pakleza | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | Scandinavian Defense: Marshall Variation | |
| Jun 5, 2026 | Alvarado | 0–1 | Jakubowski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | Zukertort Opening: Nimzo-Larsen Variation | |
| Jun 5, 2026 | Jakubowski | ½–½ | Dobrowolski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | King's Indian Attack: Double Fianchetto | |
| Jun 5, 2026 | Jakubowska | ½–½ | Jakubowski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | Modern Defense: Standard Defense | |
| Jun 5, 2026 | Jakubowski | 1–0 | Golawski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jun 5, 2026 | Madalinski | 0–1 | Jakubowski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | Sicilian Defense: Taimanov Variation | |
| Jun 4, 2026 | Jakubowski | 1–0 | Bugajski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Szybkich | Sicilian Defense: Najdorf Variation | |
| Jun 4, 2026 | Szwaj | 0–1 | Jakubowski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Szybkich | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Jun 4, 2026 | Heberla | 1–0 | Jakubowski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Szybkich | Pseudo Queen's Indian Defense | |
| Jun 4, 2026 | Jakubowski | 1–0 | Krasenkow | Deweloperni_Mistrzostwa_Polski_w_Szachach_Szybkich | Czech Defense | |
| Jun 4, 2026 | Slaby | ½–½ | Jakubowski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Szybkich | Trompowsky Attack: Classical Defense, Big Center Variation | |
| Jun 4, 2026 | Jakubowski | 1–0 | Maksimenko | Deweloperni_Mistrzostwa_Polski_w_Szachach_Szybkich | Sicilian Defense: Kan Variation, Wing Attack | |
| Jun 4, 2026 | Zajaczkowski | 0–1 | Jakubowski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Szybkich | Réti Opening: Advance Variation, Navara Gambit | |
| Jun 1, 2026 | Socko | 1–0 | Jakubowski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | Sicilian Defense: French Variation | |
| Jun 1, 2026 | Heberla | 0–1 | Jakubowski | Deweloperni_Mistrzostwa_Polski_w_Szachach_Blyskawicznych | Pseudo Queen's Indian Defense | |
| Jun 1, 2026 | Jakubowski | ½–½ | Wojtaszek | Deweloperni_Mistrzostwa_Polski_w_Szachach_Szybkich | Caro-Kann Defense: Advance Variation, Van der Wiel Attack, Dreyev Defense | |
| Apr 19, 2026 | Costa | 1–0 | Jakubowski | EICC 2026 | French Defense: Advance Variation, Main Line | |
| Apr 18, 2026 | Jakubowski | ½–½ | Petrosyan | EICC 2026 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Apr 16, 2026 | Jakubowski | 1–0 | Lyakh | EICC 2026 | Sicilian Defense: Velimirovic Attack | |
| Apr 15, 2026 | Sokolovsky | 1–0 | Jakubowski | EICC 2026 | Sicilian Defense: Najdorf Variation | |
| Apr 14, 2026 | Jakubowski | 1–0 | Heimisson | EICC 2026 | Scotch Game: Potter Variation | |
| Apr 13, 2026 | Jarocka | 0–1 | Jakubowski | EICC 2026 | English Opening: King's English Variation | |
| Apr 12, 2026 | Jakubowski | ½–½ | Prisacaru | EICC 2026 | Sicilian Defense: Closed | |
| Apr 10, 2026 | Velikic | 1–0 | Jakubowski | EICC 2026 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Apr 9, 2026 | Jakubowski | ½–½ | Demchenko | EICC 2026 | English Opening: King's English Variation | |
| Apr 7, 2026 | Jakubowski | ½–½ | Triger | EIIC 2026 | King's Indian Attack | |
| Apr 5, 2026 | Zhuk | 0–1 | Jakubowski | EIIC 2026 | English Opening | |
| Mar 29, 2026 | Jakubowski | 0–1 | Finek | Round 11: Jakubowski, Krzysztof - Finek, Vaclav | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| Mar 27, 2026 | Laurusas | 1–0 | Jakubowski | Round 9: Laurusas, Tomas - Jakubowski, Krzysztof | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 11, 2026 | Jakubowski | ½–½ | Navara | Round 6: Jakubowski, Krzysztof - Navara, David | Sicilian Defense: Najdorf Variation, English Attack | |
| Jan 10, 2026 | Cieslak | ½–½ | Jakubowski | Round 5: Cieslak, Patryk - Jakubowski, Krzysztof | Sicilian Defense: Najdorf Variation, English Attack | |
