| Jul 13, 2026 | Rajbharath | 0–1 | Diachek | Blitz C14 | Nimzo-Indian Defense: Three Knights Variation | |
| Jul 13, 2026 | Diachek | 1–0 | Madejski | Blitz C14 | Catalan Opening: Open Defense | |
| Jul 13, 2026 | Mierzwa | 0–1 | Diachek | Blitz C14 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 12, 2026 | Diachek | 1–0 | Bilochenko | Rapid C14 | English Opening: Anglo-Indian Defense | |
| Jul 12, 2026 | Owad | 0–1 | Diachek | Rapid C14 | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Jul 12, 2026 | Diachek | 0–1 | Pawlicz | Rapid C14 | English Opening: King's English Variation, Reversed Sicilian | |
| Jul 12, 2026 | Strus | 0–1 | Diachek | Rapid C14 | Nimzo-Indian Defense: Leningrad Variation | |
| Jul 11, 2026 | Diachek | ½–½ | Kiszkiel | Rapid C14 | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Jul 11, 2026 | Rajbharath | 0–1 | Diachek | Rapid C14 | Semi-Slav Defense | |
| Jul 11, 2026 | Diachek | 1–0 | Rutkowski | Rapid C14 | English Opening: Symmetrical Variation | |
| Jul 11, 2026 | Klepacz | 0–1 | Diachek | Rapid C14 | King's Indian Attack: Keres Variation | |
| Jul 11, 2026 | Diachek | 1–0 | Kucharski | Rapid C14 | Catalan Opening: Closed | |
| Jul 10, 2026 | Diachek | 1–0 | Kozlowski | Blitz C14 | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Jul 10, 2026 | Diachek | 1–0 | Pelczarski | Blitz C14 | English Opening: King's English Variation | |
| Jul 10, 2026 | Diachek | 0–1 | Gibala | Blitz C14 | English Opening: Symmetrical Variation | |
| Jul 10, 2026 | Diachek | 1–0 | Golis | Blitz C14 | English Opening: Agincourt Defense | |
| Jul 10, 2026 | Diachek | ½–½ | Serafin | Blitz C14 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jul 10, 2026 | Diachek | ½–½ | Wnorowski | Blitz C14 | English Opening: Agincourt Defense, Bogoljubow Defense | |
| Jul 10, 2026 | Kozmala | 0–1 | Diachek | Blitz C14 | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 10, 2026 | Korszanski | 0–1 | Diachek | Blitz C14 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 10, 2026 | Kiszkiel | 0–1 | Diachek | Blitz C14 | King's Indian Attack: Keres Variation | |
| Jul 10, 2026 | Chiszko | ½–½ | Diachek | Blitz C14 | Indian Defense: Knights Variation | |
| Jul 10, 2026 | Gibala | 0–1 | Diachek | Rapid C14 | Indian Defense: Normal Variation | |
| Jul 10, 2026 | Golis | ½–½ | Diachek | Rapid C14 | Queen's Gambit Declined: Janowski Variation | |
| Jul 9, 2026 | Madejski | 0–1 | Diachek | rzeszow | Bogo-Indian Defense: Retreat Variation | |
| Jul 9, 2026 | Diachek | 0–1 | Madejski | rzeszow | Réti Opening: Anglo-Slav Variation, Gurevich System | |
| Jul 9, 2026 | Pleimer | ½–½ | Diachek | rzeszow | Catalan Opening | |
| Jul 9, 2026 | Diachek | ½–½ | Pleimer | rzeszow | English Opening: Symmetrical Variation | |
| Jul 8, 2026 | Pleimer | ½–½ | Diachek | rzeszow | Catalan Opening | |
| Jul 8, 2026 | Diachek | 1–0 | Chiszko | rzeszow | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Jul 8, 2026 | Bilochenko | 0–1 | Diachek | rzeszow | English Opening: King's English Variation, Taimanov Variation | |
| Jul 8, 2026 | Diachek | ½–½ | Tretiak | rzeszow | English Opening: Agincourt Defense | |
| Jul 7, 2026 | Diachek | ½–½ | Matiievskyi | rzeszow | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Jul 7, 2026 | Szumlas | 0–1 | Diachek | rzeszow | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 7, 2026 | Diachek | 1–0 | Hyron | rzeszow | English Opening: Agincourt Defense | |
