| Oct 4, 2025 | Stachecki | 0–1 | Wojdak | MP-rapid25 | Sicilian Defense: Taimanov Variation, Szén Variation | |
| Oct 4, 2025 | Madej | 1–0 | Stachecki | MP-rapid25 | Sicilian Defense: Closed, Chameleon Variation | |
| Aug 25, 2024 | Stachecki | ½–½ | Perucki | rubinstein24-a1 | Sicilian Defense: Lasker-Pelikan Variation | |
| Aug 24, 2024 | Pieczulis | ½–½ | Stachecki | rubinstein24-a1 | Indian Defense: Anti-Nimzo-Indian | |
| Aug 23, 2024 | Stachecki | ½–½ | Napieralski | rubinstein24-a1 | French Defense: Advance Variation, Lputian Variation | |
| Aug 22, 2024 | Matela | ½–½ | Stachecki | rubinstein24-a1 | Sicilian Defense: Closed | |
| Aug 20, 2024 | Sliwerski | 1–0 | Stachecki | rubinstein24-a1 | Nimzo-Indian Defense: Kmoch Variation | |
| Aug 19, 2024 | Stachecki | 0–1 | Szymkiewicz | rubinstein24-a1 | Sicilian Defense: Najdorf Variation, English Attack, Anti-English | |
| Aug 18, 2024 | Kiss | ½–½ | Stachecki | rubinstein24-a1 | Queen's Gambit Declined: Harrwitz Attack, Main Line | |
| Aug 17, 2024 | Stachecki | ½–½ | Trzebinski | rubinstein24-a1 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 1, 2023 | Stachecki | 0–1 | Meers | Festival Bydgoszcz ELO > 2000 | Caro-Kann Defense: Exchange Variation | |
| Jul 1, 2023 | Stachecki | 0–1 | Niharika Ch | Festival Bydgoszcz ELO > 2000 | Sicilian Defense: Najdorf Variation | |
| Jun 29, 2023 | Mulawa | 1–0 | Stachecki | Festival Bydgoszcz ELO > 2000 | Catalan Opening: Open Defense, Classical Line | |
| Jun 28, 2023 | Stachecki | ½–½ | Karut | Festival Bydgoszcz ELO > 2000 | Ruy Lopez: Closed, Anti-Marshall | |
| Jun 26, 2023 | Goraj | 1–0 | Stachecki | Festival Bydgoszcz ELO > 2000 | Nimzo-Indian Defense: Classical Variation | |
| Jun 25, 2023 | Stachecki | 0–1 | Wikar | Festival Bydgoszcz ELO > 2000 | Sicilian Defense: Najdorf Variation | |
| Jun 24, 2023 | Czernek | 1–0 | Stachecki | Festival Bydgoszcz ELO > 2000 | Sicilian Defense: Richter-Rauzer Variation | |
| Jun 22, 2023 | Stachecki | 1–0 | Bajer | DMP II Liga Mecz 1 | Alekhine Defense: Exchange Variation | |
| Jun 21, 2023 | Stachecki | ½–½ | Bednarczyk | DMP II Liga Mecz 1 | Sicilian Defense: Classical Variation | |
| Jun 19, 2023 | Stepinski | 0–1 | Stachecki | DMP II Liga Mecz 1 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 18, 2023 | Haluja | ½–½ | Stachecki | DMP II Liga Mecz 1 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jun 15, 2023 | Stachecki | 1–0 | Czak | DMP II Liga Mecz 1 | ? | |
| Nov 21, 2021 | Stachecki | 1–0 | Zielinski | Polfinal MPJ C17 | Italian Game: Giuoco Piano | |
| Nov 20, 2021 | Haliniak | 1–0 | Stachecki | Polfinal MPJ C17 | Sicilian Defense: Prins Variation | |
| Nov 19, 2021 | Stachecki | 1–0 | Lenart | Polfinal MPJ C17 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Nov 18, 2021 | Stachecki | 0–1 | Ullrich | Polfinal MPJ C17 | Caro-Kann Defense: Exchange Variation | |
| Nov 18, 2021 | Wojciechowski | 0–1 | Stachecki | Polfinal MPJ C17 | Queen's Pawn Game: Accelerated London System | |
| Nov 17, 2021 | Labedz | ½–½ | Stachecki | Polfinal MPJ C17 | Sicilian Defense: Velimirovic Attack | |
| Nov 16, 2021 | Stachecki | ½–½ | Owoc | Polfinal MPJ C17 | Caro-Kann Defense: Exchange Variation | |
| Nov 16, 2021 | Pieczulis | ½–½ | Stachecki | Polfinal MPJ C17 | Sicilian Defense: Moscow Variation | |
| Nov 15, 2021 | Stachecki | 1–0 | Werner | Polfinal MPJ C17 | Sicilian Defense: Najdorf Variation, English Attack | |
| Aug 21, 2021 | Hetzer | ½–½ | Stachecki | OPEN A | Queen's Pawn Game: Colle System | |
| Aug 19, 2021 | Bojczewski | 0–1 | Stachecki | OPEN A | Sicilian Defense: Classical Variation | |
| Aug 17, 2021 | Vanduyfhuys | 1–0 | Stachecki | OPEN A | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Aug 16, 2021 | Stachecki | 0–1 | Giacomini | OPEN A | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Aug 15, 2021 | Marczuk | 1–0 | Stachecki | OPEN A | Rapport-Jobava System | |
| Aug 14, 2021 | Stachecki | 1–0 | Szyszylo | OPEN A | Modern Defense: Standard Defense | |
| Jul 18, 2021 | Chrzaszcz | 0–1 | Stachecki | Warsaw Najdorf Festival | ? | |