| Dec 30, 2025 | Jakubowski | 1–0 | Piesik | Runda 9: Jakubowski, Krzysztof - Piesik, Piotr | Petrov's Defense: Nimzowitsch Attack | |
| Dec 30, 2025 | Jakubowski | 1–0 | Niedbala | Runda 8: Jakubowski, Krzysztof - Niedbala, Bartlomiej | Sicilian Defense: Najdorf Variation | |
| Dec 30, 2025 | Rekuc | ½–½ | Jakubowski | Runda 7: Rekuc, Patryk - Jakubowski, Krzysztof | Sicilian Defense: Richter-Rauzer Variation, Classical Variation | |
| Dec 29, 2025 | Jakubowski | 1–0 | Lewtak | Runda 6: Jakubowski, Krzysztof - Lewtak, Damian | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 29, 2025 | Butkiewicz | 0–1 | Jakubowski | Runda 5: Butkiewicz, Jan - Jakubowski, Krzysztof | Bogo-Indian Defense: Grünfeld Variation | |
| Dec 28, 2025 | Jakubowski | 0–1 | Obrycki | Runda 4: Jakubowski, Krzysztof - Obrycki, Tomasz | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Dec 27, 2025 | Krol | ½–½ | Jakubowski | Runda 3: Krol, Jan - Jakubowski, Krzysztof | French Defense: Winawer Variation, Bogoljubow 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 | Praczukowski | ½–½ | Jakubowski | Runda 1: Praczukowski, Stanislaw - Jakubowski, Krzysztof | Ruy Lopez: Closed | |
| Nov 30, 2025 | Rubes | ½–½ | Jakubowski | Round 2: Rubes, Jan - Jakubowski, Krzysztof | Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation | |
| Nov 29, 2025 | Jakubowski | 1–0 | Nemec | Round 1: Jakubowski, Krzysztof - Nemec, Jachym | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Sep 20, 2025 | Gbiorczyk | 0–1 | Jakubowski | Szansa25 | Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense, Blockade Line | |
| Sep 20, 2025 | Deszczynski | ½–½ | Jakubowski | Szansa25 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Sep 20, 2025 | Jakubowski | 0–1 | Dobosiewicz | Szansa25 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Sep 20, 2025 | Piekielny | 0–1 | Jakubowski | Szansa25 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Sep 20, 2025 | Jakubowski | 1–0 | Etut | Round 1: Jakubowski, Krzysztof - Etut, Filbert | English Opening: King's English Variation, Closed System, Full Symmetry | |
| Sep 20, 2025 | Jakubowski | 1–0 | Serafin | Szansa25 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Sep 20, 2025 | Barchuk | * | Jakubowski | Szansa25 | ? | |
| Sep 20, 2025 | Jakubowski | * | Posuniak | Szansa25 | ? | |
| Sep 20, 2025 | Rylski | * | Jakubowski | Szansa25 | ? | |
| Sep 20, 2025 | Jakubowski | * | Racis | Szansa25 | ? | |
| Sep 20, 2025 | Jasiulewicz | 1–0 | Jakubowski | Szansa25 | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Quiet Line | |
| Jun 5, 2025 | Jakubowski | ½–½ | Koziorowicz | Druzynowe Mistrzostwa Polski - Ekstraliga 2025 | Zukertort Opening: Queen's Gambit Invitation | |
| Jun 4, 2025 | Golecki | ½–½ | Jakubowski | Druzynowe Mistrzostwa Polski - Ekstraliga 2025 | Sicilian Defense: Najdorf Variation | |
| Mar 30, 2025 | Samunenkov | 1–0 | Jakubowski | Round 11: Samunenkov, Ihor - Jakubowski, Krzysztof | Sicilian Defense: Alapin Variation | |
| Mar 29, 2025 | Jakubowski | ½–½ | Kobo | Round 10: Jakubowski, Krzysztof - Kobo, Ori | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Mar 28, 2025 | Jakubowski | 0–1 | Krzyzanowski | Round 9: Jakubowski, Krzysztof - Krzyzanowski, Marcin | Sicilian Defense: Najdorf Variation, English Attack | |
| Mar 2, 2025 | Jakubowski | 1–0 | Muse | Round 9: Jakubowski, Krzysztof - Muse, Drazen | Nimzowitsch Defense: Williams Variation | |
| Mar 1, 2025 | Jakubowski | ½–½ | Poltorak | Round 7: Jakubowski, Krzysztof - Poltorak, Sebastian | Torre Attack: Fianchetto Defense, Euwe Variation | |
| Mar 1, 2025 | Florstedt | 0–1 | Jakubowski | Round 8: Florstedt, Johannes - Jakubowski, Krzysztof | Sicilian Defense: Taimanov Variation, Normal Variation | |
| Feb 28, 2025 | Zobel | 0–1 | Jakubowski | Round 6: Zobel, Christian - Jakubowski, Krzysztof | Nimzo-Larsen Attack | |