| Jul 7, 2026 | Kulig | 0–1 | Diachek | rzeszow | Nimzo-Indian Defense: Classical Variation | |
| Jul 6, 2026 | Diachek | 1–0 | Szumlas | rzeszow | Queen's Indian Defense: Classical Variation, Traditional Variation | |
| Jul 6, 2026 | Diachek | 1–0 | Gappa | rzeszow | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 6, 2026 | Diachek | * | Chmiel | rzeszow | ? | |
| Jul 6, 2026 | Diachek | 0–1 | Korszanski | rzeszow | English Opening | |
| Jul 6, 2026 | Diachek | ½–½ | Chiszko | rzeszow | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Jul 6, 2026 | Diachek | 1–0 | Golis | rzeszow | Réti Opening: Anglo-Slav Variation, with g3 | |
| Jul 6, 2026 | Diachek | ½–½ | Radzimski | rzeszow | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Jul 6, 2026 | Chmiel | * | Diachek | rzeszow | Semi-Slav Defense: Accelerated Meran Variation | |
| Jul 6, 2026 | Gappa | 0–1 | Diachek | rzeszow | Scotch Game: Mieses Variation | |
| Jul 6, 2026 | Korszanski | 0–1 | Diachek | rzeszow | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 6, 2026 | Chiszko | 1–0 | Diachek | rzeszow | Queen's Pawn Game: Symmetrical Variation | |
| Jul 6, 2026 | Golis | 1–0 | Diachek | rzeszow | Nimzo-Indian Defense: Sämisch Variation | |
| Jul 6, 2026 | Radzimski | ½–½ | Diachek | rzeszow | Queen's Gambit Declined: Janowski Variation | |
| Jul 6, 2026 | Gibala | ½–½ | Diachek | rzeszow | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| May 29, 2026 | Iwan | ½–½ | Diachek | DMPJ - I Liga 2026 | Ruy Lopez: Closed, Anti-Marshall | |
| May 28, 2026 | Diachek | ½–½ | Jasiulewicz | DMPJ - I Liga 2026 | English Opening: Symmetrical Variation, Three Knights Variation | |
| May 26, 2026 | Diachek | 1–0 | Maj | DMPJ - I Liga 2026 | Sicilian Defense: Taimanov Variation | |
| May 25, 2026 | Etut | 0–1 | Diachek | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| May 24, 2026 | Diachek | 1–0 | Ptaszynski | DMPJ - I Liga 2026 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| May 21, 2026 | Rajlich | ½–½ | Diachek | DMPJ - I Liga 2026 | Sicilian Defense: Kalashnikov Variation | |
| May 21, 2026 | Kraczek | ½–½ | Diachek | DMPJ - I Liga 2026 | Van Geet Opening: Napoleon Attack | |
| May 21, 2026 | Diachek | ½–½ | Stachowiak | DMPJ - I Liga 2026 | Caro-Kann Defense: Two Knights Attack | |
| May 21, 2026 | Grech | 0–1 | Diachek | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Nimzo-Indian Defense: Kmoch Variation | |
| Apr 16, 2026 | Tulchynskyi | 1–0 | Diachek | EICC 2026 | Ruy Lopez: Closed, Anti-Marshall | |
| Apr 15, 2026 | Diachek | 1–0 | Pietruszewski | EIIC 2026 | English Opening: Romanishin Gambit | |
| Apr 14, 2026 | Zareba | ½–½ | Diachek | EIIC 2026 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Apr 13, 2026 | Diachek | ½–½ | Walaszczyk | EIIC 2026 | English Opening: Neo-Catalan | |
| Apr 12, 2026 | Hury | ½–½ | Diachek | EIIC 2026 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Apr 10, 2026 | Diachek | 0–1 | Sipila | EICC 2026 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Apr 9, 2026 | Tarhan | ½–½ | Diachek | EICC 2026 | King's Indian Attack: Keres Variation | |
| Apr 8, 2026 | Diachek | ½–½ | Druska | EICC 2026 | English Opening: Agincourt Defense | |
| Apr 7, 2026 | Guzik | 0–1 | Diachek | EICC 2026 | Nimzo-Indian Defense: Leningrad Variation | |
| Feb 18, 2026 | Diachek | 0–1 | Deuer | Round 7: Diachek, Andrii - Deuer, Marius | Caro-Kann Defense: Exchange Variation | |
