| Jun 27, 2026 | Rzap | 1–0 | Stachniak | Macieja Memorial | Semi-Slav Defense: Accelerated Meran Variation | |
| Jun 27, 2026 | Krogulski | 1–0 | Stachniak | Macieja Memorial | ? | |
| Jun 27, 2026 | Stachniak | 0–1 | Seemann | Macieja Memorial | Modern Defense: Standard Defense | |
| Jun 27, 2026 | Sanz Losada | 0–1 | Stachniak | Macieja Memorial | Semi-Slav Defense | |
| Jun 27, 2026 | Siennicki | 1–0 | Stachniak | Macieja Memorial | Queen's Pawn Game: London System | |
| Jun 27, 2026 | Stachniak | 0–1 | Sieciechowicz | Macieja Memorial | Zukertort Opening: Nimzo-Larsen Variation | |
| Jun 27, 2026 | Stachniak | 0–1 | Klimkowski | Macieja Memorial | Sicilian Defense: Najdorf Variation, Freak Attack | |
| May 29, 2026 | Stachniak | ½–½ | Marcinkowski | II DMP Juniorow 2026 | Zukertort Opening | |
| May 28, 2026 | Stachniak | ½–½ | Businski | II DMP Juniorow 2026 | French Defense: Classical Variation, Burn Variation | |
| May 27, 2026 | Stanczak | 1–0 | Stachniak | II DMP Juniorow 2026 | Four Knights Game: Glek System | |
| May 26, 2026 | Wardecki | 0–1 | Stachniak | II DMP Juniorow 2026 | Ruy Lopez: Exchange Variation | |
| May 25, 2026 | Stachniak | ½–½ | Sonibare | II DMP Juniorow 2026 | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| May 24, 2026 | Szalanski | 1–0 | Stachniak | II DMP Juniorow 2026 | Sicilian Defense: Closed | |
| May 23, 2026 | Stachniak | 1–0 | Wcislo | II DMP Juniorow 2026 | Zukertort Opening: Nimzo-Larsen Variation | |
| May 22, 2026 | Plywacz | 0–1 | Stachniak | II DMP Juniorow 2026 | Four Knights Game: Scotch Variation Accepted | |
| May 21, 2026 | Stachniak | ½–½ | Niesporek | II DMP Juniorow 2026 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Sep 20, 2025 | Rutkowski | * | Stachniak | Szansa25 | ? | |
| Sep 20, 2025 | Stachniak | * | Khyzhniak | Szansa25 | ? | |
| Sep 20, 2025 | Rabiej | * | Stachniak | Szansa25 | ? | |
| Sep 20, 2025 | Stachniak | 0–1 | Stepinski | Szansa25 | Caro-Kann Defense: Exchange Variation | |
| Sep 20, 2025 | Korys | * | Stachniak | Szansa25 | ? | |
| Sep 20, 2025 | Stachniak | * | Grzeszczyk | Szansa25 | ? | |
| Sep 20, 2025 | Gruca | ½–½ | Stachniak | Szansa25 | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Sep 20, 2025 | Stachniak | * | Wasilewicz | Szansa25 | ? | |
| Sep 22, 2024 | Stachniak | * | Renault | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Stachniak | * | Wadelek | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Stachniak | * | Penza | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Stachniak | * | Jakubowska | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Skop | * | Stachniak | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Lewandrowski | * | Stachniak | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Alvarado | * | Stachniak | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Kumik | * | Stachniak | Szansa Rapid 2024 | ? | |
| Sep 21, 2024 | Stachniak | * | Kapechun | new tournament description | ? | |
| Sep 21, 2024 | Stachniak | * | Smeryk | new tournament description | ? | |
| Sep 21, 2024 | Stankowski | * | Stachniak | new tournament description | ? | |
| Sep 21, 2024 | Rutkowski | * | Stachniak | new tournament description | ? | |
| Jul 8, 2024 | Stachniak | 0–1 | Sriram | Macieja Memorial | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Jul 8, 2024 | Stachniak | 0–1 | Zebracki | Macieja Memorial | Réti Opening | |
| Jul 8, 2024 | Stachniak | 1–0 | Adamski | Macieja Memorial | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jul 8, 2024 | Barwinska | 0–1 | Stachniak | Macieja Memorial | French Defense: King's Indian Attack | |
