| Jun 21, 2026 | Crihana | 0–1 | Loeffler | CN Rapidas 2025-26 | Sicilian Defense: Bowdler Attack | |
| Jun 21, 2026 | Loeffler | 1–0 | Silva | CN Rapidas 2025-26 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jun 21, 2026 | Barria | 1–0 | Loeffler | CN Rapidas 2025-26 | Rapport-Jobava System | |
| Apr 5, 2026 | Loeffler | 1–0 | Shi | Round 7: Loeffler, Stefan - Shi, Kecheng | ? | |
| Apr 5, 2026 | Kosteniuk | 1–0 | Loeffler | Round 6: Kosteniuk, Alexandra - Loeffler, Stefan | ? | |
| Apr 4, 2026 | Loeffler | 1–0 | Baur | Round 5: Loeffler, Stefan - Baur, Frank | ? | |
| Apr 4, 2026 | Philipp | ½–½ | Loeffler | Round 4: Philipp, Mathias - Loeffler, Stefan | ? | |
| Nov 2, 2025 | Krzywda | 1–0 | Loeffler | Round 9: Krzywda, Andrzej - Loeffler, Stefan | French Defense: Advance Variation, Wade Variation | |
| Nov 1, 2025 | Loeffler | 0–1 | Povshednyi | Round 8: Loeffler, Stefan - Povshednyi, Ivan | Caro-Kann Defense: Exchange Variation | |
| Oct 31, 2025 | Garcia Romero | ½–½ | Loeffler | Round 7: Garcia Romero, Benjamin Abel - Loeffler, Stefan | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Oct 30, 2025 | Loeffler | ½–½ | Ryabukhin | Round 6: Loeffler, Stefan - Ryabukhin, Roman | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Oct 29, 2025 | Kocharin | ½–½ | Loeffler | Round 4: Kocharin, Timur - Loeffler, Stefan | Petrov's Defense: Modern Attack, Murrey Variation | |
| Oct 28, 2025 | Loeffler | 0–1 | Sousa | Round 3: Loeffler, Stefan - Sousa, Andre Ventura | English Opening: Romanishin Gambit | |
| Oct 28, 2025 | Coles | ½–½ | Loeffler | Round 2: Coles, Ruben - Loeffler, Stefan | Sicilian Defense: Taimanov Variation | |
| Oct 27, 2025 | Loeffler | ½–½ | Larkin | Round 1: Loeffler, Stefan - Larkin, Vladyslav | Catalan Opening: Closed | |
| Oct 23, 2025 | Loeffler | 1–0 | Santos | Round 5: Loeffler, Stefan - Santos, Antonio P | Queen's Pawn Game: Zukertort Variation | |
| Apr 21, 2025 | Loeffler | 0–1 | Kumala | Freestyle Chess Open A | ? | |
| Apr 21, 2025 | Sonis | 1–0 | Loeffler | Freestyle Chess Open A | ? | |
| Apr 20, 2025 | Loeffler | 1–0 | Casagrande | Freestyle Chess Open A | ? | |
| Apr 20, 2025 | Szalay-Ocsak | ½–½ | Loeffler | Freestyle Chess Open A | ? | |
| Apr 19, 2025 | Loeffler | 1–0 | Sliwicki | Freestyle Chess Open A | ? | |
| Apr 19, 2025 | Robson | 1–0 | Loeffler | Freestyle Chess Open A | ? | |
| Apr 18, 2025 | Loeffler | 1–0 | Dieterle | Round 3: Loeffler, Stefan - Dieterle, Patrik | ? | |
| Apr 18, 2025 | Tabatabaei | 1–0 | Loeffler | Round 2: Tabatabaei, M. Amin - Loeffler, Stefan | ? | |
| Jul 21, 2024 | Pereira | 0–1 | Loeffler | 1 Divisao | Caro-Kann Defense: Exchange Variation | |
| Jul 20, 2024 | Loeffler | ½–½ | Vasques | 1 Divisao | Slav Defense: Modern Line | |
| Jul 20, 2024 | Loeffler | 1–0 | Guerreiro | 1 Divisao | Queen's Pawn Game: Chigorin Variation | |
| Jul 19, 2024 | Del Prado Rodriguez | 0–1 | Loeffler | 1 Divisao | Scandinavian Defense: Modern Variation, Gipslis Variation | |