| Feb 17, 2026 | Balint | ½–½ | Diachek | Round 6: Balint, Peter - Diachek, Andrii | King's Indian Attack: Yugoslav Variation | |
| Feb 17, 2026 | Diachek | ½–½ | Czernek | Round 5: Diachek, Andrii - Czernek, Tymon | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Feb 15, 2026 | Socko | 1–0 | Diachek | Round 2: Socko, Bartosz - Diachek, Andrii | Catalan Opening | |
| Feb 8, 2026 | Kutsanyan | ½–½ | Diachek | Round 7: Kutsanyan, Andranik - Diachek, Andrii | Sicilian Defense: Snyder Variation | |
| Feb 8, 2026 | Diachek | 1–0 | Kovacs | Round 6: Diachek, Andrii - Kovacs, Kristof | English Opening: King's English Variation, Three Knights System | |
| Feb 7, 2026 | Sertbay | ½–½ | Diachek | Round 5: Sertbay, Huseyin - Diachek, Andrii | Nimzo-Indian Defense: Classical Variation | |
| Feb 7, 2026 | Diachek | 1–0 | Wolak | Round 4: Diachek, Andrii - Wolak, Maciej | Ruy Lopez: Morphy Defense | |
| Feb 6, 2026 | Onodi | ½–½ | Diachek | Round 3: Onodi, Miklos - Diachek, Andrii | Rapport-Jobava System | |
| Feb 6, 2026 | Diachek | ½–½ | Biro | Round 2: Diachek, Andrii - Biro, Beata | Réti Opening: Anglo-Slav Variation, Gurevich System | |
| Feb 5, 2026 | Borsavolgyi | 0–1 | Diachek | Round 1: Borsavolgyi, Tamas - Diachek, Andrii | Bird Opening: Dutch Variation | |
| Jul 27, 2025 | Diachek | ½–½ | Krol | A | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Jul 26, 2025 | Ratajczak | 0–1 | Diachek | A | Zukertort Opening | |
| Jul 25, 2025 | Diachek | 0–1 | Sengupta | A | French Defense: Exchange Variation | |
| Jul 24, 2025 | Neuhoff | 0–1 | Diachek | A | King's Indian Attack: Yugoslav Variation | |
| Jul 23, 2025 | Diachek | ½–½ | Zareba | A | English Opening: King's English Variation, Two Knights Variation, Keres Variation | |
| Jul 22, 2025 | Perets | 0–1 | Diachek | A | Ruy Lopez: Morphy Defense, Tarrasch Variation | |
| Jul 21, 2025 | Diachek | ½–½ | Hury | A | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 20, 2025 | Kaliszuk | ½–½ | Diachek | A | English Opening: Symmetrical Variation | |
| Jul 19, 2025 | Diachek | ½–½ | Kaminska | A | Ruy Lopez: Closed, Anti-Marshall | |
| Jun 22, 2025 | Rutkowski | 0–1 | Diachek | DMPJ 1 liga 2025 | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jun 21, 2025 | Diachek | 1–0 | Staniczek | DMPJ 1 liga 2025 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jun 20, 2025 | Mrozowski | 0–1 | Diachek | DMPJ 1 liga 2025 | Sicilian Defense: Kalashnikov Variation | |
| Jun 19, 2025 | Diachek | 1–0 | Witczak | DMPJ 1 liga 2025 | Sicilian Defense: Moscow Variation | |
| Jun 18, 2025 | Diachek | 0–1 | Pekala | DMPJ 1 liga 2025 | Nimzo-Indian Defense: Classical Variation | |
| Jun 17, 2025 | Rozanski | 1–0 | Diachek | DMPJ 1 liga 2025 | English Opening: King's English Variation, Taimanov Variation | |
| Jun 16, 2025 | Dziuba | 0–1 | Diachek | DMPJ 1 liga 2025 | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 | |
| Jun 15, 2025 | Diachek | 1–0 | Markowski | DMPJ 1 liga 2025 | English Opening: King's English Variation, Three Knights System | |
| Jun 14, 2025 | Sakharchuk | 0–1 | Diachek | DMPJ 1 liga 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 1, 2025 | Diachek | 1–0 | Biro | Zalakaros2025 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| May 31, 2025 | Ostovic | 1–0 | Diachek | Zalakaros2025 | Queen's Gambit Declined | |
| May 30, 2025 | Varadi | ½–½ | Diachek | Zalakaros2025 | Sicilian Defense: Kalashnikov Variation | |