| Jul 8, 2024 | Smetek | 1–0 | Stachniak | Macieja Memorial | King's Indian Defense | |
| Jul 8, 2024 | Kazmierowski | 1–0 | Stachniak | Macieja Memorial | French Defense: Rubinstein Variation, Blackburne Defense | |
| Jul 8, 2024 | Staroszczyk | 0–1 | Stachniak | Macieja Memorial | Indian Defense | |
| — | Stachniak | * | Chiszko | new tournament description | ? | |
| — | Stachniak | * | Alvarado | new tournament description | ? | |
| — | Stachniak | 0–1 | Reza | Round 2: Stachniak, Stanislaw - Reza, Wojciech | ? | |
| — | Stachniak | 0–1 | Zerebiec | Round 4: Stachniak, Stanislaw - Zerebiec, Maurycy | ? | |
| — | Stachniak | ½–½ | Sliwicki | Round 6: Stachniak, Stanislaw - Sliwicki, Damian | ? | |
| — | Stachniak | 1–0 | Zeissel | Round 9: Stachniak, Stanislaw - Zeissel, Andrzej | ? | |
| — | Stachniak | ½–½ | Owczarek | Wroclaw Open B - Festiwal Szachowy Adolfa Anderssena 2025 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| — | Stachniak | 0–1 | Bury | Wroclaw Open B - Festiwal Szachowy Adolfa Anderssena 2025 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| — | Stachniak | 0–1 | Semenukha | Wroclaw Open B - Festiwal Szachowy Adolfa Anderssena 2025 | Sicilian Defense: Najdorf Variation | |
| — | Stachniak | 1–0 | Szopka | Wroclaw Open B - Festiwal Szachowy Adolfa Anderssena 2025 | Pirc Defense: Classical Variation, Schlechter Variation | |
| — | Stachniak | 1–0 | Soliwoda | Wroclaw Open B - Festiwal Szachowy Adolfa Anderssena 2025 | Van't Kruijs Opening | |
| — | Stachniak | 1–0 | Lecki | C16 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| — | Stachniak | 0–1 | Warchol | C16 | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| — | Stachniak | 1–0 | Gora | C16b | Sicilian Defense: Taimanov Variation | |
| — | Stachniak | 0–1 | Rekuc | C16b | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| — | Stachniak | 1–0 | Kania | C16b | Modern Defense: Standard Defense | |
| — | Stachniak | 0–1 | Rajlich | C16b | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| — | Przybysz | * | Stachniak | new tournament description | ? | |
| — | Bakhanovych | * | Stachniak | new tournament description | ? | |
| — | Cieslak | 1–0 | Stachniak | Szansa Rapid 2024 | King's Indian Defense: Semi-Averbakh System | |
| — | Onopriienko | 0–1 | Stachniak | Round 1: Onopriienko, Mariia - Stachniak, Stanislaw | ? | |
| — | Djuric | 0–1 | Stachniak | Round 3: Djuric, Stefan - Stachniak, Stanislaw | ? | |
| — | Wisniarek | 0–1 | Stachniak | Round 5: Wisniarek, Jakub - Stachniak, Stanislaw | ? | |
| — | Golenia | 1–0 | Stachniak | Round 7: Golenia, Jan - Stachniak, Stanislaw | ? | |
| — | Gbiorczyk | 0–1 | Stachniak | Round 8: Gbiorczyk, Mikolaj - Stachniak, Stanislaw | ? | |
| — | Hutyra | 0–1 | Stachniak | Wroclaw Open B - Festiwal Szachowy Adolfa Anderssena 2025 | English Opening: Anglo-Indian Defense | |
| — | Antczak | * | Stachniak | Wroclaw Open B - Festiwal Szachowy Adolfa Anderssena 2025 | Queen's Gambit Declined | |
| — | Karpiuk | 0–1 | Stachniak | Wroclaw Open B - Festiwal Szachowy Adolfa Anderssena 2025 | French Defense: Tarrasch Variation | |
| — | Lasok | 0–1 | Stachniak | Wroclaw Open B - Festiwal Szachowy Adolfa Anderssena 2025 | French Defense: Advance Variation, Euwe Variation | |
| — | Kraczek | ½–½ | Stachniak | C16 | ? | |
| — | Ozog | ½–½ | Stachniak | C16b | Queen's Pawn Game: Levitsky Attack | |
| — | Uhryn | 0–1 | Stachniak | C16b | French Defense: Two Knights Variation | |
| — | Kryston | 1–0 | Stachniak | C16b | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
