| Jun 30, 2026 | Gorka | 1–0 | Pfaltz | Najdorf Memorial | Sicilian Defense: Najdorf Variation | |
| Jun 29, 2026 | Pfaltz | 0–1 | Debmisra | Najdorf Memorial | Bishop's Opening: Vienna Hybrid | |
| Jun 28, 2026 | Zalega | 1–0 | Pfaltz | Najdorf Memorial | King's Indian Defense: Normal Variation, Standard Development | |
| Jun 27, 2026 | Cwiek | 1–0 | Pfaltz | Najdorf Memorial | King's Indian Attack: Symmetrical Defense | |
| May 25, 2026 | Pfaltz | 1–0 | Gireada | Swiss Youth Championship 2026 U16 | Sicilian Defense: Najdorf Variation | |
| May 24, 2026 | Pfaltz | 0–1 | Jordan | Swiss Youth Championship 2026 U16 | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| May 24, 2026 | Pellegrini | 1–0 | Pfaltz | Swiss Youth Championship 2026 U16 | Four Knights Game: Scotch Variation, Krause Gambit | |
| May 23, 2026 | Pfaltz | 1–0 | Pinelli | Swiss Youth Championship 2026 U16 | Caro-Kann Defense: Exchange Variation | |
| May 23, 2026 | Angelovski | 1–0 | Pfaltz | Swiss Youth Championship 2026 U16 | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| May 22, 2026 | Pfaltz | ½–½ | Koehalmi-Szabo | Swiss Youth Championship 2026 U16 | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 | |
| May 22, 2026 | Bernal Santos | 0–1 | Pfaltz | Swiss Youth Championship 2026 U16 | Sicilian Defense: Closed | |
| May 14, 2026 | Gautier | 1–0 | Pfaltz | Round 2: Gautier, Anand - Pfaltz, Maximilian | Sicilian Defense: Najdorf Variation | |
| Mar 22, 2026 | Breyer | ½–½ | Pfaltz | Reti Amateur Open | Ruy Lopez: Closed, Delayed Exchange | |
| Mar 22, 2026 | Pfaltz | 1–0 | Bednarczuk | Reti Amateur Open | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| Mar 22, 2026 | Jordan | ½–½ | Pfaltz | Reti Amateur Open | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Mar 22, 2026 | Pfaltz | 1–0 | Martelli | Reti Amateur Open | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 22, 2026 | Sijbring | 0–1 | Pfaltz | Reti Amateur Open | ? | |
| Oct 19, 2025 | Stehno | 1–0 | Pfaltz | Round 1: Stehno, Pavel - Pfaltz, Maximilian | Sicilian Defense: Modern Variations | |
| Jun 9, 2025 | Shevchenko | 0–1 | Pfaltz | Swiss Youtch Chess Championship 2025 U14 | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jun 8, 2025 | Pfaltz | ½–½ | Seah | Swiss Youtch Chess Championship 2025 U14 | King's Indian Defense: Fianchetto Variation, Delayed Fianchetto | |
| Jun 8, 2025 | Federer | 1–0 | Pfaltz | Swiss Youtch Chess Championship 2025 U14 | Indian Defense: King's Indian Variation, Fianchetto Variation | |
| Jun 7, 2025 | Madhavan | 0–1 | Pfaltz | Swiss Youtch Chess Championship 2025 U14 | London System | |
| Jun 6, 2025 | Pfaltz | 1–0 | Piacquadio | Swiss Youtch Chess Championship 2025 U14 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Jun 6, 2025 | Domschke | 0–1 | Pfaltz | Swiss Youtch Chess Championship 2025 U14 | Rapport-Jobava System | |
| Jun 1, 2025 | Pfaltz | ½–½ | Szakolczai | Round 7: Pfaltz, Maximilian - Szakolczai, Peter | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 | |
| May 31, 2025 | Gemelli | 1–0 | Pfaltz | Round 5: Gemelli,Romain - Pfaltz, Maximilian | King's Indian Attack: Symmetrical Defense | |
| May 29, 2025 | Pfaltz | 0–1 | Schellenberg | Round 2: Pfaltz, Maximilian - Schellenberg, Simon | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 19, 2025 | Pfaltz | 0–1 | Saminskij | Swiss Youtch Chess Championship 2025 U14 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Oct 13, 2024 | Pfaltz | 1–0 | Schneider | 46th International Chess Open Citta di Arco - A | King's Pawn Game | |
| Oct 12, 2024 | Efpraxiadis | 0–1 | Pfaltz | 46th International Chess Open Citta di Arco - A | Rapport-Jobava System | |