| Feb 27, 2025 | Schulze | ½–½ | Jakubowski | Round 5: Schulze, Lara - Jakubowski, Krzysztof | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Feb 26, 2025 | Jakubowski | ½–½ | Noeldner | Round 4: Jakubowski, Krzysztof - Noeldner, Julian | English Opening: Adorjan Defense | |
| Feb 25, 2025 | Jakubowski | ½–½ | Ahmadinia | Round 2: Jakubowski, Krzysztof - Ahmadinia, Ebrahim | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Feb 25, 2025 | Yatskar | 0–1 | Jakubowski | Round 3: Yatskar, Martin - Jakubowski, Krzysztof | Nimzo-Indian Defense: Classical Variation | |
| Feb 24, 2025 | Moritz | ½–½ | Jakubowski | Round 1: Moritz, Aron - Jakubowski, Krzysztof | Caro-Kann Defense: Exchange Variation | |
| Oct 15, 2024 | Jakubowski | 0–1 | Gumularz | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | French Defense: Chigorin Variation | |
| Oct 13, 2024 | Jakubowski | 0–1 | Kantans | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, Ponomariov Gambit | |
| Oct 12, 2024 | Bobras | ½–½ | Jakubowski | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | French Defense: Winawer Variation, Advance Variation | |
| Oct 11, 2024 | Jakubowski | ½–½ | Klimkowski | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Four Knights Game: Spanish Variation | |
| Oct 10, 2024 | Plat | ½–½ | Jakubowski | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Caro-Kann Defense: Endgame Offer | |
| Oct 9, 2024 | Kazakouski | ½–½ | Jakubowski | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Sicilian Defense: Four Knights Variation | |
| Oct 8, 2024 | Jakubowski | 1–0 | Rog | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | English Opening: King's English Variation | |
| Oct 7, 2024 | Skawinski | 0–1 | Jakubowski | Druzynowe Mistrzostwa Polski - Ekstraliga 2024 | Caro-Kann Defense: Maróczy Variation | |
| Sep 21, 2024 | Jakubowski | 1–0 | Wikar | new tournament description | Kádas Opening | |
| Sep 21, 2024 | Jakubowski | 0–1 | Klimkowski | new tournament description | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Sep 21, 2024 | Klekowski | 0–1 | Jakubowski | new tournament description | English Opening: Anglo-Indian Defense, Hedgehog System | |
| Sep 21, 2024 | Socko | 1–0 | Jakubowski | new tournament description | Hungarian Opening | |
| Aug 17, 2024 | Madej | 1–0 | Jakubowski | Masters | Sicilian Defense: Kupreichik Variation | |
| Aug 16, 2024 | Jakubowski | ½–½ | Kacprzak | Masters | Sicilian Defense: Najdorf Variation | |
| Aug 15, 2024 | Rekuc | ½–½ | Jakubowski | Masters | Dutch Defense: Hopton Attack | |
| Aug 14, 2024 | Jakubowski | 0–1 | Tomczak | Masters | Scandinavian Defense: Main Line | |
| Aug 13, 2024 | Mickiewicz | 0–1 | Jakubowski | Masters | Caro-Kann Defense: Tartakower Variation | |
| Aug 11, 2024 | Jakubowski | 0–1 | Ljepic | Masters | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Aug 10, 2024 | Backiel | 0–1 | Jakubowski | Masters | Pseudo Queen's Indian Defense | |
| Aug 9, 2024 | Jakubowski | 1–0 | Kondys | Masters | Queen's Gambit Declined: Janowski Variation | |
| Apr 7, 2024 | Jakubowski | ½–½ | Cernousek | Extraliga 2023/2024 - 4 | English Opening: Caro-Kann Defensive System | |
| Apr 6, 2024 | Petr | ½–½ | Jakubowski | Extraliga družstev 2023/2024 - 1 | Scotch Game: Mieses Variation | |
| Apr 5, 2024 | Stalmach | 1–0 | Jakubowski | Extraliga družstev 2023/2024 - 1 | Catalan Opening | |
| Sep 25, 2023 | Plat | 1–0 | Jakubowski | Polish Ekstraliga | Caro-Kann Defense: Endgame Variation | |
| Sep 22, 2023 | Jakubowski | ½–½ | Warakomski | Polish Ekstraliga | King's Indian Attack | |
| Sep 21, 2023 | Jakubowski | ½–½ | Gumularz | Polish Ekstraliga | Queen's Gambit Declined: Exchange Variation | |
| Sep 20, 2023 | Mikrut | 0–1 | Jakubowski | Polish Ekstraliga | Indian Defense | |
| Sep 19, 2023 | Jakubowski | ½–½ | Pultinevicius | Polish Ekstraliga | Caro-Kann Defense: Exchange Variation | |