| — | Goldbeck | 1–0 | Schimnatkowski | Grenke Open | Benoni Defense: Benoni-Indian Defense, Kingside Move Order | |
| Apr 6, 2026 | Schimnatkowski | 0–1 | Kamalidenova | Round 8: Schimnatkowski, Lukas - Kamalidenova, Meruert | ? | |
| Apr 5, 2026 | Muzychuk | 1–0 | Schimnatkowski | Round 7: Muzychuk, Mariya - Schimnatkowski, Lukas | ? | |
| Apr 5, 2026 | Schimnatkowski | 1–0 | Khotenashvili | Round 6: Schimnatkowski, Lukas - Khotenashvili, Bella | ? | |
| Apr 3, 2026 | Shukhman | 1–0 | Schimnatkowski | Round 3: Shukhman, Anna - Schimnatkowski, Lukas | ? | |
| Apr 3, 2026 | Dominguez Perez | 1–0 | Schimnatkowski | Round 1: Dominguez Perez, Leinier - Schimnatkowski, Lukas | ? | |
| Jul 25, 2025 | Donchenko | 1–0 | Schimnatkowski | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament, part of the ACP world series | English Opening: Symmetrical Variation, Three Knights Variation | |
| Jul 24, 2025 | Chen | 1–0 | Schimnatkowski | Biel Chess Festival 2025 MTO | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| Jul 23, 2025 | Schimnatkowski | 1–0 | Gut | Biel Chess Festival 2025 MTO | Sicilian Defense: Dragon Variation, Fianchetto Variation | |
| Jul 22, 2025 | Hu | 0–1 | Schimnatkowski | Biel Chess Festival 2025 MTO | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 21, 2025 | Schimnatkowski | 0–1 | Chen | Biel Chess Festival 2025 MTO | Sicilian Defense: French Variation | |
| Jul 19, 2025 | Panchanathan | 1–0 | Schimnatkowski | Biel Chess Festival 2025 MTO | English Opening: Symmetrical Variation, Mecking Variation | |
| Jul 18, 2025 | Schimnatkowski | 1–0 | Tahay | Biel Chess Festival 2025 MTO | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Jul 17, 2025 | Latorre | ½–½ | Schimnatkowski | Biel Chess Festival 2025 MTO | Sicilian Defense: Dragon Variation | |
| Jul 16, 2025 | Schimnatkowski | 1–0 | Talwalkar | Biel Chess Festival 2025 MTO | Sicilian Defense: Closed, Traditional | |
| Jul 15, 2025 | Adewumi | 1–0 | Schimnatkowski | Biel Chess Festival 2025 MTO | King's Indian Defense: Semi-Averbakh System | |
| Jul 14, 2025 | Schimnatkowski | 1–0 | Jordan | Biel Chess Festival 2025 MTO | Caro-Kann Defense: Tartakower Variation | |
| Apr 21, 2025 | Bournel | 1–0 | Schimnatkowski | Freestyle Chess Open A | ? | |
| Apr 20, 2025 | Ruiz Buendia | ½–½ | Schimnatkowski | Freestyle Chess Open A | ? | |
| Apr 19, 2025 | Reuker | 1–0 | Schimnatkowski | Freestyle Chess Open A | ? | |
| Apr 18, 2025 | Postlmayer | 1–0 | Schimnatkowski | Round 3: Postlmayer, Jakob - Schimnatkowski, Lukas | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jan 3, 2025 | Patel | * | Schimnatkowski | 98th Caplin Hastings Masters 2024 | ? | |
| Jan 2, 2025 | Schimnatkowski | 0–1 | Rida | 98th Caplin Hastings Masters 2024 | Four Knights Game: Spanish Variation, Double Spanish | |
| Jan 1, 2025 | Zhang | 0–1 | Schimnatkowski | 98th Caplin Hastings Masters 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations | |
| Dec 31, 2024 | Schimnatkowski | 0–1 | Adams | 98th Caplin Hastings Masters 2024 | English Opening: Agincourt Defense, Tarrasch Defense | |
| Dec 31, 2024 | Kim | ½–½ | Schimnatkowski | 98th Caplin Hastings Masters 2024 | Sicilian Defense: Moscow Variation | |
| Dec 30, 2024 | Zhou | 1–0 | Schimnatkowski | 98th Caplin Hastings Masters 2024 | Italian Game: Giuoco Pianissimo, Normal | |
| Dec 29, 2024 | Schimnatkowski | 1–0 | Gorainow | 98th Caplin Hastings Masters 2024 | Sicilian Defense: Closed | |
| Dec 29, 2024 | Malinovskii | 0–1 | Schimnatkowski | 98th Caplin Hastings Masters 2024 | Bishop's Opening: Vienna Hybrid | |
| Dec 28, 2024 | Schimnatkowski | 0–1 | Laurent-Paoli | 98th Caplin Hastings Masters 2024 | Sicilian Defense: Grand Prix Attack | |
| Mar 31, 2024 | Schimnatkowski | * | Sidletskyi | new tournament description | ? | |
| Mar 31, 2024 | Ciolek | 0–1 | Schimnatkowski | Grenke Open | Nimzo-Indian Defense: Classical Variation | |
| Mar 30, 2024 | Bassini | 1–0 | Schimnatkowski | Grenke Open | Sicilian Defense: French Variation | |