| Jul 18, 2024 | Loeffler | 0–1 | Fedorchuk | 1 Divisao | Bogo-Indian Defense: Retreat Variation | |
| Jul 17, 2024 | Loeffler | 1–0 | Sousa | 1 Divisao | Neo-Grünfeld Defense: Goglidze Attack | |
| Jul 17, 2024 | Martin Carmona | ½–½ | Loeffler | 1 Divisao | Caro-Kann Defense: Modern Variation | |
| Jul 16, 2024 | Vassallo Barroche | ½–½ | Loeffler | 1 Divisao | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jul 15, 2024 | Loeffler | 0–1 | Fier | 1 Divisao | Indian Defense: Knights Variation | |
| Apr 9, 2024 | Derraugh | 1–0 | Loeffler | Round 8: Derraugh, Geordie - Loeffler, Stefan | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 9, 2024 | Loeffler | 0–1 | Tari | Round 7: Loeffler, Stefan - Tari, Aryan | Queen's Gambit Declined: Traditional Variation | |
| Apr 9, 2024 | Gluhovsky | 0–1 | Loeffler | Round 6: Gluhovsky, Mark - Loeffler, Stefan | Caro-Kann Defense: Endgame Offer | |
| Apr 9, 2024 | Loeffler | 1–0 | Abrahams | Round 5: Loeffler, Stefan - Abrahams, Daniel | Sicilian Defense: Kramnik Variation | |
| Apr 9, 2024 | Loeffler | 0–1 | Bareev | Round 3: Loeffler, Stefan - Bareev, Evgeny | Trompowsky Attack | |
| Jul 21, 2022 | Margarido | 1–0 | Loeffler | Portuguese League | King's Pawn Game | |
| Jul 20, 2022 | Loeffler | 1–0 | Fernandes | Portuguese League | King's Indian Attack: Sicilian Variation | |
| Jul 19, 2022 | Loeffler | 0–1 | Cuenca Jimenez | Portuguese League | ? | |
| Jul 19, 2022 | Pintor | 0–1 | Loeffler | Portuguese League | Scandinavian Defense: Modern Variation, Gipslis Variation | |
| Jul 18, 2022 | Adell Corts | 0–1 | Loeffler | Portuguese League | Alekhine Defense: Four Pawns Attack, Fianchetto Variation | |
| Jul 17, 2022 | Loeffler | 1–0 | Fidalgo | Portuguese League | Grünfeld Defense: Stockholm Variation | |
| Jul 17, 2022 | Vassallo Barroche | 1–0 | Loeffler | Portuguese League | ? | |
| Jul 16, 2022 | Loeffler | 0–1 | Martinez Duany | Portuguese League | Old Indian Defense: Normal Variation | |
| Nov 7, 2021 | Junior | ½–½ | Loeffler | Figueira 2021 | Sicilian Defense: Old Sicilian | |
| Nov 6, 2021 | Loeffler | 0–1 | Vassallo Barroche | Figueira 2021 | Indian Defense: Anti-Grünfeld, Alekhine Variation | |
| Nov 5, 2021 | Loeffler | 0–1 | Martin Duque | Figueira 2021 | Queen's Indian Defense: Kasparov Variation | |
| Nov 4, 2021 | Kulon | ½–½ | Loeffler | Figueira 2021 | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Nov 3, 2021 | Del Prado Rodriguez | 0–1 | Loeffler | Figueira 2021 | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Nov 2, 2021 | Loeffler | ½–½ | Senlle Caride | Figueira 2021 | Queen's Gambit Declined: Traditional Variation | |
| Nov 1, 2021 | Loeffler | ½–½ | Del Rio De Angelis | Figueira 2021 | Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line | |
| Nov 1, 2021 | Vasquez Schroeder | 0–1 | Loeffler | Figueira 2021 | Grünfeld Defense: Three Knights Variation, Hungarian Variation | |