| Oct 11, 2024 | Pfaltz | 0–1 | Borgo | 46th International Chess Open Citta di Arco - A | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Oct 10, 2024 | Ghannoum | 1–0 | Pfaltz | 46th International Chess Open Citta di Arco - A | Sicilian Defense: Closed | |
| Oct 9, 2024 | Profumo | 0–1 | Pfaltz | 46th International Chess Open Citta di Arco - A | King's Indian Defense: Exchange Variation | |
| Oct 8, 2024 | Pfaltz | 1–0 | Trumpp | 46th International Chess Open Citta di Arco - A | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 6, 2024 | Kosem | 0–1 | Pfaltz | 46th International Chess Open Citta di Arco - A | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Oct 5, 2024 | Kern | 1–0 | Pfaltz | 46th International Chess Open Citta di Arco - A | Zukertort Opening | |
| Jul 18, 2024 | Curien | 1–0 | Pfaltz | Round 6: Curien, Nicolas - Pfaltz, Maximilian | Trompowsky Attack | |
| Jul 17, 2024 | Pfaltz | ½–½ | Bischofberger | Round 5: Pfaltz, Maximilian - Bischofberger, Dario | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Jul 14, 2024 | Gschnitzer | 1–0 | Pfaltz | Schweizer Einzelmeisterschaft 24 Masters | Sicilian Defense: Moscow Variation | |
| Jul 13, 2024 | Pfaltz | * | Wespi | Round 1: Pfaltz, Maximilian - Wespi, Andre | ? | |
| May 20, 2024 | Ingielewicz | 0–1 | Pfaltz | Schweizer Jugend Einzelmeisterschaft 2024 | King's Indian Defense: Averbakh Variation, Modern Defense, Burgess Line | |
| May 19, 2024 | Pfaltz | ½–½ | Begdullayev | Schweizer Jugend Einzelmeisterschaft 2024 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| May 19, 2024 | Federer | 1–0 | Pfaltz | Schweizer Jugend Einzelmeisterschaft 2024 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| May 18, 2024 | Pfaltz | 0–1 | Koehalmi-Szabo | Schweizer Jugend Einzelmeisterschaft 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line | |
| May 18, 2024 | Kanana | 1–0 | Pfaltz | Schweizer Jugend Einzelmeisterschaft 2024 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| May 17, 2024 | Pfaltz | 1–0 | Akinkhov | Schweizer Jugend Einzelmeisterschaft 2024 | Petrov's Defense: Nimzowitsch Attack | |
| May 17, 2024 | Kostov | 0–1 | Pfaltz | Schweizer Jugend Einzelmeisterschaft 2024 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| May 10, 2024 | Baenziger | 1–0 | Pfaltz | Bundesturnier | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Aug 10, 2024 | Pfaltz | 0–1 | Buksa | Round 1: Pfaltz, Maximilian - Buksa, Nataliya | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| Oct 18, 2023 | Pfaltz | 0–1 | Dau | WCC 2023 - Open U12 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| May 29, 2023 | Sutter | ½–½ | Pfaltz | Schweizer Jugend Einzelmeisterschaft 2023 U12 | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| May 28, 2023 | Pfaltz | ½–½ | Federer | Schweizer Jugend Einzelmeisterschaft 2023 U12 | Sicilian Defense: Najdorf Variation | |
| May 28, 2023 | Aeschbacher | ½–½ | Pfaltz | Schweizer Jugend Einzelmeisterschaft 2023 U12 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| May 27, 2023 | Pfaltz | 1–0 | Domschke | Schweizer Jugend Einzelmeisterschaft 2023 U12 | Sicilian Defense: Najdorf Variation | |
| May 27, 2023 | Koehalmi-Szabo | 0–1 | Pfaltz | Schweizer Jugend Einzelmeisterschaft 2023 U12 | Sicilian Defense: Chekhover Variation | |
| May 26, 2023 | Pfaltz | 0–1 | Ingielewicz | Schweizer Jugend Einzelmeisterschaft 2023 U12 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| May 26, 2023 | Pinelli | 0–1 | Pfaltz | Schweizer Jugend Einzelmeisterschaft 2023 U12 | King's Indian Defense: Averbakh Variation, Modern Defense, Burgess Line | |
| Oct 22, 2022 | Pfaltz | * | Baisynov | World Amateur CC U2000 | ? | |