| Feb 13, 2024 | Lukas Schimnatkowski | 1–0 | Pal Suranyi | Baden-Baden Faschingsopen 2024 | Sicilian Defense: Closed | |
| Feb 12, 2024 | Lukas Schimnatkowski | 0–1 | Keller | Baden-Baden Faschingsopen 2024 | Italian Game: Classical Variation, Greco Gambit | |
| Feb 12, 2024 | Gluma | ½–½ | Lukas Schimnatkowski | Baden-Baden Faschingsopen 2024 | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Feb 12, 2024 | Michael Kuraszkiewicz | ½–½ | Lukas Schimnatkowski | Baden-Baden Faschingsopen 2024 | Catalan Opening: Open Defense, Classical Line | |
| Jun 17, 2023 | Schimnatkowski | 0–1 | Jinan | Teplice 2023 | Italian Game: Scotch Gambit, Anderssen Attack | |
| Jun 14, 2023 | Trost | 1–0 | Schimnatkowski | Teplice 2023 | Rapport-Jobava System | |
| Jun 11, 2023 | Schimnatkowski | 0–1 | Kantor | Teplice 2023 | Scotch Game: Göring Gambit, Main Line | |
| Jan 6, 2023 | Schimnatkowski | ½–½ | Rolvag | Caplin Hastings Masters 2022 | French Defense: Tarrasch Variation, Open System | |
| Jan 5, 2023 | Davies | 1–0 | Schimnatkowski | Caplin Hastings Masters 2022 | Torre Attack: Fianchetto Defense | |
| Jan 4, 2023 | Schimnatkowski | 0–1 | Hebden | Caplin Hastings Masters 2022 | Scotch Game: Scotch Gambit, Advance Variation | |
| Jan 3, 2023 | Golding | 0–1 | Schimnatkowski | Caplin Hastings Masters | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Jan 2, 2023 | Schimnatkowski | ½–½ | Lalic | Caplin Hastings Masters 2022 | Sicilian Defense: Closed, Traditional | |
| Jan 1, 2023 | Arnott | 0–1 | Schimnatkowski | Caplin Hastings Masters 2022 | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Dec 31, 2022 | Schimnatkowski | 1–0 | Waldhausen Gordon | Caplin Hastings Masters 2022 | Sicilian Defense: Closed | |
| Dec 30, 2022 | Gormally | 1–0 | Schimnatkowski | Caplin Hastings Masters 2022 | French Defense: Advance Variation | |
| Dec 29, 2022 | Schimnatkowski | ½–½ | Petrov | Caplin Hastings Masters 2022 | Sicilian Defense: Closed, Traditional | |
| Dec 28, 2022 | Howell | * | Schimnatkowski | Caplin Hastings Masters 2022 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Aug 12, 2022 | Schimnatkowski | 0–1 | Nemeth | Letni Praha 2022 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 9, 2022 | Brylski | ½–½ | Schimnatkowski | Letni Praha 2022 | Sicilian Defense: Dragon Variation, Levenfish Variation | |
| Jul 24, 2022 | Bleecke | 1–0 | Schimnatkowski | open | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jul 22, 2022 | Schmider | * | Schimnatkowski | open | ? | |
| Jul 21, 2022 | Schimnatkowski | * | Bungarten | open | ? | |
| Jul 19, 2022 | Schimnatkowski | * | Ngo | open | ? | |
| Jul 17, 2022 | Schimnatkowski | 0–1 | Meins | open | Sicilian Defense: Closed, Traditional | |
| Jun 19, 2022 | Kraus | * | Schimnatkowski | Teplice 2022 Ɩ 18. - 26.06.2022 Ɩ Start 3 pm. Ɩ Teplice Chess Club | Sicilian Defense: Moscow Variation | |
| Jun 11, 2022 | Schimnatkowski | 1–0 | Panjer | ODJM A 2022 | ? | |
| Jun 10, 2022 | Brunner | 0–1 | Schimnatkowski | ODJM A 2022 | Sicilian Defense: Closed | |
| Jun 9, 2022 | Gerlach | ½–½ | Schimnatkowski | ODJM A 2022 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jun 8, 2022 | Schimnatkowski | ½–½ | Kruse | ODJM A 2022 | Caro-Kann Defense: Classical Variation, Main Line | |
| Jun 8, 2022 | Schimnatkowski | 1–0 | Sabirov | ODJM A 2022 | Sicilian Defense: Closed | |
| Jun 7, 2022 | Koll | ½–½ | Schimnatkowski | ODJM A 2022 | Italian Game: Giuoco Piano | |
| Jun 6, 2022 | Schimnatkowski | * | Weigand | ODJM A 2022 | Sicilian Defense: Closed, Traditional | |
| Jun 5, 2022 | Herter | * | Schimnatkowski | ODJM A 2022 | Italian Game: Deutz Gambit | |
| Jun 5, 2022 | Nied | 1–0 | Schimnatkowski | ODJM A 2022 | Sicilian Defense: Dragon Variation, Classical Variation, Grigoriev Variation | |
| Aug 22, 2021 | Schimnatkowski | * | Leisch | Innsbruck Festival | ? | |
| Aug 22, 2021 | Schimnatkowski | * | Leisch | Innsbruck Festival | ? | |